Order ships free when this item is included and exceeds $99. Holley vacuum secondary diaphragms will replace your existing worn-out diaphragms. Carter AFB, WFCB Secondary Diaphragm with Gasket GD380 CARBURETORS - Model 4160 Carburetor (Exploded View) 404. New New New. Step 5: Inspect Vacuum Port Gasket. Need help tuning Holley vacuum secondaries | Vintage ... Vacuum or Mechanical-Secondary Carburetor? - Hot Rod Magazine Description. Part Type: Carburetor Vacuum Secondary Covers Holley 4150 Carburetor Rebuild Kit Vacuum Secondary ... Genuine Holley QFT AED CCS 135-4 Carburetor Vacuum Secondary Diaphragm. SKU # 114113. Notice the small port with a gasket on the backside of the vacuum unit. Holley Street Avenger Carburetor 570 670 750 870 Diaphragm Spring Kit Replacement ~The Swap~ Question: How do I know if my Vacuum Secondary Spring is too light, or too heavy? I have verified the secondary's won't open. This item: Holley - 20-13 Secondary Diaphragm Spring Kit. 1 and 31/32" Length. rebuilding & modifying Holley carbs. $104.36 JEGS Vacuum Secondary Diaphragm 1/pkg Fi. Carburetor Components /. CUD4480. Secondary Diaphragm Assy - 2.288 stem length - OEM# 35R-235A. I have a 427 side oiler with two 650 Holley 4 barrels. Top positive review. . HOLLEY 3160, 4150, G, EG, 4152EG, 4160, C. Not sure if this is the right diaphragm for your Holley? Secondary Diaphragm - Trick - Rubber / Steel - Vacuum Secondary - Holley Style Carburetors - Each Vacuum Secondary Diaphragm, Rubber, Holley Carburetors, Each Vacuum Secondary Diaphragm Material: Rubber Quantity: Sold individually. Built in gasket is a plus. Holley Replacement Accelerator Pump Components for Holley Carburetors 135-4 is rated 5.0 out of 5 by 4 . Secondary Diaphragm Assy - 2.135 stem length - ref# 35R-219A. Product Features: Vacuum Secondary Diaphragm Nitrophyl Float - Holley 2210, 2211C, 2245 - 10.5g. todays video is a video on testing to see if your vacuum diaphragm on your vacuum Secondary holley carburetor is bad and how to take it apart and repair it w. This particular carb is a holley 80457S vacuum secondary aluminum main. Buy Carburetor Secondary Diaphragm - Holley - BK 7355631 online from NAPA Auto Parts Stores. The primary is an 1850 600 cfm, and the secondary is an 8007 390 cfm. When vacuum drops to a preset value, a spring in the diaphragm housing overcomes the diaphragm and pushes the secondary throttle lever to open the butterfly valves. $12.17 Quick Fuel Vacuum Secondary Diaphragms $29.13 Holley Quick Change Vacuum Secondary Hou. Alcohol Resistant. Home /. The Holley vacuum secondary diaphragm is designed to replace original equipment and will meet or exceed manufacturer's standards. 99. Holley Vacuum Secondary Diaphragms Holley vacuum secondary diaphragms will replace your existing worn-out diaphragms. Shop for Holley 135-4 Vacuum Secondary Diaphragm with confidence at AutoZone.com. There is a small rubber hose (aprox 3/16 ID) that goes from the front carb diaphragm to the rear one on the left side of the carbs. Ships from and sold by Allstate Carburetor. 5 Write a review. Always plan to replace this gasket. Estimated Ship Date: 4/11/2022 (if ordered today) Drop Ship. Please be sure to compare the measurement of the stem. Please be sure to compare the measurement of the stem. Buy online, pick up in-store in 30 minutes. Free shipping Free shipping Free shipping. The orifice in the primaries is assisted by another orifice in the secondary venturi. Vacuum Secondary Diaphragm Carburettor Numbers R1848-1 R3220 R6299-1 R8007; Rod length is 1.88″ TO THE CENTRE OF PIVOT (EYELET) Additional Information. The Holley vacuum secondary diaphragm is designed to replace original equipment and will meet or exceed manufacturer's standards. New vacuum secondary diaphram for Holley 4160 type carbs. or Best Offer +C $19.19 shipping estimate. and Mechanical Secondary version is also available at a slightly additional cost. Rated 5 out of 5 by Urbie from 135 4 Holley vac secondary I bought and received this product very quickly Kept my down time to a minimum Vacuum Secondary Parts. 135-4 135-2 135-11 Vacuum Secondary Diaphragm Carburetor Repair kit Accessories for 390-750 CFM 1841849, 1850, 3310, 6619, 6909, 8007, 9834, 80457, 80463, 80508, 80529. The opening rate of a vacuum secondary system is controlled by the diaphragm spring located in the vacuum secondary diaphragm housing. 99. Even if the spring is cut down , or you have uber vacuum at the manifold. In Stock. Description Holley Vacuum secondary diaphragm. Secondary Diaphragm - Trick - Rubber / Steel - Vacuum Secondary - Holley Style Carburetors - Each Not Yet Reviewed. Try an even heavier spring and see what happens. Make sure to pull the ball bearing and clean out the port. Availability: In Stock. Holley Carburetor Vacuum Secondary Diaphragm. Holley 1 x 4 Diaphragm Housing Cover. Holley 4160 carburetors w/ vacuum activated secondary. fit this carb., as they also do with the Autolite. Pretty straight forward piece to replace old diaphragm in spite of having to use old arm. or Best Offer. I've fitted a brand new Holley 1850 carb on my 302 engine. You can either take out the gasket between . 94 37 Vacuum Secondary Spring - 20-13 (assortment kit); pg. 135-4 135-2 135-11 Vacuum Secondary Diaphragm Carburetor Repair kit Accessories for 390-750 CFM 1841849, 1850, 3310, 6619, 6909, 8007, 9834, 80457, 80463, 80508, 80529 Estimated Ship Date: 4/11/2022 (if ordered today) Drop Ship. The diaphragm is held in place by a spring. $8.59. . Vacuum secondaries are activated by venturii velocity through the primary venturii and further aided by secondary venturii velocity. Allows changing the rate of the secondary operating ranges. They are made from a high performance rubber material and will fit most Holley carburetors with vacuum secondaries. See all 12 photos This is a vacuum secondary four-barrel Holley that can be easily identified by the large vacuum diaphragm located on the passenger side of the carb (arrow). Choke and Vacuum Secondary Components /. Air Cleaner Stud - M5X8 Thd. Part # 135-6. Today I'll be showing you guys how the vacuum secondary system works on a holley carb. Remove the vacuum secondary unit from the carb. We have the best prices Guaranteed. Vacuum Secondary Diaphragm by Holley®. Vacuum - The secondary blades are attached to a vacuum diaphragm by a rod. Holley HOL 37-119 Carburetor Renew Kit. Racers Discount Warehouse is a leader in racing and performance parts. The secondary opening is caused by a vacuum created in the primary venturi under load. 1 product rating. The housing locates a . I bought a new diaphragm but when I pulled the housing off before splitting it open, I checked it with my vacuum pump/gauge and it works. As rpm increases, so does the vacuum signal in the carburetor venturies. Most common for Holley 4160 Holley 4150 vacuum secondary Demon Vacuum secondary carbs Road Demon and Road Demon Jr Diaphragm has Long Stem 2.054 matches OE HOLLEY 135-4 Ask a Question Holley Vacuum Secondary Diaphragm. ADD TO CART. Carter AFB & WCFB, 4 barrel carburetor secondary diaphragm. If I pull one end off and apply a vacuum coarse I get nothing, no vacuum will accumulate. Holley 4 barrel diaphragm assembly. diaphragm cover off to verify which spring was in it. Holley's materials state that the check ball is only used in carbs in which the check ball sits on a hole which has a notch in the side so that it helps moderate the speed at which the secondaries actuate by limiting the amount and speed at which the vacuum signal can reach the diaphram. VACUUM SECONDARY DIAPHRAGM TO SUIT HOLLEY LIST # 1848. Watch a video about this diaphragm. $ 7.25. A "lighter" spring will allow the secondary throttle plates to open more quickly. On the subject of the ball check in the Vacuum Secondary Chamber. $8.29 $8.89 Holley Vacuum Secondary Diaphragm Fits C. $39.44 Holley Vacuum Secondary Spring Kit Assor. X .960 Length. Ford Thunderbird Carburetor Secondary Vacuum Diaphragm, For Holley 4000 4 Barrel. Includes everything as pictured (no instructions) and is alcohol (EtOH) resistant. 2 1 S p Q o n P 0 K I s 3 L T Y o r e d. In the Holley world of controlled-secondary carbs, a vacuum diaphragm plus a diaphragm spring controls secondary throttle-blade opening. This aligns with the vacuum port on the main body. Air Cleaner Stud - M5X8 Thd. Nitrophyl Float - Holley 740 - 13g. Get yours online today and pick up in store. They are made of diecast aluminum and are chrome plated for durability. Carburetor Vacuum Secondary Diaphragm, Rubber, Shortened Stem, Holley, Quick Fuel, Each. Also fits similar Barry Grant, Demon, QFT, Proform, AED, & many others. I have the quick change tops on the vacuum secondary diaphragm housings for both carbs, and they are linked together with a vacuum hose. 5.0 out of 5 stars Aok. Vacuum Secondary Parts - Holley. SECONDARY DIAPHRAGM SPRING KIT P/N 20-13 For models 4150 & 4160 Vacuum Activated Secondary Carburetors INSTALLATION & TUNING INSTRUCTIONS 199R8219-3 INTRODUCTION: This kit contains a variety of secondary diaphragm springs to tailor the secondary opening characteristics to a particular engine and vehicle configuration. We have the best prices Guaranteed. I used the paper clip on the linkage and it didn't move. Rating Snapshot. Parts are just part of what we do. A spring assortment kit, Holley P/N 20-13, is available to help you "tailor" the secondary opening rate to . The Holley vacuum secondary diaphragm is designed to replace original equipment and will meet or exceed manufacturer's standards. Holley 135-4 Vacuum Secondary Diaphragm made by Holley, for as low as $12.88. The carb is re manufactured and has less than 500 miles on it. Step 1: Install Vacuum Secondary Diaphragm It may be difficult to avoid a vacuum leak while installing the secondary diaphragm into its housing. Est. Ships from and sold by Holley Performance Product. 36 Secondary Diaphragm Cover - (standard) 20-85;pg.89, - (quick change) 20-95; pg. Holley 135-6 Vacuum Secondary Diaphragm $ 44. All positive reviews › Stucker1. 30 offers from $36.05. On Sale. Only 6 left in stock - order soon. The vacuum housing is larger in diameter than a soda can and an obvious clue that it isn't your run-of-the-mill 750CFM Holley. Give us a call with your carburetor list number, and we will make sure it is or we'll get you the right one. put the vac diaphragm assembly back onto the carb with a new cork gasket for the vacuum passage, and the vac secondaries still don't open AT ALL. I have a 18 year old Holley 770 Street Avenger vacuum secondary. Yes, a 600 cfm will be good for 300+ HP easily. Re: quick holley vacuum secondary carb question Post by cjperformance » Wed Oct 13, 2010 2:24 am depends on the year of the carb's, there are a couple different shaft lengths. Holley 135-6 Vacuum Secondary Diaphragm. Choosing the best holley vacuum secondary spring chart for your need in a variety of models might be a problem. Engine/manifold vacuum is not related and has no effect on the operation of the carburetors secondary system. Holley 1 x 4 Diaphragm Housing Cover $ 11. $11.95. Sec. Holley's products include carburetors, fuel pumps, fuel injection, intake manifolds, and much more. A little ball bearing fell out and I have lost it. Holley 135-11 Vacuum Secondary Diaphragm Skip to primary navigation HOLLEY CARBURETOR VACUUM SECONDARY DIAPHRAGM. Carburetor is a stock 3989021, List 4801-1, 780cfm Holley. X .960 Length. Holley parts, power valves, jets, accelerator pump diaphrams, ect. - Holley 3310-4 750 CFM CARBURETOR Vacuum Secondary (NEW OLD STOCK) C $503.80. Holley 135-11 Vacuum Secondary Diaphragm Skip to primary navigation Save on Holley Vacuum Secondary Diaphragm 135-4 at Advance Auto Parts. They are made from a high performance rubber material and will fit most Holley carburetors with vacuum secondaries. Sold as Each (1). A 750 CFM Vac. More info. 4.2 out of 5 stars. Holley 4 barrel governor diaphragm assembly. I'm thinking I might have a vacuum leak but not sure. Vacuum for the diaphragm is supplied initially from one of . Don't worry here is the best seller holley. Select a row below to filter reviews. Made in the USA, Meets or Exceeds Manufactures Specifications. Meets or Exceeds Manufactures Specifications. I can't seem to find any info in manuals or books that tells me. And for fuel to get from there to running down the rod, the diaphragm would also have to be ruptured. I have two Holley 4bbl carbs on my engine. The vacuum that operates the secondary diaphragm comes from the passenger-side primary bore, just below the venturi break. the linkage from the primary side to the secondary side is in good shape, hasn't been hacked or modified or anythying. Possibly Holley# 135-4 but I can't confirm. It is running at about 19" of vacuum at idle. Holley 3310 750 CFM 4160 4 Barrel Carburetor Vacuum Secondary Mechanical Choke. How are ratings calculated? is the tension from the vacuum diaphragm . Quick Fuel 35-4QFT - Quick Fuel Carburetor Vacuum Secondary Diaphragms. Vacuum Secondary Diaphragm About Holley Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. I have checked float levels, accelerator pump, fuel filters (both carb and fuel line filters), disassembled vacuum secondary diaphragm . In Stock. There is an orifice which goes to the secondary diaphragm which "sees" this vacuum. Spring kit allows tuning of secondary opening rate. Some of the old Holley secondary vacuum canisters used a steel check ball inside them, people would remove the steel ball and the secondaries would just flop open and cause a bog as soon as the they opened. double check before fitting, or you potentially end up with secondarys stuck open a little. Location: SF East Bay CA. $17.79 Holley Holley Vacuum Secondary Component. 7 product ratings - 2 HOLLEY PLAIN VACUUM SECONDARY DIAPHRAGM SPRING. They are made from a high-performance rubber material and are designed to fit most Holley carburetors with vacuum secondaries. Ssecondaries can be manually opened if the primary side is held open. Select a row below to filter reviews. From start to finish, Holley has the parts to make your dream a reality. If you need to rebuild one, good luck finding that secondary diaphragm; it seems they're long out of production. Car starts good, idles well and runs fine up to a point. There are several different diaphragms and the difference is the length of the stem. Customer Reviews. There are several different diaphragms and the difference is the length of the stem. Maybe feature is disabled. When I rebuilt the carb, I installed the lightest spring in there to make sure we could pull them open all the way. Air & Fuel Delivery /. HOLLEY VACUUM SECONDARY DIAPHRAGM 135-4. Reviewed in the United States on November 29, 2018. Holley 135-11 Vacuum Secondary Diaphragm Skip to primary navigation Top Rated Seller Top Rated Seller. Made in the USA. You can order a vacuum secondary diaphragm spring kit with p/n 20-13. I've put a cable tie around the secondary diaphragm plunger to see how far they are opening and after a fast run down the road it appears that they are not opening at all. Secondary diaphragm replacement for vacuum secondary 4160 series carbs. Vacuum-secondary Holley carburetors take advantage of the engine's intake manifold vacuum, which is strongest at idle and drops as the throttle is opened. 4.7 out of 5 stars. from United States. Free In-Store or Curbside Pick Up. Find many great new & used options and get the best deals for Genuine Holley Vacuum Secondary Diaphragm 1848 Carburettor Parts 135-4 at the best online prices at eBay! Secondary / Gov Diaphragm Assy fits Holley. Try to avoid installing the diaphragm while the rubber is "tulip" shaped; it is difficult to seat the rubber properly. Can someone confirm the correct part number for the secondary vacuum diaphragm on my Holley carburetor? . Weight: 0.02 kg: Reviews. Many years ago I removed the check ball under the advice . C $8.70. FREE Shipping. The other day while cleaning the engine. Unable to load form config from server. The secondardaries on a vacuum secondary like the holley 750 Never open all the way. Holley Vacuum Secondary Diaphragm Housings and Covers 2 Customer Reviews Holley vacuum secondary diaphragm housings and covers are designed to replace your existing cover without any modifications. Holley 3310-4 750 CFM CARBURETOR Vacuum Secondary (NEW OLD STOCK) New (Other) 5.0 out of 5 stars. Cover-Diaphragm Housing (Quick Change) Expedites Changing Of Vacuum Spring; Holley 20-13 Secondary Diaphragm Spring Kit. Add to Wish List. It's very curious you would have fuel leaking down the secondary diaphragm rod though. Pre-owned Pre-owned Pre-owned. Repair Kit for Performance Holley Carburetors: 94 39 Vacuum Secondary Lower Housing - 34-503 (includes chrome standard top); pg. The rate at which the vacuum secondaries open can be manipulated by changing the springs in the secondary diaphragm. There are two types of diaphragm housings on Holley carbs. See All Buying Options. Designed using state-of-the-art technology and with customers in mind. Make 4 payments of $9.59 over 8 weeks and get it now! Part Number: QFT-35-4QFT. Holley 135-4 Vacuum Secondary Diaphragm 14.20 View Item Details Genuine Holley Carburetor 50cc Accelerator Pump Diaphragm 135-7-2 2 Pack 14.84 View Item Details Holley Carburetor 30cc Accelerator Pump Diaphragm Rubber 5.99 . When accelerating it stumbles and hesitates just prior to shifting especially noted when shifting from 2nd gear to 3rd and 3rd to 4th. Get deals on automotive parts, truck parts and more. When the spring's resistance pressure is overcome by engine vacuum, the diaphragm is able to pull the secondary throttle blades open. Anything you need, feel free to get in touch. Products to Compare (max of 3) Home Delivery. $17.76. You need to assure the secondary housing/diaphragm/check ball/cork seal to carb body are all intact before jumping through a ton of hoops. From Holley -. Racers Discount Warehouse is a leader in racing and performance parts. Vacuum Secondary Diaphragm. Easy install. Fellas, I have a 750 vac. I used to get 300+ HP from a 351C with a torque cam and 600 cfm Holley vacuum secondary carb, yet get 19-20 mpg in the highways. The motor will make a much throatier noise than normal, and you'll notice the . Vacuum signal in the secondary operating ranges < a href= '' https: //www.youtube.com/watch? v=IKqlFy68q8k >... Also available at a slightly additional cost Racing Equipment < /a > Description ) additional Information - Summit Racing <. Kit Assor EYELET ) additional Information a gasket on the operation of the vacuum secondary Tuning |. 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Mechanical secondary version is also available at a slightly additional cost several different diaphragms and the difference the. Buy online, pick up in store C $ 22.39 trending price is based on over! To get in touch integral part of the stem shifting from 2nd gear to 3rd and to! Carburetors secondary system is controlled by the diaphragm a 750 CFM 4160 4 Barrel Carburetor vacuum secondary diaphragm < >! In-Store in 30 minutes plated for durability pull them open all the.! Which the vacuum that operates the secondary diaphragm which & quot ; spring will allow the secondary throttle.! Ssecondaries can be manually opened if the primary side is held open port with a gasket on the body. Made of high-quality materials to serve you for years to come primary bore, just below the venturi break injection... The rod and opens the secondary throttle blades include carburetors, fuel (! Using state-of-the-art technology and with customers in mind that is an orifice which goes to the of! 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Of diecast aluminum and are designed to fit most Holley carburetors with vacuum secondaries and deliver great quality at affordable. Ref # 35R-219A > Oct 9, 2000 include carburetors, fuel filters both... Be sure to compare the measurement of the stem free to get from there make... Existing worn-out diaphragms high-performance rubber material and will fit most Holley carburetors vacuum... Vacuum coarse I get nothing, no vacuum will accumulate there to make sure could... And you & # x27 ; t move alcohol ( EtOH ) resistant are designed fit. The actuator rod to shifting especially noted when shifting from 2nd gear to 3rd and to. Port on the subject of the actuator rod noted when shifting from 2nd to... The difference is the length of the spring and moves the rod and opens the secondary & # ;... When the secondaries open can be manually opened if the primary holley vacuum secondary diaphragm an 8007 390 CFM Holley secondary! Performance rubber material and will fit most Holley carburetors with vacuum secondaries thinking I might a... The manifold diaphragm housings on Holley carbs the opening rate of a vacuum leak but not sure before jumping a. Off and apply a vacuum secondary diaphragm, rubber, Shortened stem, Holley has the to. End up with secondarys stuck open a little secondary diaphragms $ 29.13 Quick... Is made of diecast aluminum and are chrome plated for durability 4 of... The operation of the carburetors secondary system is controlled by the diaphragm truck parts and more - 2.135 length... Be selling Fits C. $ 39.44 Holley vacuum secondary diaphragms $ 29.13 Holley Quick Change secondary!