Nettet14. nov. 2015 · An 870 has a #40 nozzle, the 770 has a #25. That's a BIG difference. I never went any bigger than a 35 on mine when I was tuning the 770 (it was overly rich at that point). You have more cubes, but your 408 doesn't sound as high strung as my 340 (which is actually 350 cubes @ .060") . Also, what is your vacuum at idle? Nettet8. nov. 2024 · Holley Sniper EFI 550-870 Holley Sniper Stealth 4150 - Shiny Finish. This fits your . Make sure this fits by entering your model number. Timed spark part for …
Holley 870 avenger is the only Holley choice for 466/C6?
NettetHolley® dealer (Holley® P/N 20-67). Install the stud in the throttle extension lever (Figure 1). Figure 1—Chrysler applications FORD APPLICATIONS NOTE: Unless replacing an existing Holley® Carburetor, you will need to purchase Holley® P/N 20-91, spring and perch kit, for Ford automatic transmissions. 1. Nettet3. des. 2014 · My 870 Avenger definitely has the shorter choke horn, as compared to my 3310's choke horn. I will measure when I remove the carb, hopefully by this weekend and post some pics if possible. Todd BTW, Jmarkaudio, you are absolutely correct about the Holley data library having mis-information. hjm hermanos julian
Holley Carburetor 870 CFM, 4160-Style 4-bbl Carburetor Gm …
Nettet17. jan. 2024 · The best power with a carburetor was 503 hp at 5,800 rpm and 499 lb-ft of torque at 4,400 rpm. This is great power from a pretty simple combination. With the baseline established, we began... NettetHolley 870 CFM Street Avenger Carburetor-Factory Refurbished Manual Choke Vacuum Secondaries-4150 Part # FR-81870 Be the first to write a review Notify Me When … Nettet19. des. 2010 · The 870 will work ok, but as mentioned they are hard to tune the secondary's to come in nice. I would run a 850 dp, or a 850 Street HP if you don't need a choke. Dave G GRN69CHV Registered Joined Nov 6, 2003 9,849 Posts #5 · Dec 18, 2010 Dave pretty much covers it. All depends on what you want from the secondaries. hj. mat hj. jantan sdn. bhd