Gold Lifetime Member
Join Date: Jan 2005
Location: 2 Dog Town in West Texas
Re: Carb Advice Wanted: Holley Ultra Avenger or Quick Fuel SS-Series??
Been there , done that with all these fancy shiner carbs, Demo etc. I went back to holley and tuned my own with an LM1,
My last holley was a an 850 80531 with vac sec.. Said to flow 950 out of boz. A real screamer on a small block but didn't have the street crispness off idle , even after tuning but screams. Went back to my tried and true 3310-4. 3310 pulls till 6200 then falls off as my dyno sheet show and I get 23 mpg on hiway.
Those shiner carbs are romance items, people that purchase them, don't know beans about how to tune, just trade off parts.
As for EFI. You let the computer do the work, air mass, air temp, etc. Don't take much but $$ to install and be done but more likely , you will never be satisfied.
Sounds like all noise. You need to find a more isolate place to do your testing.
TC # 349
Zdld17:69 Z/RS,306, NOR141111, 9N554XXX, 12A, X3G, 59/59,723, AFR 195,CCC282/290HR, TKO 600, BU1122B1E Owner since Dec 1968
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