SPREADBORE Holley Sniper EFI

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MrSony

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Nov 15, 2014
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Mr Sony, how in the hell does your converter stall at 1200? My current stock TH350C converter flashes at 1600 RPM. The lowest I have seen was the 4L60E that was in my 94 Z71 1400-1500 RPM, probably a stock or towing replacement. Do you have the 2500 stall and 3.42 gears in yet? If not, you will lose.
Ive had em in since about august.
Stock would foot stall at 1200. It sucked. Flashed to around 1500.
 
Oct 14, 2008
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Ive had em in since about august.
Stock would foot stall at 1200. It sucked. Flashed to around 1500.
About the same as mine, what converter did you end up with?
 

MrSony

Geezer
Nov 15, 2014
6,791
6,674
113
Des Moines, Iowa
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MrSony

Geezer
Nov 15, 2014
6,791
6,674
113
Des Moines, Iowa
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MrSony

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Nov 15, 2014
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6,674
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Des Moines, Iowa

Turbo Zach

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Sep 8, 2015
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you do ba-WAAAHHHHH?
It does when the turbo spools. Not as throughty though it is a six cylinder. Weight till I put my boost referenced exhaust dump valve on. Some one needs to build a turbocharged Buick 350! (Hint,hint)
 
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MrSony

Geezer
Nov 15, 2014
6,791
6,674
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Des Moines, Iowa
It does when the turbo spools. Not as throughty though it is a six cylinder. Weight till I put my boost referenced exhaust dump valve on. Some one needs to build a turbocharged Buick 350! (Hint,hint)
its happened. one was 1000hp another was 1200ish.a kid got an na 8.5:1 350 to 422hp and 600+with 6psi with a centrifugal supercharger.
 
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