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1971 Chevelle. Carb’d 6.0 LS Th350 3.90 12 Bolt. 1972 Greenbrier Wagon 489, 700r4 3,73 12 bolt
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Nice, looks like you changed your cam?
I just changed gears, hoping that picks mine up finally.
 

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Discussion Starter · #25 ·
id like to do a 150 to 200 shot dry and tune with the terminator x , but that tuning is over my head at the moment, still battling hot engine light throttle , or barely blipping throttle and engine dies, sometimes starts back up without throttle usually needs some throttle, 2 foot driving at the track,,,
 

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1971 Chevelle. Carb’d 6.0 LS Th350 3.90 12 Bolt. 1972 Greenbrier Wagon 489, 700r4 3,73 12 bolt
Joined
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3,711 Posts
id like to do a 150 to 200 shot dry and tune with the terminator x , but that tuning is over my head at the moment, still battling hot engine light throttle , or barely blipping throttle and engine dies, sometimes starts back up without throttle usually needs some throttle, 2 foot driving at the track,,,
Hot engine light throttle might be too much timing. Mine was hot egt’s at idle, had 28*. Dyno guy dropped it back to 26* and cleared that up. Highest mph was at 28*. But I am running a carb and not FI. Not up on efi.

Mine loves nitrous. From 7.70’s /12.00’[email protected] na to 6.80’s/ 10.70 @125 on 125 shot. Still more in the tune, havent had a chance to run it this year.
 

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1971 Chevelle. Carb’d 6.0 LS Th350 3.90 12 Bolt. 1972 Greenbrier Wagon 489, 700r4 3,73 12 bolt
Joined
·
3,711 Posts

· Premium Member
1971 Chevelle. Carb’d 6.0 LS Th350 3.90 12 Bolt. 1972 Greenbrier Wagon 489, 700r4 3,73 12 bolt
Joined
·
3,711 Posts
Might need more fuel at idle. with the 850 idle mix screws too lean, it will go almost 16.0 afr coming up to a stop. If the primary jet is too lean it will misfire.
 

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i did go to custom pat g cam, and an 8in a-1 5500 convertor,
Running good!

Pat G seems to have a good rep. I'm running a BTR but would consider a Pat G cam after all the positive reviews I've read.
 

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Discussion Starter · #32 ·
new best today. 5800 da. 7.005, 97.8mph,,,,

i can almost. taste a 6.99 time slip
 
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1971 Chevelle. Carb’d 6.0 LS Th350 3.90 12 Bolt. 1972 Greenbrier Wagon 489, 700r4 3,73 12 bolt
Joined
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3,711 Posts
new best today. 5800 da. 7.005, 97.8mph,,,,

i can almost. taste a 6.99 time slip
Is 5800da considered good or bad? I went out Friday nite and da was 2800. Very humid.

Wish mine ran good on motor like yours, nice numbers.
 

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i did go to custom pat g cam, and an 8in a-1 5500 convertor,
What heads did you end up with cathedral or square (LS3) guessing cathedral being the TBSS intake.
Pat G knows how to spec a LS cam for sure. Ramp rates and those reduced travel lifters do really make a difference. Would only use solid or reduced travel lifters on any LS build.
 

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Discussion Starter · #35 ·
cathedral 243. today 15mph headwind , 5000 da 1.53 60ft and 4.48 330ft, 7.02, best 330 ever,,,,
 
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