Stock 4l80e TC + turbo?
#1
Stock 4l80e TC + turbo?
I am Wondering how a stock 1ton truck 4l80e torque converter will do in a turbo car. My friend is working on a hx52 powered lm7 backed by an 80e and stock TC, but it might be a while before it's done and I'm wondering about doing the same.
#3
TECH Senior Member
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Question would be better suited on the truck side, as this was done years ago with good success. I can tell you from personal experience though the stock converter is not performance oriented at all but feels good around town. I believe Smokeshow took out the crankshaft due to the converter cover flexing under serious power.
#6
On The Tree
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I had a stock converter for a bit and liked it. I had no problem building boost with a 6.0 and 7675 turbo. I was in the 700rwhp range at the time and it seemed to handle it fine. I switched to a 10.5" FTI which is nice, but honestly for a turbo street car that spools reasonably well, I'd rather save the $1k. My main concern was at what power level do they start coming apart, which is why I have a billet converter now.
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#9
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Mine will be used for street driving with regular street tires on a stock bottom end 6.0 engine with a gt2-3 cam. It wont go to the track but maybe once to get a time slip and will be a dd. Im looking to make 500-600 rwhp with the ON3 kit or a D1 procharger kit. I think Im gonna try the stock converter and see how it does.
#10
i have had no problems with stock converters in the 400-700 wheel range
you just have to understand the car is never going to leave or be able to scoot from a stop with any authority
you just have to understand the car is never going to leave or be able to scoot from a stop with any authority