351 and C4?

CarFreakGT · Nov 20, 2010

Just picked up a mildly built 351 for my 68 coupe. I currently have C4. Will this combo be okay for light driving? Thoughts? TIA

brianj5600 · Nov 20, 2010

Petty vague, but if the C4 is in good shape and the motor is not over 350 or so HP, you should be OK.

rbohm · Nov 21, 2010

a stock C4 in good shape will handle up to 350hp with little problem. with a shift kit, you can make up to 400hp and not have an issue.

CarFreakGT · Nov 21, 2010

Thanks guys for the feedback. That's what I was hoping to hear. I would estimate the engine to be in the 320 hp range, and was considering a shift kit anyway. Muchas gracias!

blown65 · Nov 21, 2010

You can put a lot thru a properly built C4.

mrfomoco · Nov 23, 2010

Problem is, finding a local person to build one properly.

brianj5600 · Nov 23, 2010

I know Weatherford is not local, but they build a good C4. Up to 600hp they are not too hard to build.

blown65 · Nov 23, 2010

Ya, no one around here can build one to hold 400hp. LOL

I bought mine from Performance Automatic, been a great transmission so far. I definitely abuse the hell out of it.

CarFreakGT · Nov 23, 2010

brianj5600 said:
I know Weatherford is not local, but they build a good C4. Up to 600hp they are not too hard to build.

Weatherford? Is that in TN? If so, where? I'm in Louisville, KY.

brianj5600 · Nov 23, 2010

blown65 said:
Ya, no one around here can build one to hold 400hp. LOL

I bought mine from Performance Automatic, been a great transmission so far. I definitely abuse the hell out of it.

Are you still using a C4? I thought you had a 400.

CarFreakGT said:
Weatherford? Is that in TN? If so, where? I'm in Louisville, KY.

Sorry, I was replying to mrfomoco. Broader Performance is in Weatherford, TX.

blown65 · Nov 23, 2010

brianj5600 said:
Are you still using a C4? I thought you had a 400.

Sorry, I was replying to mrfomoco. Broader Performance is in Weatherford, TX.

NO, its still a C4. Never ran a 400. I have a good 300-350 passes on mine so far. 8000+ shifts and still shifts like new. Zero signs of flaring in 2-3 shift.

351 and C4?

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