Roberts 89 GT/U build 3400/3500 WOT-Parts

[bob442]

I have yet to see real proof that the 3400 can't handle as much power as the 3500 can bottom end wise... I also found out that stock 3400 rods are forged... and 3500 ones are not... granted yes you get the forged crank, but I know of one turbo 3500 where he broke that crank under boost.

From what i recall hearing ChevetteBoy from winnipeg cracked the oil gally with 25 PSI in a 3400. I think he was pushing well over 400hp, and the bottom end was still together, so the 3400 block will give before the crank. i think if you want to make over 500hp you should be looking at something bigger than a 3400 anyways

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[robert 1980]

I never said jon took to long.I just didn't want to risk driving the car in the snow.The only real benefits i was looking for was more power.I wanted to make more power and get the car into the 13 second range.The car runs amazing i drove it today.I've wanted to do this for awhile and when jon said he would help i didn't think twice about it.

[robert 1980]

One benefit is WOT 3500 heads flow better then stock.After 2,500 rpm this car wakes up.
I also have compition ported intakes from WOT.Me and jon talked about the 3500 swap but with a perfect 3400.
It's wasn't really needed.Im happy with everything and this spring i'll have a few time slips

[ForcedFirebird]

From what i recall hearing ChevetteBoy from winnipeg cracked the oil gally with 25 PSI in a 3400. I think he was pushing well over 400hp, and the bottom end was still together, so the 3400 block will give before the crank. i think if you want to make over 500hp you should be looking at something bigger than a 3400 anyways

He was making 500tq and ~475hp and the mains were stretching. He didn't want to swap to a 3400 and had asked about making GenI 4-bolt mains. There was a Midget racer I sold a 3500 to that cracked the galley, but he was at 14:1SCR and making over 300hp N/A.

[robert 1980]

Yeah i won't be anywhere near 300 whp.
Im hoping for 220 225 to the wheels.
I still drive it alot on the street.But 300 n/a whp would be amazing too!!!

[3400-95-Modified]

According to my timeslips I'm either 320 crank or 320 wheel... I'm not sure what MPH converters are estimating but I think its crank HP...

[robert 1980]

Maybe one day i'll buy the parts and a 3500.LOL
Then you can build that for me jon=)