347 stroker
02-28-2007, 05:46 PM
#22
6th Gear Member
Join Date: Feb 2005
Location: KY
Posts: 13,396
RE: 347 stroker
ORIGINAL: vt89gtvert
turn-key 425HP 347 for under 8K, on my first google search.
http://www.proformanceunlimited.com/...350dropAL.html
ORIGINAL: 88BlueGT
I will have to strongly dissagree w/ that. There are tons of guys running 400rwhp on NA 347's.
I will have to strongly dissagree w/ that. There are tons of guys running 400rwhp on NA 347's.
http://www.proformanceunlimited.com/...350dropAL.html
02-28-2007, 06:50 PM
#25
5th Gear Member
Join Date: Jan 2006
Location:
Posts: 2,760
RE: 347 stroker
ORIGINAL: r.barn
BS ............. getting 420rwhp n/a out of a 347 at 6,500 rpm is not going to happen
you're dreaming, 408W only make 425rwhp.
ORIGINAL: FullAuto
If you have any kind of attention to detail and use decent parts, the 347 should pass the 400rwhp mark N/A on pump gas. 350rwhp 347s are from people who just throw stuff together.... like using E cams. Personally, I'd plan on 420rwhp N/A.
If you have any kind of attention to detail and use decent parts, the 347 should pass the 400rwhp mark N/A on pump gas. 350rwhp 347s are from people who just throw stuff together.... like using E cams. Personally, I'd plan on 420rwhp N/A.
you're dreaming, 408W only make 425rwhp.
I'd do it with EFI and on pump gas. Nothing ported. Just a bolt on daily driver with the correct parts. I never said anything about 6500rpm, but that shouldn't limit it too much if someone wanted to limit it to that. I'll probably go 6800rpm.
I'll probably start buying parts to do one in April. It might be June/July before it's finished though. I'll be sure to let you know.
02-28-2007, 07:00 PM
#26
3rd Gear Member
Join Date: Apr 2006
Location: Maine
Posts: 751
RE: 347 stroker
ORIGINAL: FullAuto
You just really showed how much you don't know there. 425rwhp 408W???? HAHAHAHAHAHAHAHAHAHAHAHAHAHAHA What a joke.
I'd do it with EFI and on pump gas. Nothing ported. Just a bolt on daily driver with the correct parts. I never said anything about 6500rpm, but that shouldn't limit it too much if someone wanted to limit it to that. I'll probably go 6800rpm.
I'll probably start buying parts to do one in April. It might be June/July before it's finished though. I'll be sure to let you know.
ORIGINAL: r.barn
BS ............. getting 420rwhp n/a out of a 347 at 6,500 rpm is not going to happen
you're dreaming, 408W only make 425rwhp.
ORIGINAL: FullAuto
If you have any kind of attention to detail and use decent parts, the 347 should pass the 400rwhp mark N/A on pump gas. 350rwhp 347s are from people who just throw stuff together.... like using E cams. Personally, I'd plan on 420rwhp N/A.
If you have any kind of attention to detail and use decent parts, the 347 should pass the 400rwhp mark N/A on pump gas. 350rwhp 347s are from people who just throw stuff together.... like using E cams. Personally, I'd plan on 420rwhp N/A.
you're dreaming, 408W only make 425rwhp.
I'd do it with EFI and on pump gas. Nothing ported. Just a bolt on daily driver with the correct parts. I never said anything about 6500rpm, but that shouldn't limit it too much if someone wanted to limit it to that. I'll probably go 6800rpm.
I'll probably start buying parts to do one in April. It might be June/July before it's finished though. I'll be sure to let you know.
02-28-2007, 08:19 PM
#28
5th Gear Member
Join Date: Jan 2006
Location:
Posts: 2,760
RE: 347 stroker
ORIGINAL: chath_brick
making 1+ HP per cube NA is hard to do...our 302 motors only make about 2/3rds that stock
making 1+ HP per cube NA is hard to do...our 302 motors only make about 2/3rds that stock
Of course with high compression (race gas territory), solid roller cams and a carb (versus stock EFI) you can do even better. When I actually build a nitrous motor (or N/A, but I don't ever do anything N/A) I usually shoot for 1.2+rwhp/ci. This 347 I have planned should be in the area of 1.25rwhp/ci on 91 octane with a hyd. roller and the stock A9L and I'll be using OTS heads and intake.
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