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Old 07-10-2012, 07:09 PM   #1
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331 stroker kit

U think u should do a 331 stroker kit before I boost?? My mechanic said while back just a stroke.kit will only give me about another 30 or so HP n/a..or just leave it at the 306 im at now?
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Old 07-10-2012, 07:16 PM   #2
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Originally Posted by fast 94 5.0
U think u should do a 331 stroker kit before I boost?? My mechanic said while back just a stroke.kit will only give me about another 30 or so HP n/a..or just leave it at the 306 im at now?
My brothers 347 n/a dynoed at 414rwhp, IMO stroke it!! Lol
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Old 07-10-2012, 07:34 PM   #3
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stroking it is good.

but imo the cubes can come much cheaper/easier from a 351 swap.

---------- Post added at 07:34 PM ---------- Previous post was at 07:32 PM ----------

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Originally Posted by WhiteCobra94

My brothers 347 n/a dynoed at 414rwhp, IMO stroke it!! Lol
sweet!
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Old 07-10-2012, 07:42 PM   #4
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Poke and stroke it. Your already spending the dough for a forged bottem end. Spend that little bit extra and get more cubes. You could get a short block from dss, chp, etc... Starting around 2k
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Old 07-10-2012, 07:47 PM   #5
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See with my build now n/a im doin 302rwhp..so if I do I 331 stroker kit I should see about 330ish n/a around about my mechanic says when i asked him while back..but would I get more boost hp with the 331 compared to my 306?
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Old 07-10-2012, 07:50 PM   #6
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yes you would be able to stuff more hp out of you boost.
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Old 07-10-2012, 07:55 PM   #7
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I heard that when u do stroker kits your rings burn out quick? Idk if thats tru or not..one of my co workers told me that..so I dont kno if he had a bad kit/install
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Old 07-10-2012, 07:56 PM   #8
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im not to sure on that. the rings are gonna mostly depend on quality and proper break in. imo
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Old 07-10-2012, 07:59 PM   #9
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Maybe he had a cheap kit/didnt break in right like u said bc I never really heard of strokers burning up quick
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Old 07-10-2012, 08:14 PM   #10
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Originally Posted by dreamstang
stroking it is good.
Strokings always good.. Lmfao
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Old 07-10-2012, 08:15 PM   #11
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Strokings always good.. Lmfao
haha. yes it is, and sometimes neccesary! lol
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Old 07-10-2012, 08:16 PM   #12
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Poking is to
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Old 07-10-2012, 08:18 PM   #13
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Poking is to
yes! i would say better than stroking but that will depend on if we are still talking engines! lol
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Old 07-11-2012, 06:33 PM   #14
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yes! i would say better than stroking but that will depend on if we are still talking engines! lol
Dirty boyy
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Old 07-16-2012, 12:27 PM   #15
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Do it man, the 331 will last i have a 331 nd it runs great got everything from coast high performance theres better kits but this one was affordable forged pistons nd rods mines a good mid 11s car nd still drivable
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Old 07-16-2012, 03:48 PM   #16
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You should I'm in the process pulling the engine this week I got my kit from dss it came out to $980 after everything not balanced and its forged so its boost friendly ... My buddy has a 347 and he told me the same thing about the rings but he said you had to change the rings every 10k to 15k but only on the 347 I can't remember y though
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Old 07-16-2012, 05:12 PM   #17
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Its because of where the pin goes through the piston. The rings actually go around it. Thats why oil consumption is higher for a 347, and the engine life is shorter unless you practice very good maintenance
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Old 07-16-2012, 06:26 PM   #18
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Its because of where the pin goes through the piston. The rings actually go around it. Thats why oil consumption is higher for a 347, and the engine life is shorter unless you practice very good maintenance
So a 331 is good?
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Old 07-16-2012, 07:30 PM   #19
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Hell it's not bad at all.. But with the $$$ spent most people build a 408 or 427 like I am doing. That way you have big block cubic inches and small block weight. And can make 700rwhp easily on boost
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Old 07-16-2012, 07:35 PM   #20
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Hell it's not bad at all.. But with the $$$ spent most people build a 408 or 427 like I am doing. That way you have big block cubic inches and small block weight. And can make 700rwhp easily on boost
yeah. my neighbor makes about 700-800 hp n/a with his 427. he also has some juice. its perty sick!
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Old 07-16-2012, 10:15 PM   #21
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I read that the reason strokers rings go quick is bc when you extend the rod it somewhat pushes the piston up against the walls of your block more than regular stroke and you blocks life is shortened too I'm not sure if that's 100% true or not it was in one of the Windsor small block performance books. Also it says strokers get a little better mpg bc the peak horsepower and peak torque is at lower rpms than regular stroke. That was in the Windsor book too.
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Old 07-17-2012, 09:23 AM   #22
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Re: 331 stroker kit

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Originally Posted by 93_347foxbody View Post
I read that the reason strokers rings go quick is bc when you extend the rod it somewhat pushes the piston up against the walls of your block more than regular stroke and you blocks life is shortened too I'm not sure if that's 100% true or not it was in one of the Windsor small block performance books. Also it says strokers get a little better mpg bc the peak horsepower and peak torque is at lower rpms than regular stroke. That was in the Windsor book too.
Yes, it changes the "rod angle" and sometimes not for the better.
I researched all of that some time ago and the best rod angle for a 351W I believe was to bore and stroke it to a 377 cubic inch engine.
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