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Old 11-05-2013, 08:04 PM   #1
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Stock crank HP

Most HP a stock crank can handle? I wanna up my nitrous more to a 175 (currently 100) & with the 175 I'm pretty sure I'll eventually end up blowing something up. So to prevent that I wanna buy forged pistons & rods but I'm not to sure how much the stock crank with take. So what do y'all guys think? The forged pistons & rods will do? or just invest in all forged stroker kit.
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Old 11-05-2013, 08:24 PM   #2
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Most HP a stock crank can handle? I wanna up my nitrous more to a 175 (currently 100) & with the 175 I'm pretty sure I'll eventually end up blowing something up. So to prevent that I wanna buy forged pistons & rods but I'm not to sure how much the stock crank with take. So what do y'all guys think? The forged pistons & rods will do? or just invest in all forged stroker kit.
Invest in everything at once. Rods go at 450-475, crank goes at 500 and pistons go at 500. I got off lucky with my turbo with just a blown head gasket and lifted head. Dont risk it, its not worth it.
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Old 11-05-2013, 11:35 PM   #3
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Invest in everything at once. Rods go at 450-475, crank goes at 500 and pistons go at 500. I got off lucky with my turbo with just a blown head gasket and lifted head. Dont risk it, its not worth it.
Found a rotating assembly on modular Motorsports, with cast iron crank, forged pistons & I-Beam rods for 1500. & a 4.75 stroker with forged crank,I-Beam rods & pistons for 1800. Haven't checked anywhere else yet
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Old 11-06-2013, 09:35 AM   #4
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Try modmaxracing.com
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Old 11-06-2013, 10:44 AM   #5
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Found a rotating assembly on modular Motorsports, with cast iron crank, forged pistons & I-Beam rods for 1500. & a 4.75 stroker with forged crank,I-Beam rods & pistons for 1800. Haven't checked anywhere else yet
Buddy, you're not going about this the right way. That cast crank will make it to MAYBE 550 horse, and those cast I-beams are useless! Jist soend the $2, 200 and get a forged crank, with forged manley pistons and forged h beam rods.

---------- Post added at 10:44 AM ---------- Previous post was at 10:42 AM ----------

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Buddy, you're not going about this the right way. That cast crank will make it to MAYBE 550 horse, and those cast I-beams are useless! Jist soend the $2, 200 and get a forged crank, with forged manley pistons and forged h beam rods.
AND it will be either a 4.75 or 5.0 stroker. Dont cheap out on your engine or you'll end up spending $1, 800 + taxes, shipping and such and then another $2, 000 on labor, just to have a rod or crank blow and put a hole in your block and then you will need to spend $4-5, 000 on a short block. Dont be dumb and do it right the first time.
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Old 11-06-2013, 12:10 PM   #6
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check the classifieds.... I just posted sometime you might be interested in
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2005 Promar Performance forged long block
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and and and I DRIVE IT LIKE I STOLE IT !!!!
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Old 11-06-2013, 07:05 PM   #7
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Buddy, you're not going about this the right way. That cast crank will make it to MAYBE 550 horse, and those cast I-beams are useless! Jist soend the $2, 200 and get a forged crank, with forged manley pistons and forged h beam rods. ---------- Post added at 10:44 AM ---------- Previous post was at 10:42 AM ---------- AND it will be either a 4.75 or 5.0 stroker. Dont cheap out on your engine or you'll end up spending $1, 800 + taxes, shipping and such and then another $2, 000 on labor, just to have a rod or crank blow and put a hole in your block and then you will need to spend $4-5, 000 on a short block. Dont be dumb and do it right the first time.
They are forged Manley I beam Rods & Forged pistons, only the crank was cast iron. & for the 4.75 stroker is forged crank, Forged Manley I-Beam rods & forged pistons. & found the same 4.75 stroker but with Manley H-Beam rods for 1900, it's on sale.

---------- Post added at 07:05 PM ---------- Previous post was at 07:03 PM ----------

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check the classifieds.... I just posted sometime you might be interested in
Seems badass! Just not liking the Chinese crank lol
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Old 11-06-2013, 07:08 PM   #8
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You might blow the stock 4.6 3v motor with the 175 the first time
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Old 11-06-2013, 07:11 PM   #9
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check the classifieds.... I just posted sometime you might be interested in
How long did you use it for? & how much power were you making with it?

---------- Post added at 07:11 PM ---------- Previous post was at 07:09 PM ----------

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You might blow the stock 4.6 3v motor with the 175 the first time

Lol probably. You think a 125 shot is pushing it?
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Old 11-06-2013, 07:38 PM   #10
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125 should be fine. Just make sure you have a good tune/ proper fuel mods
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Old 11-06-2013, 07:48 PM   #11
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Don't mean to thread jack but question.i know I've asked this before but since this job didnt come through I can't do my project car I'm keeping my baby(10gt)how much hp can the block itself?i know it'll better to buy a shortblock with everything but if the block itself is strong for around 550 then ill just buy forged internals and keep the stock block
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Old 11-06-2013, 11:23 PM   #12
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125 should be fine. Just make sure you have a good tune/ proper fuel mods

I'm taking my car to performance shop soon for a good tune. I don't have any fuel mods at all though. I got everything else, cai, intake manifold, Longtubes, throttle body & cams.
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