How much hp are stock rods good for??
03-27-2006, 09:09 PM
#1
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Location: Edwardsville,IL,USA
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How much hp are stock rods good for??
LT1 Looking to build a steel crank, D1sc blower,mild cam, 355, with relatively high compression - may go w/ E85, & 10:1. How much will stock rods take?
03-28-2006, 05:14 AM
#2
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Re: How much hp are stock rods good for??
I see everyone is stealing my idea now... 
As to the rods, the stock ones are stronger than they get credit for, but I wouldn't use them in that app.
I think GM claims they are good to 450hp and I would be comfortable using them well past 500 (flywheel), BUT... if you do a blown E85 engine and you do it anywhere even NEAR right, you'll be WTF (Way The F___) past the rods limits.
As to the rods, the stock ones are stronger than they get credit for, but I wouldn't use them in that app.
I think GM claims they are good to 450hp and I would be comfortable using them well past 500 (flywheel), BUT... if you do a blown E85 engine and you do it anywhere even NEAR right, you'll be WTF (Way The F___) past the rods limits.
Last edited by LameRandomName; 03-28-2006 at 07:33 AM.
03-28-2006, 06:18 PM
#8
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Re: How much hp are stock rods good for??
I looked into that with my PM rods, by the time you buy rod bolts, pay to have them pressed in and resized, you have enough into them to just buy a new set of aftermarket rods and sell the old ones.
03-28-2006, 06:23 PM
#9
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Re: How much hp are stock rods good for??
Originally Posted by 12Second3rdgen
I looked into that with my PM rods, by the time you buy rod bolts, pay to have them pressed in and resized, you have enough into them to just buy a new set of aftermarket rods and sell the old ones.
Depending on what your machine shop charges, thats just good enough to buy a set of the Eagle econos. They are only rated to 500 and it wouldn't be an upgrade because then its a lil more for the upgraded rodbolts.
I was going to get new rods, but ended up just getting some ARP rodbolts instead since my machine shop just resized the rods for me for free. If I had to pay around 400 to get the work done, then I would have definatley gotten some better rods, just not the Eagle cheapies.
03-28-2006, 10:07 PM
#10
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Location: Edwardsville,IL,USA
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Re: How much hp are stock rods good for??
Thanks for the feedback!
Any econo recommendations for +- 575hp rods,
ps, how big cc's should head intake ports be on aftermarket heads to flow 575hp on 10psi boost, twin high flow i/c's, 355 lt1? 190,200,210,+
I'm under impression stock or lt4 heads may flex & blow head gaskets.
Any econo recommendations for +- 575hp rods,
ps, how big cc's should head intake ports be on aftermarket heads to flow 575hp on 10psi boost, twin high flow i/c's, 355 lt1? 190,200,210,+
I'm under impression stock or lt4 heads may flex & blow head gaskets.
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