LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Bottom end suggestions

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Old Apr 11, 2007 | 05:53 PM
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Default Bottom end suggestions

I am going over what I wanna do with my rebuild this summer. I plan on running either a comp XFI grind, or a custom BRE cam. Having the motor bored .030 over. I was looking for rebuild kits, and ran across the Summit kit. I plan on spraying a 150 shot on top of it, so here is my list of parts.

Kit - http://store.summitracing.com/partde...iew=1&N= 700+

I am going to subsititute the pistons for a Mahle PowerPak

Pistons - http://store.summitracing.com/partde...rsview=sku&Ns=

That brings the cost of the rebuild kit to about $900, I called and talked to them there at Summit.

Then for rods I plan on running these 6" Scat I-Beams

http://store.summitracing.com/partde...rsview=sku&Ns=

I plan on using all ARP hardware and having my stock crank polished. Think this will be good enough to handle about 350 on motor plus a 150 shot and upgrading the heads later on? Any input would be greatly appreciated!
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Old Apr 12, 2007 | 08:26 AM
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bump for enlightenment
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Old Apr 12, 2007 | 08:36 AM
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eagle 6" h beam forged rods are what alot of people use hear good thing about them
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Old Apr 12, 2007 | 08:43 AM
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Yeah I was thinking about the H beams, but as far as I was aware, I would have to notch the block to fit em.
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Old Apr 12, 2007 | 09:00 AM
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do a 355 stroker. use the stock crank get it cut, polished balanced, use the eagle h beam 6" rods get srp or speed pro forged pistons. get all arp bolts, bearings, etc and you got yourself a nice bottom end
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Old Apr 12, 2007 | 09:06 AM
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i didn't think a 355 was considered a stroker.
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Old Apr 12, 2007 | 09:17 AM
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Originally Posted by LT1MAN
i didn't think a 355 was considered a stroker.

if im correct 6" rods are longer than stock and stock crank would have to be cut which resulting in a bigger stroke
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Old Apr 12, 2007 | 08:50 PM
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i didnt think that 355's were strokers either, according to this build up, there was no crank work needed other than a bottom end balance job.

http://www.ellweinengines.com/Ellwei...Kit/355Kit.htm
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Old Apr 12, 2007 | 09:37 PM
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I thought a 6" rod on a stock crank would just lessen the rod angle in the bores and require a shorter piston to compensate for the longer rod...It won't increase displacement...In any event no matter what build you decide on I would over-build the hell out of the bottom end to take whatever you decide to throw at it...Good, high quality parts...I have a Callies, Oliver, JE combo that I've beaten on for 12 years with no issues...It wasn't cheap, but it doesn't owe me a dime now...and it just keeps getting faster...

--Alan
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Old Apr 12, 2007 | 09:41 PM
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by the way, none of the links in your first post are'nt working
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Old Apr 12, 2007 | 10:40 PM
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stock crank is not a stroker...just bc its 30 over, just means it a few more cubic inches..
if it were me id hold off on wasting money on some i beams and those pistons...wait till you want to go with a badass setup...put a 503 in your motor, spray it with 150...and start ordering parts to build your motor...maybe on 100 until you have paid for the crank/rods/pistons then up it to 150 as your putting the new motor together...

i think we know how fast a cam plus 125 shot on a stock motor could be.....it plain flat hauls ***
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Old Apr 12, 2007 | 10:47 PM
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355 is not a stroker
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Old Apr 13, 2007 | 12:32 AM
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Originally Posted by streetwarrior96
355 is not a stroker
where the hell did i get the idea if you put longer rods and cut the crank you get a bigger stroke. sorry for the false info my bad, but can you make a 355 stroker?
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Old Apr 13, 2007 | 12:36 AM
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3.75 crank with stock bore is a 3.77...so mayb if some1 made a 3.51 crank? that make near a """"""""""""""""""""""""""""""'355 stroker""""""""""""""""""""""""""""""""'"""""
who cares if its a stroker or not...stock cubic inch FTW!!!
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Old Apr 13, 2007 | 12:46 AM
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Daniel, I figured those Mahle pistons with some forged i-beams would be more than enough to handle what I want to throw at it, do you think it wouldnt hold up to a cam, 150 shot, and heads later on?

Glad you pointed out the links dont work, I guess I gotta go track down the pages again.
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Old Apr 13, 2007 | 03:49 AM
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355 ftw
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Old Apr 13, 2007 | 07:29 AM
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ya it will work, i just think later your goana wanna have a 383 with le3, and more than 150...
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Old Apr 13, 2007 | 11:16 AM
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Yeah your right, stock bottom end FTW!!!!
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Old Apr 13, 2007 | 01:31 PM
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idk its up to you, i know i would leave it how you have it now and spend that money on some nice eagle h beams/crank...and some nice pistons...the you can cam it and stuff...and you already have the parts for you new motor...at least something close to that...
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Old Apr 13, 2007 | 01:51 PM
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Yeah, I will prob just do a stock rebuild with a 306 on the motor I have sittin there and then save and build a nice 383 next summer out of my motor, or maybe go LS series in it.
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