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

355 Winter build plans

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Old Oct 26, 2011 | 11:56 AM
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Default 355 Winter build plans

So a rod bearing went after autocross last weekend. This winter im planning on doing a 355 with a stock crank, H beam rods and (i think it was) speed pro pistons. My heads are gasket matched so i was going to buy this cam off my brother and he said he thinks the lift was around .580-.590. Then ill buy some stronger pushrods and swith the 1.6rr comp magnums for some comp magnum rs. Im in the process of installing a 4.10, adj lcas and panhard bar, and a lighter flywheel. I have full bolt ons, a 58 mm tb, cai, pacesetter longtubes, a y pipe, and a 3 in cat back. Anyone have any comments or suggestions, or an idea of the kind of horsepower ill make?
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Old Oct 26, 2011 | 11:57 AM
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Or even go for a bigger cam?
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Old Oct 26, 2011 | 06:16 PM
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Stock heads ? That plenty big
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Old Oct 26, 2011 | 08:07 PM
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They have been gasket matched
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Old Oct 26, 2011 | 08:19 PM
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Originally Posted by Snkebait95
They have been gasket matched
Gasket match does nothing. So I have heard...
if this makes sense...
/ \. Intake
\ / head
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Old Oct 26, 2011 | 08:39 PM
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Yes ive heard of that too. But they already are so big deal ill live
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Old Oct 26, 2011 | 08:42 PM
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They were opened up as far as the bit would go. Idk if thats what everyone was still thinking or not
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Old Oct 26, 2011 | 09:22 PM
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To clear things up we followed this - http://www.chevyhiperformance.com/te...ing/index.html

But enough about the heads...
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Old Oct 27, 2011 | 12:02 AM
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Sorry about all the posts but im on my phone and cant edit them... Also my goal is mid 12s or better, and for my motor not to break after a lot of autocross! Are these goals realistic?
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Old Oct 27, 2011 | 07:15 AM
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Goals are absolutely realistic, with that big of a cam and some good driving you should see 11s.
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Old Oct 27, 2011 | 02:59 PM
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I'd guess 340-350 rwhp if tuned properly.
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Old Oct 30, 2011 | 12:27 PM
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I have the cc503 in my car now. Ive heard that is the biggest cam you want to go on stock heads. Is this entirely true? I know mine are just gasket matched so i dont really know how much better they flow if any at all. But i am pretty set on buying a bigger cam like i stated above. Im just trying to go as fast as i can with a 355 and cam. Any objections or suggestions?
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Old Oct 30, 2011 | 12:28 PM
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Oh and the cam i want to buy off my brother is a comp. I think its an xfi if that helps. I wont know exactly what it is until he pulls it out.
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