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Also known as the Grand Sport.

A one year special. 1000 were made to honor both the end of the C4 and the original racers, called Grand Sports, fr...
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4 Bolt Main Corvette Block versus Splayed Caps 2bolt LTx

Subject: 4 Bolt Main Corvette Block versus Splayed Caps 2bolt LTx
by biggrizzly on 2010/9/27 22:26:05

I'm considering just buying a built performance shortblock and selling my old block after the R&R if its worth anything at that time. The shortblock I'm considering has a fully blueprinted and race prepped block with ARP main studs, Mahle powerpack forged piston kit, Scat stroker I beam rods with 7/16 ARP capscrews, Scat 9000 series cast crank, and ACL bearings. However, it is not a four bolt corvette block. The builder uses standard 2 bolt LT1 blocks and installs splayed main caps which he told me are stronger than the 4 bolt caps. I have read this before, but wanted to get your opinion.

I'm also going to change my cam from the current grind that Brett Bauer specified for the 350 and put a different cam for the increased displacement of the 383.
Lloyd Elliot sent me an email this morning and said these two could be good choices with my LE2 heads.

A 218/224 .570/.565 111 LSA would work great in the 383 if you want something comparable to the way the cam you have works in a 350.

A 224/230 .573/.568 112 LSA cam would work great if you want something a hair more aggressive (but still VERY drivable)

What do you experienced engine Gurus think?
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