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SVTPerformance's Chain of Restaurants
Road Kill Drive-Thru
01 cobra vs 2000 camaro SS? who do you think would win
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<blockquote data-quote="tt335ci03cobra" data-source="post: 12691010" data-attributes="member: 68944"><p>Yup. That's the point. Completely stock longblock modulars can handle 1000hp, 5.3's can't though contrary to his story about 15psi turbo 4.8&5.3's embarrassing 4v sc cars...sc vs turbo is also a logical fallacy.</p><p></p><p>And the 1000hp turbo 5.3 in superchevy had ported heads, lifters, springs, cam (2 cams actually, second cam was a 286xh! Good luck streeting -5 vacuum at idle, cool sound/romp though.) as well as a complete FAST unit, no accessories save a water pump/essentials, forged stroker 383 internals, then a turbo. </p><p></p><p>Unless I read the wrong 7 part series, I didn't see a stock 4.8 or 5.3 make much more than 616hp on stock internals with a 125shot. I'm upto part 4, and so far I feel "ignorant" that I'm wasting my time reading how a built 5.3 can make 1000hp... I already knew that. Nice article though. The block is strong enough for 1000hp, that's nothing special these days though, the longblock definitely wasn't. They changed head gaskets and studs before even making 360hp (they didn't need to but had already torn the block apart to inspect it, fair move/wise decision) but we don't even know if it would have had a gasket failure at 493hp let alone 616 with the 125 shot... Just saying so far I'm not sold on it being anything more than a great budget block that you can get for $300-700 at most wrecking yards. For boost it'll need internals though.</p></blockquote><p></p>
[QUOTE="tt335ci03cobra, post: 12691010, member: 68944"] Yup. That's the point. Completely stock longblock modulars can handle 1000hp, 5.3's can't though contrary to his story about 15psi turbo 4.8&5.3's embarrassing 4v sc cars...sc vs turbo is also a logical fallacy. And the 1000hp turbo 5.3 in superchevy had ported heads, lifters, springs, cam (2 cams actually, second cam was a 286xh! Good luck streeting -5 vacuum at idle, cool sound/romp though.) as well as a complete FAST unit, no accessories save a water pump/essentials, forged stroker 383 internals, then a turbo. Unless I read the wrong 7 part series, I didn't see a stock 4.8 or 5.3 make much more than 616hp on stock internals with a 125shot. I'm upto part 4, and so far I feel "ignorant" that I'm wasting my time reading how a built 5.3 can make 1000hp... I already knew that. Nice article though. The block is strong enough for 1000hp, that's nothing special these days though, the longblock definitely wasn't. They changed head gaskets and studs before even making 360hp (they didn't need to but had already torn the block apart to inspect it, fair move/wise decision) but we don't even know if it would have had a gasket failure at 493hp let alone 616 with the 125 shot... Just saying so far I'm not sold on it being anything more than a great budget block that you can get for $300-700 at most wrecking yards. For boost it'll need internals though. [/QUOTE]
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SVTPerformance's Chain of Restaurants
Road Kill Drive-Thru
01 cobra vs 2000 camaro SS? who do you think would win
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