how bad ddoes the lo3 suck?
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Junior Member
Joined: Dec 2001
Posts: 70
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From: san antonio
how bad ddoes the lo3 suck?
im looking to rebuild/ replace my engine this summer it has 170,000 miles on it. i know the lo3 is pretty much a crappy engine, the heads suck as do the cam and intake. is there anything that makes the block itself suck? if i were to rebuild i would use and lti cam, eldlebrock tbi intake, and some better heads. but what about my block? should i get a new one? im a poor college student so im on a limited budget....... 
Senior Member
Joined: Jun 2001
Posts: 609
Likes: 2
From: Pearland, Texas
Change the heads, cam, intake, and exhaust and the engine no longer sucks, then again its not an LO3 anymore really . There is nothing wrong with the block itself, although you may want to add better quality pistons and things like ARP rod bolts should you decide to shoot a little nitrous through your new mill.
. There is nothing wrong with the block itself, although you may want to add better quality pistons and things like ARP rod bolts should you decide to shoot a little nitrous through your new mill. 
Supreme Member
Joined: Jul 1999
Posts: 4,310
Likes: 1
the block and crank are the only good thing on it =) Check out www.corral.net If they can run high 12s NA on 16 valve 4.6L so can your 5.0L.
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tyeo098
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