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Ya Think?! 
Got some bad new..
Thread Starter
Instructor
Joined: Apr 2013
Posts: 222
Likes: 3
From: Ottawa Ontario
Got some bad new..
So I had my 96 in the shop last week for some starting issues and I was pretty sure there was other stuff wrong. And it had been true. my barrings looked like cracked pancakes, and possibly damaged crank. I am trying to get her back on the road and don't know the best way to do it without spending to much money. Any suggestions on if i should pull it and try rebuilding whatever it needs done. Or just trying to find a new lt1? it is supercharged so if I was going to rebuild I'd want to do all forged bottom end. If I buy new I might just run a low safe boost.. any suggestions would be amazing 
Thanks guys.
Thanks guys.
Team Owner
Joined: Oct 2004
Posts: 81,241
Likes: 3,063
From: altered state
St. Jude Donor '05
Cant say as a youngster that tossing in some bearings on a crank that didnt look so hot didnt get me down the road. Probably not the smartes thing but when youre young dumb and broke. Once didnt get so lucky but it was knocking before hand and knew it was a big chance.
If you got the funds go through it right otherwise risk some labor/parts and cross your fingers. Its so much work to do though easier to just pull it out and start over.
If you got the funds go through it right otherwise risk some labor/parts and cross your fingers. Its so much work to do though easier to just pull it out and start over.
Team Owner
Joined: Dec 1999
Posts: 34,873
Likes: 487
From: Lacey WA RVN 68-69
NCM Sinkhole Donor
Certainly time to do a complete rebuild. You didn't say how much boost you are running now, but I agree that a forged crank would be a good idea and add a set of high quality pistons and rods. Find a machine shop that has experience with blower motors and discuss what your goals are for your rebuild.
Making sure the clearances are right for a blower motor is key to a long life. Along with high quality parts. With the engine apart, consider some head work too. And with new pistons, think about a displacement increase; good time to up to 383 cid.
Making sure the clearances are right for a blower motor is key to a long life. Along with high quality parts. With the engine apart, consider some head work too. And with new pistons, think about a displacement increase; good time to up to 383 cid.
Team Owner
Joined: Sep 2003
Posts: 20,179
Likes: 673
From: Freedom is never more than one generation away from extinction.
St. Jude '03 thru '24
Melting Slicks
Joined: Jan 2009
Posts: 3,482
Likes: 196
From: folsom california
man those are oiling issues; put together an all forged lower end and you change nothing until you can figure out hoe to get sufficient lube to the crank and then to the rods.
Back when NASCAR required stock engines in stock cars, larger oil pumps were the norm, the cranks were cross drilled so that oil was delivered to the rod journals all 360 degrees of the crank rotation, and the oil holes in the top half of the crank bearings were drilled larger to match the oil channel in the block / main bearing saddle. Every effort was made to eliminate any restriction in the oil system including reaming out the internal oil passages in the block.
good luck with your supercharger and forged lower end, but I'd spend my moneyto maximize the oiling system before I worried about anything else.
Back when NASCAR required stock engines in stock cars, larger oil pumps were the norm, the cranks were cross drilled so that oil was delivered to the rod journals all 360 degrees of the crank rotation, and the oil holes in the top half of the crank bearings were drilled larger to match the oil channel in the block / main bearing saddle. Every effort was made to eliminate any restriction in the oil system including reaming out the internal oil passages in the block.
good luck with your supercharger and forged lower end, but I'd spend my moneyto maximize the oiling system before I worried about anything else.
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