Tune up!
Thread Starter
Teching In
Joined: Feb 2005
Posts: 13
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From: Garner North Carolina
Tune up! Hey guys im debating on whether to rebuild or swap my LT1 for an LS1. But until then I would like to increase the performance some and tune up the LT1 as is. With 110k on the clock I am getting ready to replace the rear main seal and fix this bad oil leak and probably purchase a 160 degree thermostat to get the Z in shape. But I don't think the car has had a good tune up in God knows how long. I purchased it 10k ago and since then I have changed the oil and filter one time. Plugs, wires, optispark and who knows what else may have never been touched. Once the oil leak is conquered I plan on flushing the system and filling it with synthetic and a better filter. And after that comes the tune up. Let me know what is involved and what all should be changed in doing a good tune up. Also throw some good names at me with prices. Thanks
TECH Apprentice
Joined: Nov 2004
Posts: 333
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From: Chitown
Originally Posted by 93ppmz6987
Hey guys im debating on whether to rebuild or swap my LT1 for an LS1. But until then I would like to increase the performance some and tune up the LT1 as is. With 110k on the clock I am getting ready to replace the rear main seal and fix this bad oil leak and probably purchase a 160 degree thermostat to get the Z in shape. But I don't think the car has had a good tune up in God knows how long. I purchased it 10k ago and since then I have changed the oil and filter one time. Plugs, wires, optispark and who knows what else may have never been touched. Once the oil leak is conquered I plan on flushing the system and filling it with synthetic and a better filter. And after that comes the tune up. Let me know what is involved and what all should be changed in doing a good tune up. Also throw some good names at me with prices. Thanks
U've only changed the oil one time in 10,000 miles?
Teching In
Joined: Feb 2005
Posts: 29
Likes: 0
110k on the clock i would not put synthetic in it. you will spin a bearing quicker anything. Buy a good set of headers. depending on but i go with hookers, kooks, or pacesetters. Underdrive pulleys. go with march or bbk or something like that. cold air intake kandn or moroso or some other brand. there are numerous bolt ons to do that are reuseable whenever you decide to rebuild your motor. stick to the fact that let the motor breath and then let it exhale. cold air intake and hedders and exhaust. then let it spin freely with a underdrive. the rest is things you wont to hold off on till you rebuild your motor really. the more you do to your car the quicker its gonna go boom especially with that mileage on it. basically save some money and go big on a rebuild. but hedders and cai are a must either way you go and install for both is only like 6 hours...any questions feel free to ask
Joined: Nov 2001
Posts: 10,023
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From: LT1 land...the "409" of the 90s!
LOL some of this makes me laugh sorry 
First and formost. How much money do you want to spend? If you get near the $5k range start looking for a LS1
If i did not already have all the parts for my new LT1 I would have put the money into converting my car to a stroker Gen-III
First and formost. How much money do you want to spend? If you get near the $5k range start looking for a LS1
If i did not already have all the parts for my new LT1 I would have put the money into converting my car to a stroker Gen-III
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LS1s also require you to modify the front frame of the car. Not worth extra work IMO. You will also need a new transmission and wiring harnass as stated before. For 5K just built a 383 or something similar and put down alot more power than the stock LS1.
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Thread Starter
Teching In
Joined: Feb 2005
Posts: 13
Likes: 0
From: Garner North Carolina
If you couldn't tell I am still learing ALOT and I am very new to all of this. So you are sure you wont spin a bearing? You say it made a huge difference... how so? Can you actually feel the difference?
Teching In
Joined: Feb 2005
Posts: 29
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i personally wouldnt do it i have seen it happen to many times...synthetic is for use on a new motor......besides if your motor leaks any oil it will intensify it 100 times over with synthetic. go ahead but i fore warn you
Synthetic WILL NOT cause you to spin a bearing. I have never heard of that. Synthetic WILL make the oil leaks worse. The detergents in them will break apart the clumps and build up that have stopped leaks, but you engine will be cleaner lol.
