LT1-LT4 Modifications 1993-97 Gen II Small Block V8

LT Header Install

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Old 04-17-2007, 05:25 PM
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Default LT Header Install

I have a set of Jet-Hot LTs on the way and have a few questions that I couldn't find answers for. I'm pretty sure that I'm going to use 1" stainless ARP header bolts. I've narrowed my gasket selection to either the Felpro 1406 or the Mr. Gasket Copperseals. Where is a good place to buy O2 extensions? I'm not sure whether 12" O2 extensions are long enough, or if I need the 24" extensions. Also, I can't remember if there is an alternator bracket that bolts to the stock manifolds. If there is, can it be bolted to the headers, or do I need some sort of spacer? Finally, does the stock oil dipstick tube still work or are there any modifications that have to be done there.

Thanks
Andrew
Old 04-17-2007, 05:33 PM
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they r alterntor bolts on the manifold and its a bitch to get back on. i left mine off u got 4 alternator bolts on it. so u can do without that one. yes the stock d[pstick works fine. i made my on 02 extensions its pretty easy. and have fun putting the LT on its a bitch
Old 04-17-2007, 05:57 PM
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my LT's went on like a piece of cake. I agree with travis on the alternator bracket - I didn't use the one that goes to the header bolt... there are plenty of other bolts holding on to the alternator in my opinion. I wouldn't spend money on O2 extensions - it's very easy to splice wire in - plus you get them just the right length you want them.
Old 04-17-2007, 08:48 PM
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Thanks for the advice. I can't wait to get everything back together.
Old 04-17-2007, 08:54 PM
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you will like the LT it picked my car up 3 tenths in the 1/8
Old 04-17-2007, 10:06 PM
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use the copper seals. remove altenator starter dipstick and ANYTHING in the way. moving the A/C compressor forward helps too. Remove the steering elbow on the driver's side.
Old 04-17-2007, 10:35 PM
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don't use copper seals. i used them on my car any they leaked like crazy, my headers were used but i ordered a set of Percy's seal for good gaskets and they are great no leaks at all with them. recommend them 100 %
Old 04-17-2007, 11:00 PM
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Originally Posted by knightrider95
don't use copper seals. i used them on my car any they leaked like crazy, my headers were used but i ordered a set of Percy's seal for good gaskets and they are great no leaks at all with them. recommend them 100 %
i agree percys are great and reusable.
Old 04-17-2007, 11:36 PM
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what about napa OEM metal gaskets?
Old 04-18-2007, 01:55 AM
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I have OEM gm gaskets,im installing my lts and whatnot this weekend so il let you know how they work



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