LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

LS1 headers on LT1?

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Old 04-08-2008, 05:46 PM
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LS1 headers on LT1?

Will it work? Looking at some flowtech longtubes and want to put them on my 95 z28
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Old 04-08-2008, 05:49 PM
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doubt it...port sizes are different
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Old 04-08-2008, 05:54 PM
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NO wrong flanges.
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Old 04-08-2008, 05:55 PM
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Won't work. Not even close.


LS1 header flange.



LT1 header flange



Note the difference in the center primaries.

Last edited by shock6906; 04-08-2008 at 06:06 PM.
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Old 04-08-2008, 06:02 PM
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Have you even seen the difference between the cylinder heads? But answer is no, ls1 headers will not work on an lt1. Why is it you want ls1 headers anyways?
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Old 04-08-2008, 06:04 PM
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Nope wont work. LT1's have D-shaped ports and LS1's have round ports. Bolt hole locations are different also.
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Old 04-08-2008, 06:17 PM
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Originally Posted by GreasyB
Have you even seen the difference between the cylinder heads? But answer is no, ls1 headers will not work on an lt1. Why is it you want ls1 headers anyways?
He most likely found some headers at a pretty cheap price and wants to know if it will work. I can understand though, because there are some parts that are interchangeable between cars, or can at least work with minimal modification. But in this case, there is absolutely no way to do it. I'm sure my previous post will make it pretty easy for him to tell that it won't work.
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Old 04-08-2008, 09:27 PM
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well i guess that is a resounding no. Before i bough my car there were used LT headers all over this site for LT1's but now i cant seem to find any for a decent price. Oh well thanks guys.
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Old 04-08-2008, 09:30 PM
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Originally Posted by MTBSully
well i guess that is a resounding no. Before i bough my car there were used LT headers all over this site for LT1's but now i cant seem to find any for a decent price. Oh well thanks guys.
keep searching......they show up all the time. I saw some earlier today...also someone has kooks on sale...they are some of the best you can get. But expensive
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Old 04-09-2008, 02:54 AM
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Originally Posted by MTBSully
well i guess that is a resounding no. Before i bough my car there were used LT headers all over this site for LT1's but now i cant seem to find any for a decent price. Oh well thanks guys.
I have some in the FS section no one bought...they are hookers too...keep watchin they are in there.

-Dustin-
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Old 04-09-2008, 09:35 AM
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Originally Posted by Crows89RS
try it and tell us how it works! very interested! A+++++++++++
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Old 04-09-2008, 04:27 PM
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i luv ^that^ avator lol
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