Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Old Jan 7, 2005 | 02:42 PM
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Default weld up header kits

Can someone point me in the right direction for a good weld 'em up header kit. I looking for just steel but want to go full length. Thanks
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Old Jan 7, 2005 | 03:02 PM
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i know 99xtremelover got a full kit for his s-10...when i get home I'll post the link.
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Old Jan 7, 2005 | 05:15 PM
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What kind of car? If it's a GM and you're trying to put in an LS1 try http://www.schoenfeldheaders.com/index.htm and use the Ford 351 headers for a GM chassis and weld the tubes to an LS1 header flange.
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Old Jan 7, 2005 | 07:13 PM
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http://www.headersbyed.com/
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Old Jan 7, 2005 | 08:18 PM
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yeah for a 66 nova with an LS1. I saw some things on this before but I couldn't find it anymore. Thanks
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Old Jan 8, 2005 | 10:27 AM
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I'm in the process of doing a kit for the 62-67 chevy2s. We will be offering headers, mounts and oilpans to clear the factory steering. I'm about 2 weeks out on the final prototypes.
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Old Jan 8, 2005 | 10:35 AM
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Here's a Car Craft tech article using a Headers by Ed kit.

If you decide to go stainless, check out Stainless Works (they are a sponsor here).

John Parsons
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Old Jan 10, 2005 | 12:24 PM
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Originally Posted by John B
What kind of car? If it's a GM and you're trying to put in an LS1 try http://www.schoenfeldheaders.com/index.htm and use the Ford 351 headers for a GM chassis and weld the tubes to an LS1 header flange.
Do the 351 SBF headers have the same port to port spacing as the LS1 flange, or is some tweaking required?

Andy1
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Old Jan 10, 2005 | 12:29 PM
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the current "in" thing to do as far as ive read, is to get headers ment for your chassis, then tweek the ends to meet the LS1 flanges.

like here:
http://www.thirdgen.org/techbb2/show...hreadid=270765
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Old Jan 10, 2005 | 01:13 PM
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Do the 351 SBF headers have the same port to port spacing as the LS1 flange, or is some tweaking required?
Extremely close to where there would be minimal if any tweaking req'd.
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Old Jan 11, 2005 | 11:49 AM
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Originally Posted by troutdog
yeah for a 66 nova with an LS1. I saw some things on this before but I couldn't find it anymore. Thanks
I just finished my jigs for '66/'67 C-II LS1 headers - using the stock suspension. It's all a TIGHT fit, but they should work well. 1.75" primaries and 2.5" 'tube' collectors.

If you have the stock suspension and firewall in tact, it will be difficult if not impossible to do LT's. I couldn't get a 3" pipe in between the tranny/motor and frame-rail(on the passenger side), let alone 4 1.75" tubes together - which is why my headers have a 2.5" collector.

https://ls1tech.com/forums/showthrea...2Acollector%2A
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Old Jan 11, 2005 | 01:12 PM
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GM Part # for LS1 flanges is 12480130
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Old Jan 12, 2005 | 03:41 PM
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www.mcmaster.com/
page 11 - all stainless elbows, reducers, . they are in "pipe" size but 1 1/2 pipe is 1 7/8 o.d.
they are way cheaper than tube elbows (they also have them). schedule 10 is the thinner, but its still about .109 thick. $4.96 for a stainless elbow is pretty cheap. Also being a little thicker its not as prone to cracking from heat and stress.

Last edited by pwrtrip75; Jan 12, 2005 at 03:46 PM.
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Old Jan 16, 2005 | 01:22 PM
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Hey Lane I think i would like to try a pair of your headers. I have a Wayne Due front clip for my 66' and right now I have the motor and trans all mocked up. I know what yuor saying about the pass. side and the driver side has to get the steering shaft down to the rack. Thanks Justin
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Old Jan 20, 2005 | 07:05 AM
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Default 66 nova LS1 Headers

Originally Posted by Lane
I just finished my jigs for '66/'67 C-II LS1 headers - using the stock suspension. It's all a TIGHT fit, but they should work well. 1.75" primaries and 2.5" 'tube' collectors.

If you have the stock suspension and firewall in tact, it will be difficult if not impossible to do LT's. I couldn't get a 3" pipe in between the tranny/motor and frame-rail(on the passenger side), let alone 4 1.75" tubes together - which is why my headers have a 2.5" collector.

https://ls1tech.com/forums/showthrea...2Acollector%2A
Lane, What motor mounts did you use with these headers? I am using the S&P mounts. Will this affect the fit of your headers?
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Old Jan 20, 2005 | 08:02 AM
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You can get 3" collectors and tubing under the car. The longtubes are a pain but they fit with the stock frame. I will have some progress pics up soon.
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Old Jan 20, 2005 | 08:44 AM
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Originally Posted by MADMAN
You can get 3" collectors and tubing under the car. The longtubes are a pain but they fit with the stock frame. I will have some progress pics up soon.
Under the car yes, but getting to that point from the engine compartment is - as you well know - the fun part.. I can't wait to see your pics. The kit sounds great!

Oldnovaguy - This particular customer had some off-brand mounts that we ended up using. I had trouble with the S&P mounts - not wanting to work - on this car... However - after I first built the headers, I later tweaked them to work around S&P mounts as well. Knowing most people are going to use them, or that style mount. That was on an engine stand though.. I'm pretty sure that the mounts I used place the motor very close if not in the exact spot the S&P ones would have.

Someone will just have to try them. I would take them back if they didn't work of course.
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Old Jan 20, 2005 | 03:21 PM
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I would like to try someone's headers. I have a 66' with a wayne due front clip, LS1 and six speed, with BRP engine and trans mount. I have the engine and trans in the car, I'm working on my trans hump now. But I would like to get the exhaust squared away next. Let me know what you guys can do. Thanks Justin
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