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

Speed Engineering LT1 Stainless Longtubes Now Available!!

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Old 06-28-2014, 12:12 AM   #81
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Would a ls1 knuckle help?
No clue, I am happy with grinding it down but some people might notbe, cause I guess it could hurt the strength of it.
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Old 06-28-2014, 08:59 AM   #82
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No clue, I am happy with grinding it down but some people might notbe, cause I guess it could hurt the strength of it.
Ls1 steering shaft allows room for headers apparently. I'm doing that upgrade because my rag joint is shot
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Old 08-05-2014, 01:37 PM   #83
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Any updates on whether or not these work with a Pacesetter Y-pipe? I'm considering buying a set of these. I apologize if this has already been answered
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Old 08-07-2014, 11:58 AM   #84
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Just saw these posts sorry.. Yes, I believe the PaceSetter Y-Pipe will work. For the annoying Y-Pipe issue the F-Bodies have, Mufflex also makes a kit that works to solve that issue. I am assuming it works for LT1's as well. Here is a link:

http://www.mufflex-performance.com/9...pter/61-y.html

Thanks
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Old 08-08-2014, 01:25 AM   #85
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Sub'd for when im back stateside!
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Old 08-08-2014, 08:45 PM   #86
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Sounds good. I'll definitely be ordering a set once a little bit more money comes in
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Old 08-08-2014, 09:05 PM   #87
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Just a update, these things are doing great!!! They have turned some pretty colors, took the car on a 12 hour day trip to the beach and no issues. These headers sound absolutely phenomenal with SLP LM1.
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Old 08-08-2014, 09:41 PM   #88
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Just a update, these things are doing great!!! They have turned some pretty colors, took the car on a 12 hour day trip to the beach and no issues. These headers sound absolutely phenomenal with SLP LM1.
Thats good to hear since ill be running the same setup once im home
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Old 08-10-2014, 11:04 AM   #89
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Damn wish they made something like this back when i still had my lt1. I just put some of their headers on my ls1 t/a though. Besides a terrible rub on my steering shaft even after taking a hammer to it ( new motor mounts would probably give a lot better clearance) and the y pipe clamp and bang issues, i love them. They sound so great with my hacked up stock exhaust (not sure what muffler was welded in but its got sound).
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Old 08-10-2014, 11:19 AM   #90
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Are your headers D shaped at the flange or a true 1 3/4 or 1 7/8 round diameter?

Will you ever offer a 2" for LS/LT?
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Old 08-11-2014, 11:45 AM   #91
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Nope, they are regular oval port matched flanges with 1 3/4" primaries. We offer an 1 7/8" in the LS headers, but no plans as of yet for 1 7/8" in the LT1's.

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Old 08-23-2014, 07:25 AM   #92
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Well, pulled the trigger on these just now, they will be waiting for me at a friends house when i leave japan in a little over a month and a half... curious about that remote controled cut out though as well...may be an extra addative still tosing that idea around anyways.
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Old 08-24-2014, 06:01 PM   #93
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Thank you for your order..

Sean
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Old 08-25-2014, 10:37 PM   #94
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Thank you for your order..

Sean
Why did they go from $430 to $800?

http://www.ebay.com/itm/360913798989

Wow man that's almost a 100% jump!

http://www.ebay.com/itm/261421372075

Just headers are $250 shipped???

Last edited by ThoR294; 08-27-2014 at 09:46 AM.
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Old 08-27-2014, 10:58 AM   #95
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That's an expensive Y-pipe
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Old 08-27-2014, 11:43 AM   #96
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That's an expensive Y-pipe
Quote:
We are currently on back order at the moment. We should have a small batch next week some time.

Thanks
Sean

Speed Engineering
5757 E. Clinton Ave
Fresno, CA. 93727
559-348-0200
WWW.SPEEDENGINEERINGLSX.COM
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Old 08-27-2014, 12:04 PM   #97
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Yes, sorry our Y-Pipes are on back order at the moment. We are in the middle of revising the design a bit. We should have a small batch next week, but our next full batch will probably be 3-4 months out.

Thanks
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Old 08-28-2014, 08:51 AM   #98
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Any possibility of building a set of LT's that will fit the 93 Z28 with the air injection fittings correctly positioned? ie: the passenger side threaded riser tube welded in the rear tube #8 rather than the front tube #2? The driver side position is the same so it needs no change.
Thank you
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Old 08-29-2014, 12:11 PM   #99
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We dont unfortunately. I believe Pacesetter offers an air/egr version, but not sure which primary they sit on.

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Old 09-04-2014, 11:51 AM   #100
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Have these headers been redone for fitment? They are good looking headers at a good price, but the OBX headers are not too much more and they are stepped headers from 1 3/4 to 1 7/8", and have 3.5" collectors. Even with that size collector, they need no hammering to make them fit correctly underneath the car, and they require no hammering whatsoever on the area near the steering knuckle. I have installed 3 different sets so far, and the only thing needed is the take the bolt out of the driver side motor mount to tilt the engine, and remove the starter to put on the passenger header. I haven't installed a set yet that rubbed anywhere. The driver side header will require you to run a shorter style oil filter, not the long ones. They are a great header, and I prefer them over a pacesetter or a hooker, seeing that I have ran all 3 brands.
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