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

Exhaust band clamps

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Old Jul 22, 2005 | 11:39 PM
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GMH94Z28's Avatar
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Exhaust band clamps

I am fixing to install pacesetter LT and OYP and was wondering which band clamps to use and how many and what do i use for the y pipe 3" to the stock diameter exhaust? Thanks in advance
Old Jul 22, 2005 | 11:59 PM
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Re: Exhaust band clamps

I used a 3" stainless band clamp from thunder for the y pipe to i-pipe (rest of exhaust). It was around $10

I used the regular 3" exhaust clamps on the rest of the connections.
Old Jul 23, 2005 | 12:00 AM
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Re: Exhaust band clamps

Napa Auto parts. 8.99 for 3 inch band clamps. real good quality.
Old Jul 23, 2005 | 12:02 AM
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Re: Exhaust band clamps

Thanks for the reply but i thought the y pipe was 3" and the stock exhaust was 2.75". Thanks
Old Jul 23, 2005 | 12:16 AM
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Re: Exhaust band clamps

Your right, I was also wondering about the step-down.

Link
Old Jul 23, 2005 | 12:20 AM
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Re: Exhaust band clamps

Sorry, I used a corsa exhaust with my new headers....
Old Jul 23, 2005 | 09:34 AM
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Re: Exhaust band clamps

I am looking on the summit racing web site and i see all of the dynomax clamps but i am not 100% sure which ones i need (lap-joint but-joint) any help would be appreciated. Thanks
Old Jul 23, 2005 | 09:37 AM
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Re: Exhaust band clamps

Sorry i think i figured it out, as far as the but-joint and lap-joint. I would still like to know how you guys ran yours. Thanks
Old Jul 23, 2005 | 09:46 AM
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Re: Exhaust band clamps

I am installing pacesetter LT's with their ORY pipe. You need 3 of those dynomax "Lap-joint" clamps. 2 will bolt your header collector to the Y-pipe and one connects the 2 pieces of the y-pipe together. Now the "butt-joint" clamp is for any spot that you will need to connect two pipes that are they same size and wont "slip" over eachother. I bought 3 of those also to use for my SLP Loudmouth where they just gave me regualar clamps. I just got mine from summit...the part #'s are...

3" "Butt-Joint" Clamp - WLK-33278 $8.50
3" "Lap-Joint" Clamp - WLK-33272 $8.50

Hope that helps, if you guys need pics I can try to take some of my system off the car before I put it on. But I am having major problems with a AC lline that is touching the damn header #2 primary prob going to heat it and bend that sucker out of the way hahaha

Chris
Old Jul 23, 2005 | 09:53 AM
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Re: Exhaust band clamps

Chris what do i need to get to go from the 3" ypipe to the 2.75" stock exhaust? Thanks
Old Aug 10, 2005 | 10:41 PM
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Re: Exhaust band clamps

Thanks for all of the replies but i still don’t understand what clamp to use to connect the pace setter oyp to the stock exhaust. Maybe i am misunderstanding but i thought the oyp is 3" and the stock exhaust is 2.75" can i just use a 3" slip joint exhaust clamp there as well? Thanks and sorry for the dumb questions
Old Aug 11, 2005 | 07:04 PM
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Re: Exhaust band clamps

sorry to say, but the connection will never be good between a 2.75" pipe and a 3" pipe.

i had the same problem when i installed my pacesetter headers & y-pipe, and the best solution i could come up with was getting a short 3" extension pipe, putting it on the y-pipe, and then clamping it over the 2.75" exhaust pipe with multiple exhaust clamps.

even with the maximum crimp you can achieve with the exhaust clamps, there is still a small gap between then y-pipe and the exhaust pipe. a band clamp will not work at all in this situation.

i had the idea to torch my extension pipe to soften it up and then crimp it down, but when i got the car up on ramps and saw how little room was under there i gave up.

summit and jegs dont really have any parts that could work as the best thing i saw that they have is a reducer that goes from 3" to 2.5", some kind of cone shaped job. i never tried it, after spending almost 100 dollars doing my exhaust the "cheap way" i decided to just deal with the leaks for now and save up for an exhaust shop.

i'd suggest either taking it to an exhaust shop and seeing what they want to weld it up, or buying a new catback.

or just get duals!
Old Aug 11, 2005 | 08:03 PM
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Re: Exhaust band clamps

Thanks for the reply but i would like it to be clamped that way if i wanted to take it off for some reason i could. Thanks again
Old Aug 11, 2005 | 08:11 PM
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Re: Exhaust band clamps

Originally Posted by GMH94Z28
Thanks for the reply but i would like it to be clamped that way if i wanted to take it off for some reason i could. Thanks again
Well, even if you have it welded, a reciprocating saw can cut the pipe straight and cleanly if you ever need to take it off for whatever reason. A weld is definitely the way to go if you want a solid seal.
Old Aug 11, 2005 | 08:22 PM
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Re: Exhaust band clamps

I guess you have a point there. I might just go that route. Thanks



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