Dynatech header installation help!
#1
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Dynatech header installation help!
Hey guys I'm installing Dynatech LT's on my '93 formula and I was wondering where I can get a Y-pipe that will fit these headers? Do I have to get one made?
Any help is appreciated
Any help is appreciated
#4
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From: Wisconsin
Nope Dynatech doesn't make a Y pipe for these headers. You will be good to go with any generic Y pipe as long as it is made for LT headers. Fwiw, I've got dynatechs on my 93 z28 and I'm going to buy a cheapo ebay Y pipe and weld it up.
#5
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Have an exhaust shop reduce it down to 2 1/2 at the collector and take 2 pipes over to the stock location for the Y. Y pipes cause Rasp, If your not going to run cats then don't go with a Y pipe. Go with what I said above send it to a magnaflow X and run 2 1/2 back over the axle and into a magnaflow cross flow muffler. Or at least take it to a magnaflow Y in the stock Y location. They cause less rasp. Here is what a member did. https://ls1tech.com/forums/lt1-lt4-m...cs-inside.html
#6
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Have an exhaust shop reduce it down to 2 1/2 at the collector and take 2 pipes over to the stock location for the Y. Y pipes cause Rasp, If your not going to run cats then don't go with a Y pipe. Go with what I said above send it to a magnaflow X and run 2 1/2 back over the axle and into a magnaflow cross flow muffler. Or at least take it to a magnaflow Y in the stock Y location. They cause less rasp. Here is what a member did. https://ls1tech.com/forums/lt1-lt4-m...cs-inside.html
#7
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This was my other idea also, if they have to bend it a little bit oh well.
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#8
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I am not 100% on this but with dynatech headers I think the driver side comes down straight back while most headers come down at an angle out to the drivers door sort of. again I'm not 100% on this but I belive I read that on here a while ago. Might check up on that before ordering any Y pipe for it.
#9
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How did your collectors work on your headers? Do they seal just fine with those U-brackets?
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Yep my collectors have the little loops on them, you draw a nut/bolt through and pull them onto the headers. They were a PITA to tighten all the way down, a lot of hammering from the end of the pipe and just not very much room to work with the wrench, but they sealed up real nice and I have no issues so far.
#11
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Yep my collectors have the little loops on them, you draw a nut/bolt through and pull them onto the headers. They were a PITA to tighten all the way down, a lot of hammering from the end of the pipe and just not very much room to work with the wrench, but they sealed up real nice and I have no issues so far.
#12
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I am not 100% on this but with dynatech headers I think the driver side comes down straight back while most headers come down at an angle out to the drivers door sort of. again I'm not 100% on this but I belive I read that on here a while ago. Might check up on that before ordering any Y pipe for it.
#13
You'll need a custom Y. pacesetter and similar type Y's are not anywhere close to fitting. I tried a couple different Y-s on the back of dynatechs and it was obvious it wasn't worth starting with an off the shelf Y. i used to have pics of the attempts to bolt the other Y-s on but I can't find them right now.
Last edited by Fbody4Ever; 01-22-2011 at 02:46 AM.