installing a 4" downpipe, ??
Fleet Owner
Joined: Aug 2004
Posts: 20,419
Likes: 197
From: AZ
x2 on what the nice man with the cute puppy said. I put in a 3 1/2 DP and it took me all day with a porta power laying in the snow. I used boards between the head and firewall and between the trans and firewall. I don't think I would do it again. If you have a body lift I heard its easier.
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Senior User
Joined: Nov 2009
Posts: 199
Likes: 0
From: Kendallville
i decided to drill a hole in the floor and put a bolt through it. i attached a large sliding hammer to that. i drilled like 4 holes and pulled it back. i also did a 3" lift. its a b*tch, lol. it took 30minutes to do and 2 hrs to make my lift blocks
Senior User
Joined: Apr 2003
Posts: 415
Likes: 0
From: Jerseyville,IL
A 3 foot 2x4. Wedge it in there and push on it with you feet, then take a big hammer and knock the heck out of it. This was for a 3 1/2 in pipe. I got it in and it touched the firewall, made a horrible resonating sound the cab. Had to remove and bend the firewall some more.
Hotshot
Joined: Jul 2008
Posts: 11,231
Likes: 130
From: Thomasville, GA
I have a 3" body lift, plenty of room as far as cab clearance, not sure it would clear my tranny lines...
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Senior User
Joined: Nov 2009
Posts: 199
Likes: 0
From: Kendallville
with my 71mm phat shaft turbo makes it more difficult becuz the exhaust is a little more toward the left side of the truck
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Hotshot
Joined: Jun 2007
Posts: 10,008
Likes: 7
From: Austin, TX
I'm assuming your using an H2E kit or similar to mount the turbo? with the H2E style kits, it positions the turbo straight across. There are some other kits that position the turbo at an angle to make hooking up the exhaust easier.
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