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Thread: Lm7 swap help

  1. #11
    I used TD part number 4592 which was supposed to solve that problem.

  2. #12
    Copy of Lisa's tahoe from street and performance and trans dapt motor mount adapters are supposed to solve this issue i just crawled under truck and its about an inch i measured iam going to be so pissed if these are wrong motor mount adapters trans dapt part number 4592. it was alot of work to get that motor in and i had borrowed cherry picker wich i have returned. In street and performance write up it all bolts up like butter. Iam ready to set fire to mine, spent 2hrs trying the long bolt trick yesterday and stripped a bolt, grip-tite socket set fixed this got bolts out today. going to call street and and performance for some help in am if i dont find it here. drill new holes in frame and get and custom drive shaft will piss me off. again i think i need to have a gas and match accident i spend money on something that runs and drives...

  3. #13
    Join Date
    Feb 2009
    Location
    baytown, tx
    Posts
    66
    lol slow down hotrod. just give them a call in the morning an see what they say. post up what you find so no one else has this problem with there swap.

  4. #14
    The problem solved I have wrong motor mounts on their trans dapt part number 4592 is not a 1 inch set back set I need trans dapt part number 4575 for a set of motor mounts to move block back 1 inch. Oh joy i get to pull motor back out and swap out motor mounts lucky me. Anyone know of a company that sells these cheaper than trans dapt they go for 56 bucks from summit.

  5. #15
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    swap the mounts out with the engine in the truck.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  6. #16
    Im not seeing motor mounts you used. Can I unbolt motor and jack up from under neeth and swap mounts?? thats my plan.

  7. #17
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    mine were simple GEN1 engine mounting cups with flat adapter plates that move the engine out of stock location. You can find them on Ebay. Yeah, just the engine up as far as you can and remove the mounts, been there done that before.
    Last edited by RedHeartbeat; 09-19-2011 at 09:09 PM.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  8. #18
    I found a set on ebay for 40 bucks shipped.

  9. #19
    Join Date
    May 2010
    Location
    Galveston, Tx
    Posts
    677
    You can just move the trans crossmember forward an inch and drill new holes as mentioned before, you shouldn't have to get a custom driveshaft. Goodluck

    95 C1500 LM7, built 4L60e, Circle D 3200, LT's, Nelson tune, open differential, 3.42, and LS1 e-fans. Tractionless

  10. #20
    Join Date
    Sep 2007
    Location
    Broken Bow, OK
    Posts
    1,434
    Quote Originally Posted by silverado_lover View Post
    You can just move the trans crossmember forward an inch and drill new holes as mentioned before, you shouldn't have to get a custom driveshaft. Goodluck
    If he moves the transmission fwd, yeah he will.

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