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Thread: oil pan, and motor mount adapters for obs

  1. #11
    Join Date
    Mar 2009
    Posts
    146
    Hello, ok I picked up an 03 lq4 with 31,000 miles, in great shape, I have a new question. I have always worked on gen1 motors until now, I always remove the distributor, and use an oil pump primer to prime up the pressure before being started. Is there a way to prime the oil pressure on a gen 3 motor, and also what kind of brackets do you guys use to pick up these style motors. One more thing, my 6.0 has the flat flexplate and from my reading here, I think all I need to do is use the pilot adapter and elongate the TC mount holes in the flexplate in order to bolt up my 95 trans and TC, am I correct. Thanks
    Last edited by DRAGGIN95; 11-15-2009 at 10:51 PM.

  2. #12
    since the engine has been run there should be some oil kicking around in there, fill it up and fire it up like an oil change.

    i used bolts that hooked to chain at the back of the passenger side head to the alternator bracket

    i think all you need is a 4l60e flywheel and a spacer (not sure on the spacer.) i wouldnt grind out the holes because youre gonna be putting 400 horse through those 3 little bolts. call yank converters they know what the crank lengths are for each year and what to do about them. i got a custom converter made that made up for the extra space because i didnt want to run a spacer. i think your 03 will be the same way.
    1996 - BIG BLACK: 5.0 | cognito 10+3 | 22/37 toyo | 14B/4:56 w discs | built 4l60e | corbeau
    1999 - OBS SS RICER: 6.0 lq4 | autometer | jdm! | whipple | FLT billet 4l65 | yank | truetrac
    1954 - OLD RED: Chevy 210 - 3 speed | 235 inline 6

  3. #13
    Join Date
    Mar 2009
    Posts
    146
    I actually called S&P today because I had a question about the spacer, and I found out, that because my 6.0 was set up for 4l80e, and it was already the flat type and had a spacer originally I didn't have to change it at all, only elongate the holes, and I went out and checked, and the bore on my spacer and my OE 95 TC are exactly the same. The guy said had I had a 4.8 or 5.3 I would have had to change it because they come with the dished flexplate. Thanks again.

  4. #14
    Join Date
    Nov 2009
    Location
    Fort Smith, Arkansas
    Posts
    496
    Quote Originally Posted by RedHeartbeat View Post
    +1 on the Fbody pan.

    Buy the mounts the set the engine back 1", you'll be much closer to the stock location than if you used the standard mounts.
    I hate to bring up an old thread but I found this in a search.....So there are no motor mount plates that set the motor and trans in the exact same location?? A new drive shaft is an extra expense I am trying to avoid.
    Thanks

  5. #15
    Join Date
    Dec 2004
    Location
    San Antonio, TX Area
    Posts
    1,741
    Quote Originally Posted by flattopwill View Post
    I hate to bring up an old thread but I found this in a search.....So there are no motor mount plates that set the motor and trans in the exact same location?? A new drive shaft is an extra expense I am trying to avoid.
    Thanks
    The ones I used kept the engine in the same place. I did not need to get a new driveshaft. This was on a 1990 truck.
    "ALisSa1 Silverado"
    1990 Chevrolet RCSB 2002 Chevrolet Camaro LS1/4L60E
    Scrimpin Ain't Easy
    ( . Y . )


  6. #16
    Join Date
    Nov 2009
    Location
    Fort Smith, Arkansas
    Posts
    496
    Which ones are they and where did u get them?

  7. #17
    Join Date
    Mar 2009
    Posts
    146
    I found a set of motor mount adapters at TPI parts, that are 3 position, 1 in. forward, standard, or 1 in. back position. I purchased them, and they are very well made, came with all grade 8 hardware. I installed the engine in the 1in. back position, and it lined up perfect, it put the trans exactly in the original position, no elongating holes or anything. The driveshaft fits perfect.

  8. #18
    Join Date
    Nov 2009
    Location
    Fort Smith, Arkansas
    Posts
    496
    So, although it is the 1" back position it is actually standard? Just as Red said?

  9. #19
    Join Date
    Mar 2009
    Posts
    146
    Yes it put the engine/trans in th perfect spot for the 88-98 body style. BTW there is still plenty of room between the engine and firewall.

  10. #20
    Join Date
    Nov 2009
    Location
    Fort Smith, Arkansas
    Posts
    496
    Alright, which mints did u buy and where did u get them?

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