Become a ltxtech.com member, Click here to register!
BP-Automotive

Results 1 to 7 of 7
  1. #1

    Default 2.02/1.60 valves in stock lt1 heads

    does anyone know what seats are needed to put 2.02/1.60s in the lt1 heads?

  2. #2
    InActive Member


    Status
    Offline
    Join Date
    Jun 2011
    Location
    rapid city SD
    Posts
    475

    Default

    Not sure mine came like that when I got my new engine

  3. #3
    Xtreme Member


    Status
    Offline
    Join Date
    Oct 2008
    Location
    las vegas
    Posts
    1,721

    Default

    You need a butt load of pocket portwork done to unshroud it for 2.02 1.60.... you would be looking at LE3 heads at that point...

  4. #4
    10 Second N/A Club


    Status
    Offline
    Join Date
    Sep 2008
    Name
    Josh
    Vehicle
    96 Z28
    Location
    Holden, MO (KC)
    Posts
    2,867

    Default

    FWIW I asked about upgrading my LE2's with the bigger valves and LE told me the gain in performance wasn't worth the labor needed to put that size valve in a stock head (aprox. 10 hp for a 400+ rwhp car). Sorry I know that doesn't answer your question.
    -Josh
    co-owner of BDBRacing.com
    NMCA OC 9004
    96, N/A 385, Holley EFI, Faceplated M6, AI TFS heads, LE SR cam, MWC Fab 9
    10.16 @ 136 1.50 60'........still workin on that 60' shootin for 1.4's!

  5. #5

    Default

    Yea there is 9 second cars with the 2.00" valves in ported stock heads which takes no seat replacement. If your goal is bigger than that you may be better off with aftermarket heads. I too am sorry about no legit answer, just legit info.
    '94 Formula m6: AI 200cc h/c - MWC - Moser 12bolt

  6. #6
    InActive Member


    Status
    Offline
    Join Date
    Feb 2010
    Location
    NC
    Posts
    44

    Default

    got mine on the stock seats

  7. #7
    The FABRICATOR!


    Status
    Offline
    Join Date
    Jul 2011
    Name
    Chris
    Vehicle
    1985 Monte Carlo SS
    Location
    southern illinois
    Posts
    7,164

    Default

    2.02/1.60 on stock seats? if the machine shop didn't open them up for the larger valves, you're not getting the full benefit of larger valves. If he did then he cut through the hardened surface of the seats. If this is the case, the longevity of the seats has been greatly diminished.

    Again, not helpful to the OP. Sorry.
    Last edited by firebird_1995; 05-05-2012 at 10:29 AM.
    Chris
    1985 Monte Carlo SS
    Mods: 9:1 383 LT1, Ported Trick Flow heads, D1SC Procharger, 4L80E, 3.50 9"
    Check out the M122 MCSS build thread here!

Tags for this Thread

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •