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High Performance

Significantly higher performance over stock... not for aftermarket air filters and mufflers. Discuss blowers, super-chargers, turbo, nitrous, replacement performance engines...

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  1. Boricua SS

    Cam swap complete!

    Boricua SS, Apr 22, 2017
    Replies:
    9
    Views:
    579
    Boricua SS
    Apr 30, 2017
  2. MRRSM

    After-Market HP Con-Rods for GM 4.2L LL8

    MRRSM, Jan 5, 2017
    Replies:
    0
    Views:
    463
    MRRSM
    Jan 5, 2017
  3. mvtedesco7771

    New project

    mvtedesco7771, Feb 20, 2015
    Replies:
    3
    Views:
    1,513
    dmanns67
    Feb 21, 2015
  4. efi-diy

    billet cam blanks - with VVT oil passages

    efi-diy, Mar 2, 2014
    Replies:
    2
    Views:
    815
    efi-diy
    Mar 15, 2014
  5. million-miles

    4.2 turbo in 1950's chevy pick up

    million-miles, Nov 9, 2012
    Replies:
    4
    Views:
    2,272
    Envoy_04
    Aug 19, 2013
  6. 00brado

    turbo injector help

    00brado, Jun 14, 2012
    Replies:
    2
    Views:
    1,670
    00brado
    Jun 14, 2012
  7. efi-diy

    turbo pistons

    efi-diy, Jan 13, 2012
    Replies:
    0
    Views:
    1,235
    efi-diy
    Jan 13, 2012
Showing threads 1 to 7 of 7

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