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Thread: 86 C10 6.0/4l80e swap

  1. #21
    Join Date
    Dec 2005
    Location
    Houston,TX
    Posts
    268
    Quote Originally Posted by pcmcobra View Post
    s&p shipped out the replacement set of headers yesterday...so I will hurry up and wait!
    More to come!
    S&P is what im runnin on my ls1. They are more of a mid length, which ones did you get?

    00' Ls1, TSP 228R - 228/228 .588/.588, Yank SST3200, Nelson tune, Nelson wiring harness,
    s&p headers, custom radiator with e-fans,
    91 sub front end with billet grill and bowtie,
    autometer gauges, red and grey tweed interior, dual 2.5" flowmaster super 40, Dmh cut outs, 5"-7" drop,
    air shocks, 20" Intro twisted vistas, gaylords bed cover
    Coming soon: Air ride with an SD raised front crossmember and 6 link canti out back

  2. #22
    Join Date
    Aug 2006
    Posts
    192
    I got the s&p headers...for a c10/6.0
    Don't look like they will be arriving today, guess next week.
    86 C10 6.0/4l80e

  3. #23
    I like everything about your truck, except the fact its not mine.
    LSX conversions, so easy a caveman can do it.

  4. #24
    Join Date
    Aug 2006
    Posts
    192
    thx.
    Got new headers in today, fit great, no pics right now.
    More to come.
    86 C10 6.0/4l80e

  5. #25
    Join Date
    Nov 2007
    Location
    Hurley, Mississippi
    Posts
    365
    great can't wait for the pic's
    '86 Silvy- '06 6.0/4L80E, K&N, 2.5 X-pipe Magnaflows, 20" Foose Wheels, Auburn Pro, 3.90 Richmond Gears, and the list is growing!!!

  6. #26
    Join Date
    Aug 2006
    Posts
    192

    Header pics...

    Here are the pics as promised:













    86 C10 6.0/4l80e

  7. #27
    Join Date
    Jan 2008
    Location
    NW South Dakota
    Posts
    37
    VERY nice.

  8. #28
    Join Date
    Nov 2007
    Location
    Hurley, Mississippi
    Posts
    365
    Those are so sweet. So how much room do you have on the front cross member, I think my engine may set a little farther forward than yours based on pic's of your tranny?It's an 80?
    '86 Silvy- '06 6.0/4L80E, K&N, 2.5 X-pipe Magnaflows, 20" Foose Wheels, Auburn Pro, 3.90 Richmond Gears, and the list is growing!!!

  9. #29
    Join Date
    Aug 2006
    Posts
    192
    I've got room on the xmember, no problem.
    ya, it's an 80
    86 C10 6.0/4l80e

  10. #30
    Join Date
    May 2004
    Posts
    2,120
    If you want better flow from those headers cut the 02 bung about 1/2" from the flange and weld a 3" pipe all the way back and add the 02 sensor into the 3" pipe. The 1 5/8" primaries will lose horsepower but this mod will help. Here's a test set I was playing with.


    97 GMC, 2002 LS6.

    1991 GMC Syclone #1428

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