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Type: Posts; User: Accrdwgnguy

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  1. Replies
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    So I've been looking into doing this as I am...

    So I've been looking into doing this as I am building a car that will have little to no clearance at the firewall for a distributor, and it's a recycled junk build. So I'm talking to a local guy...
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    Ohhh well looks like I'll be changing it out...

    Ohhh well looks like I'll be changing it out before next winter then, as I plan on using it year round.
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    I may leave it alone then as the truck is still...

    I may leave it alone then as the truck is still filled with Dexcool. I washed the filter and then put it back in dry as I couldn't find my can of KN filter oil at the time, I have it now so just a...
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    Vortec L29 question

    Just picked up a 1999 GMC Suburban, with a L29 454. Runs great and holds 45+psi hot idle with 201k miles on it. The previous owner appears to have swapped out the stock thermo for a 160 temp one,...
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    http://ecx.images-amazon.com/images/I/31lXa%2BSYrI...

    http://ecx.images-amazon.com/images/I/31lXa%2BSYrIL._AA160_.jpg

    feed and return in, feed to fuel rail out. Uses GM quick disconnect fittings, you can get these fittings off junkyard GM cars or use...
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    Thanks for your help guys! Got the Honda sensor...

    Thanks for your help guys! Got the Honda sensor in and wired up; fired up the truck today, runs better than ever. Goes into closed loop after 5 mins of idling. Now I can try to get a good tune on...
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    Awesome! I have the wiring figured out, just got...

    Awesome! I have the wiring figured out, just got to make the adapter harness, good thing I have that weatherpack kit.

    I'm running a 1227730 ECM, with of course the $8D calibration. I already...
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    Narrowband o2 sensors all created equal?

    Long story short, I installed LT headers on my TPI C10, and the 1 wire o2 is not happy about it. The truck drops out of closed loop at idle every time I stop. Looking to save a few bucks, I tried to...
  9. Thread: VSS ?

    by Accrdwgnguy
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    8,741

    Glad we could sort that out for ya, makes sense...

    Glad we could sort that out for ya, makes sense now. My VSS was from a 1983 Malibu with the CCC system so it had an ECM and cruise, so 2 VSS feeds.
  10. Thread: VSS ?

    by Accrdwgnguy
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    8,741

    Here mine, the main plug (white) has pink/black...

    Here mine, the main plug (white) has pink/black (12v+), black/white (ground), and brown (2k PPM to ECM). The second black plug with yellow wire is also a 2k PPM signal for cruise control. Yes you...
  11. Thread: VSS ?

    by Accrdwgnguy
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    Use the brown wire, yellow is for the cruise...

    Use the brown wire, yellow is for the cruise control speed signal.
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    Thats a bummer! I do have a TBI on the shelf I...

    Thats a bummer! I do have a TBI on the shelf I could rebuild and would have to get a harness and ECM. easy. I just like the look of MPFI better. Of course if the heads need to be re-done a headswap...
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    21,449

    Dave, thanks for the pictures, I now know it's...

    Dave, thanks for the pictures, I now know it's doable which is a huge help!But like you said, the GN hardware is not going to be cheap. I'll also have to track down the ESC module and knock sensor....
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    I wish my truck was TBI to begin with, would have...

    I wish my truck was TBI to begin with, would have made my conversion much much easier.
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    It's tough to find conversion info, seems no one...

    It's tough to find conversion info, seems no one converts earlier engines to EFI. It shouldn't be a problem, 78 was the first year for even-fire engines. Other reason is I don't want to do an engine...
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    Buick 3.8 MPFI conversion

    Need some help with a new DD project I'm considering. The heart is a 1978 Buick 3.8 V6, carb'd of course. It's got issues. I'd like to do an MPFI conversion, which should be doable with the 1227730...
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    Thanks for the help guys. Got my truck back up...

    Thanks for the help guys. Got my truck back up and running so these should help me in the near future
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    Looks about right, however the colors don't match...

    Looks about right, however the colors don't match up to the diagram of my box. Does it matter, is the wiring of the DRAC and the VSSB the same?
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    VSSB module pinout

    I got a VSSB module out of a 95 truck for my 86 C10, which is running a TPI with a 1227730. The plan is to put an NV3500 transmission in the truck, which has a 40 pulse VSS.

    The issue is that...
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    Yes I am. I have my eye on an AMC Eagle wagon,...

    Yes I am. I have my eye on an AMC Eagle wagon, really tempting, if I can't resist then I'll inject it using the extra 730 I have lying around.
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    No problem, glad I could help. When I finally got...

    No problem, glad I could help. When I finally got a working VSS hooked up (my first optical box was dead), the pulse counts in the ECU seemed to reset itself to the correct pulse count, before I...
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    Also, this is where I discovered that information...

    Also, this is where I discovered that information

    http://www.thirdgen.org/techboard/dfi-ecm/559169-vss-input-7730-ecm.html
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    Well, it would not show this pin as being used...

    Well, it would not show this pin as being used since all the cars that used the 730 (to my knowledge) used the 2-wire VSS.

    Also, the TPI in my truck is utilizing the optical VSS input on the 730,...
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    You can use your 2kppm VSS with the 730, connect...

    You can use your 2kppm VSS with the 730, connect the VSS signal wire to pin C6.
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