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  1. N

    hei upgrade worth it?

    I intend to do a mpg comparison before and after mods. I have done mods before and seen differences overall in the long run not just in the beggining. I drive 35-45k a year and check mpgs at every fill up so it will be interesting. Even a 2-3mpg improvement for me will be huge
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    hei upgrade worth it?

    not sue how many ponies you/I will get out of a spacer but the mpgs will be better. Also one of teh big drawbacks to carbs is if they are running to rich you get cylinder wash with the fuel overload so if its burning its not washing. Its a simple bolt on that helps its not meant to turn our...
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    hei upgrade worth it?

    swims think of a spacer as a way of making the fuel air mixture finer so its more of a mist than heavy flow from a hose. The mistier(more atomized) the combo of fuel to air the better the burn the less fuel wasted & more power is made. In a dry intake like mpfi this theory does not hold true.
  4. N

    hei upgrade worth it?

    its about 3 miles from my farm.
  5. N

    hei upgrade worth it?

    I am in dudley ma on ma/ct border
  6. N

    hei upgrade worth it?

    got it on the hei!! The air flow mods and chip are def happening as far as headers go I am going to drive it awhile with the new cat and exhaust before I go ther. I am looking for torque for towing not 1/4 mile times and I want to go the path of do some mods see what what happens and track...
  7. N

    hei upgrade worth it?

    this is actually a hei cap and rotor upgrade only not a complete distributor here is the link to summit racing. http://www.summitracing.com/parts/DUI-240002BK/ so my question is this a straight upgrade or an upgrade for an existing hei? thanks
  8. N

    hei upgrade worth it?

    Hello looking to get a few more hp and/or mpgs out of my work truck. I know the two do not go together always but also know that to a certain point they can. I have a 1991 k2500 5,7 4l80e with 4.10 gears completely stock 132k I am going with ultimate tbi mods, hypertech hypercharger tbi...
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    Truck stalling, not starting and sputtering

    after testing looking checking probing the wires and harnesses of the fuel system and being unable to duplicate the problem at the garage ( of course) I went with replacing the fuel pump relay on the firewall. It was the original and with any switch after a million or so times opening and...
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    Truck stalling, not starting and sputtering

    sully I am having an identical problem with one of my kids 94 gmc it is definitely related to the wires in the fuse block on the fire wall but it seems whenever we we bring it in it will not duplicate problem. Fuel pump does not energize when it (not starting)happens. My questions I am...
  11. N

    Tail Light Wiring Harness

    I actually have one if you are interested in it I will put my hands on it
  12. N

    88-94 speaker grills

    I have a set they are blue in color truck going for scrap or parts by monday so get back if interested $10 + shipping Matt
  13. N

    88-89 Dual Sealed Beam Light Assemblies

    New to the site but in the process of parting out my 89 chevy I would sell the complete assembly for $100 + shipping. I live in central MA but travel to the NY border in Western MA monthly for work. Or shipping is possible

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