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kenny richter Posted on Jan 17, 2015
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I have a 91 gmc sierra with a 5.7 liter v8 and was wondering if u knew what kind of motor it is it has throttle body

1 Answer

mike

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  • Posted on Jan 17, 2015
 mike
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Its a 350 small block,im not sure what you are asking

  • kenny richter
    kenny richter Jan 17, 2015

    Well was needing to know is it a vortec I guess and is it compatible with a 350 out of a 85 caprice ?

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5 Related Answers

hotrodtod38

Todd Bradshaw

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  • Posted on Feb 13, 2009

SOURCE: 1998 GMC Sierra won't fire and run

INJECTOR MAYBE?

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dogwood32

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  • Posted on Jan 04, 2010

SOURCE: need to know where the heater blower motor

Unless they moved it and are still using the same part,I would say that this one is located behind the glove box sandwitched between the underside of the dash and the top of the airbox.The blower motor is mounted to the underside of the airbox.

BuzzFlewhart

buzz flewhart

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  • Posted on Apr 01, 2010

SOURCE: 2004 GMC Sierra Computer reset ??

I would suggest stopping by an AutoZOne or O'Reilly's and "borrow" their Scan Tool to erase any codes.
TO reset the "Change Oil" light, turn the ignition to ON (do NOT start the car). Press the accelerator pedal all the way down (then release) to the floor 3 times in less than 5 seconds. Change Oil light should flash then go off. If not, try it again. The trick is to get this done in 5 seconds ro less.

Testimonial: "One question answered correctly but the second question was misunderstood."

Anonymous

  • 89 Answers
  • Posted on Jun 07, 2010

SOURCE: 1989 gmc sierra 6.2 liter diesel hard start when hot

hi, i have seen this problem ten years ago twice, but i was dumbfounded by the answer. all details aside, I replaced the ecm, and never had the problem again with both of them. this repair was a recommended repair by the local truck depot in my town, they stated the ecm got hot along with the truck and it lost the injector sensor signal. now, don't take this solution and run with it, i haven't repaired a 6.2 diesel in ten years and i maybe off track completely. but at least maybe you could ask around your town or maybe a large truck facility about this. of course, you should take to a shop to have diagnosed. hope i could help.

roniecon

Ronny Bennett Sr.

  • 6988 Answers
  • Posted on Jul 05, 2010

SOURCE: My fuel gauge on my 1993 GMC Sierra just went

There is a connection not connected ,or the fuel pump assembley is bad,either way the tank has to come off,or the bed has to be removed to access the problem,if this was at all helpful,please rate,thank you.

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Ok I am wondering if my motor in my 91 gmc 5.7 l b8 is a vortec or a 350 it has throttle body carb and not sure thought if I could interchange it with an older 350 ..

Here, is what I think you are asking. The TBI intake from a 91 will fit the same size engine from 88 to 95. The Vortec didn't come out till 96 I believe. So if your 91 is the original engine then it is not a Vortec motor. If you want to swap your 5.7 with another 5.7 (5.7 = 350) Then the 88-95 should work, Just double check your sensors and locations as the plugs may be different and or in different locations. I know my 88 GMC and my 94 chevy (both K1500's) were a little different. Hope this helps.
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zjlimited_252.gif

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