What is the advance timing for a 1988 GMC Sierra SLE? It is a V-8 with the 5.7 L.

Asked by Aug 22, 2014 at 09:02 PM about the 1988 GMC Sierra 1500 K1500 Standard Cab SB 4WD

Question type: Maintenance & Repair

Just bought the truck and am trying to tune it up.  Just need to know what the advance timing is supposed to be.

1 Answer

86,745

The timing is computer controlled, you have to unplug the timing connector and set the base timing, the stock setting for your year is 0 degrees, get the bade set the shut it off and reconnect the connector and restart, after idle stabilizes it is done.

1 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

  • 1994 gmc sierra 5.7 won't start 1 answer

    I have a 94 gmc sierra 5.7 that won't start. Getting fuel turns over. Hasn't jumped time I changed cap and rotor, plugs, wires, coil, control mod in distributor still won't fire! What am I missing?

    1994 GMC Sierra 1500 K1500 SLE 4WD Standard Cab Stepside SB

    -

    Maintenance & Repair

  • 1988 GMC SIERRA wont start...tried everything 2 answers

    1988 GMC Sierra 1500 5.7 L. Tranny went bad, had tranny rebuilt, had to pull motor to put tranny in. Put new tranny and motor back in. Started truck and it ran at idle perfectly for 1/2 hour. Got ...

    1988 GMC Sierra 1500 K1500 Standard Cab LB 4WD

    -

    Maintenance & Repair

  • 1995 Sierra 5.7 Help 5 answers

    Engine starts fine and idles fine, when you give it gas to speed up it starts losing power. If you bear down on it, it backfires and really loses power. When you let off of it, it picks up and runs...

    GMC Sierra 1500

    -

    Maintenance & Repair

  • 96 GMC SIERRA 1500 5.7 Vortec... spark to plugs... 1 answer

    I have replaced the distributor cap and rotor 3 times....still no spark to the plugs.....I have replaced crankshaft sensor.....the module in the distributor.....all new plug wires and spark plugs....

    1996 GMC Sierra 1500 C1500 SLE Extended Cab SB

    -

    Maintenance & Repair

  • What is the towing capacity of the 1996 gmc sierra 1500 2 answers

    What is the towing capacity of the 1996 GMC Sierra 1500?

    1996 GMC Sierra 1500 K1500 SLE 4WD Extended Cab SB

    -

    General

Search GMC Sierra 1500 Questions

GMC Sierra 1500 Experts

#1 dragonflyoffshore
dragonflyoffshore
Reputation 4,770
#2 John Saffrahn
John Saffrahn
Reputation 3,360
#3 Glenn Clingenpeel
Glenn Clingenpeel
Reputation 2,960
View All

Related Models For Sale

Used Ford F-150
2,691 Great Deals out of 211,555 listings starting at $1,000
Used Chevrolet Camaro
283 Great Deals out of 38,314 listings starting at $1,250

Used Cars For Sale

2017 GMC Sierra 1500 For Sale
23 Great Deals out of 35,661 listings starting at $23,699
2016 GMC Sierra 1500 For Sale
53 Great Deals out of 3,968 listings starting at $18,219
2015 GMC Sierra 1500 For Sale
122 Great Deals out of 4,040 listings starting at $14,988
2014 GMC Sierra 1500 For Sale
149 Great Deals out of 4,386 listings starting at $14,495
2013 GMC Sierra 1500 For Sale
88 Great Deals out of 2,376 listings starting at $9,988