Question about 1989 Chevrolet Camaro

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What do i need to replace on my 1989 iroc z 5.7 tpi with 80,000 miles on it. i know after a certain amount of miles it needs to be serviced and parts need to be replaced. also anyone have any ideas where i could find this info??? thanks

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If you have no manuals get them on line at eBay or
More importantly, if it ain't broke, don't fix it.
#1 is to replace all fluids and filters..all of them with the best you can afford.
Don't skimp here.
Brake fluid, rear end fluid, Transmission fluid&filter, power steering fluid, oil& filter, and anti-freeze.
Spray Silicone spray on all hoses and door gaskets, etc., if you replace or don't replace any of them.
Keep engine compartment clean with engine cleaner once or twice a year.
follow all directions on all products.
Enjoy that car for a lifetime.

Posted on Sep 30, 2010


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I have a 1988 iroc 305 tpi 5spd car runs fine till it gets hot. I have replaced pulgs,fuel pump,fuel filter,cap,rotor,wires,3 sensors.

might wanna check the fuel injectors when the start going bad they get a high resistance at engine normal temp

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1985 iroc started this morning then stalled and will not start...... checked for fuel OK checked spark OK cranks but still will not start. Car is 305 TPI Auto

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rate me please thanks.....

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Injectors not opening or "flashing" on 1989 camaro

Ok You Have good connection to the ECM but did you check to see if you have good connection from ECM to the injectors or do you have signal from ECM going out to the injectors? Just because you have power going to the ECM doesn't mean it is good, when you read the resistance on the ECM all you did was verify that your coil in the injector was good, it did that the ECM was good. Sounds like you need to replace the ECM if you decide to replace the ECM be sure that you grounding paste/Thermal Paste when you do because if you do not your will fry the ECM in a very short period. But also remember that you can buy a brand new one and it not be good, which is why there is the warranty on the automotive parts you purchase at the auto parts store..

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Mar 16, 2010 | 1987 Chevrolet Camaro

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no. if it is a tbi then you will need to set initial timing at 6 degrees before tdc and if it is a tpi then it needs to be 10 but i like it more on the 8 or less side. but by the book it is 10 degrees before tdc. also if you have the tpi there is the brown wire that needs to be un plugged (spoot connector) up at the firewall in the main harness on the pasanger side while setting timing. it stops the computer from advancing the timing so it can be set correctly.

please ask any more question you have i will be glad to help. i own 4 iroc-z28

Nov 28, 2009 | 1989 Chevrolet Camaro

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Do you have a spark plug wiring diagram for a 1988 camaro iroc z 305 tpi

Okay, #1 is marked on the distributor so in clockwise order: 1-8-4-3-6-5-7-2
8 7
6 5
4 3
2 1

Hope this helps,

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Good luck with your problem

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