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Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Engine> Please help an old guy working on a new(ish) Chevy V8
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Topic Review (Newest First)
12-11-2008 09:15 PM
johnnya Rob Keller said:
"So ,you was a Complete adult @ 13?"
I'm not even sure I'm a complete adult, now...
JA
12-11-2008 08:50 PM
Rob Keller
Quote:
johnnya

(anyone under 50 is a kid to me)
So ,you was a Complete adult @ 13?

Sorry I just could not resist.

In my opinion its better to be a smart arse than a dumb arse.

I dislike computer cars too.

Puters are our freinds
Puters are our freinds
Puters are our freinds






R
12-11-2008 08:30 PM
ap72 yea, but you still have the CLA to tend with... I would prefer to stop at '72.



12-11-2008 08:18 PM
tnovot
Quote:
Originally Posted by johnnya
Nothing newer than a '74 for me after this.
JA
My 75 Corvette has no computer which is one reason I sold my '84 and shopped around for an older one.
I think GM didn't start using computer controls until '81 or '82 so you could still go a few years newer than '74.
Terry
12-11-2008 08:23 AM
johnnya Thanks for thr replies, guys.
Looks like the first trip will be to a shop with the proper tools to set the distributor.
Nothing newer than a '74 for me after this.
JA
12-10-2008 10:36 PM
carsavvycook The distributor is referred to as the "cam sensor". The scan tool needs to have the capability to read the "cam sensor" 'set' degrees. This is set to 0 degrees. Each movement of the distributor requires the engine to be revved over 2000 rpm, and allowed to return to idle before turning it again. It can be adjusted within +1 to 2, or -1 to 2 degrees of the crank timing at TDC, without turning on the CEL. They like it best overall to be at 0 degrees with the crankshaft at TDC.

It should fire off if you have it real close, but the check engine light will turn on, if it is not close enough to 0 degrees sync with the crank sensor #1 cylinder TDC compression signal.
12-10-2008 09:42 PM
GMC boogie
Quote:
Originally Posted by johnnya
I stabbed the distributor today with my normal method. IE: I turned the crank in the normal direction, while watching the valves to determine the firing stroke on #1 cyl, and stopped the crank at about 6 degrees before TDC. I then stabbed the distributor with the rotor pointed at the #1 cyl contact. Should it start like that?
Yes, distributor drops in same as years before. Your good to go as long as you know your at the #1 firing position.
12-10-2008 09:12 PM
johnnya I stabbed the distributor today with my normal method. IE: I turned the crank in the normal direction, while watching the valves to determine the firing stroke on #1 cyl, and stopped the crank at about 6 degrees before TDC. I then stabbed the distributor with the rotor pointed at the #1 cyl contact. Should it start like that?
12-10-2008 08:16 PM
GMC boogie Of course the distributor needs to be installed correctly but no,you do not set the timing,it is controled by the computer. However,the cam sensor(in the distributor) needs to be phased with the crank sensor. This is done by adjusting the distributor with a Tech 2 scan tool hooked up. You will have a check engine light on if it is not correctly phased....I forget the code #. P1345 maybe?

All the ones I have fooled with required the distributor to be rotated all the way counterclockwise to make the light go out.
12-10-2008 07:55 PM
ap72 you have to disable the electronic advance on the dizzy, I'm not sure how to do it on a '98 pickup but I'm sure someone will chime in.



12-10-2008 06:20 PM
johnnya
Please help an old guy working on a new(ish) Chevy V8

I'm helping a kid from work (anyone under 50 is a kid to me) replace his throttle body, Vortec 5.7 litre engine in a '98 Chevy 1/2 ton pick-up, with a GM Performance crate engine.
My question is: do you still set the timing in the normal way, with a timing light, or is there some kind of magic I'm not aware of?
Thanks in advance
JA

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