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-   -   timing ? (https://www.gtcarz.com/chevy-gmc-70/timing-95697/)

imported_marc 11-28-2004 06:49 PM

timing ?
 
Im gonna be changing my distributor and will have to reset the timing on my car. what should i set it to? is there a round about # for advance that will make the car run better? i have a 90 350tpi auto

JesasaurusRex 11-28-2004 07:06 PM

8 advanced sounds about right. I really dont remember at all how far you can set it forward maybe arch can jump in but you shouldnt have any problems with 8 degrees advance.

archemedes 11-28-2004 11:53 PM

8 sounds right, what I normally do is start from where the sticker under the hood says and go slight advances until performance drops then go back

JesasaurusRex 11-29-2004 02:16 AM

Or you can do it the way us with out timing marks on our front cover do it. Advance a lil and rev the motor all the way up to where it makes power. Keep advancing it until it pings. Then retard a lil :D

imported_marc 11-29-2004 10:09 PM

so say i go 6 advanced the would be playing it safe right?

JesasaurusRex 11-29-2004 10:47 PM

I say 8 would be safe but if u wanna go 6 go 4 it.

imported_marc 11-29-2004 11:10 PM

thanks for the info

JesasaurusRex 11-30-2004 10:51 PM

I do what i can

imported_marc 12-02-2004 05:44 PM

? how do you do the timing adjustement with the distributor? My mechanic is telling me that you cant adjust the timing to increase performance with my distributor. I dont want to take it to another shop to do it so wondering if i can do it myself. I have a 350 tpi 90 camaro with a computer controlled engine. Thanks.

JesasaurusRex 12-02-2004 07:39 PM

You have a timing gun?

P.S. get a new mechanic

archemedes 12-02-2004 08:09 PM

disconnect the little brown wire at the distributor and turn the distributor (yes get a mechanic that knows what he's talking about instead of talking out his ***)

imported_marc 12-02-2004 10:22 PM

well it was actually the owner that was telling me you couldnt do it like that, the mechanics are pretty cool. I actually went to school with one of them but i didnt get a chance to speak to them. im sure they know what to do, i was just wondering in case of anything. thanks though.

imported_marc 12-05-2004 12:06 PM

Well changed the distributor and the car is still running like sh*t, doing the same thing. Starts up fine when cold but as soon as it warms up the idle jumps around and car starts cutting off when you drive it :(. I have no idea what the hell is wrong with this thing its been out of commission for a month.

JesasaurusRex 12-05-2004 01:05 PM

Did you install it correctly? Did you use a timing gun?

archemedes 12-05-2004 01:45 PM

have you checked teh timing chain? it could be bad (they used nylon covered gears that let teh chain jump)


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