Timing Index - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Rachet · 09-01-2002, 11:59 PM

Sounds stupid but the timing index is so rusted on my 350 that I cant realy read it. Any one no of a site that has pic of the index. Or any have a pic
Having real prob with engine running rough and want to make sure things are right.

Pat

gchemist · 09-03-2002, 07:23 AM

Start your time at 4 degrees and work your way up or down for tuning. Usually up if you are running a stock distributor and advance.

*Zkast* · 09-03-2002, 10:52 PM

It somewhat hard to see from this image but here goes...
Here is the timing tab order as it shows in the picture.
<12 btc
<8 btc
<4 btc
<0 btc
<4 atc
<8 atc
This of course is an aftermarket tab. The factor tab will have the 0 TDC as the largest point and valley.

09-01-2002, 11:59 PM	#1
Rachet Registered User Join Date: Aug 2002 Posts: 4	Timing Index Sounds stupid but the timing index is so rusted on my 350 that I cant realy read it. Any one no of a site that has pic of the index. Or any have a pic Having real prob with engine running rough and want to make sure things are right. Pat

09-03-2002, 07:23 AM	#2
gchemist BAD BOW-Silverado XST Join Date: May 2000 Location: Senior Member from Austin, TX Posts: 6,431	Start your time at 4 degrees and work your way up or down for tuning. Usually up if you are running a stock distributor and advance. __________________ Gerardo a.k.a. Mad Chemist Silverado XST videos

09-03-2002, 10:52 PM	#3
Zkast Account Suspended Join Date: May 2002 Location: Olathe, Kansas Posts: 929	It somewhat hard to see from this image but here goes... Here is the timing tab order as it shows in the picture. <12 btc <8 btc <4 btc <0 btc <4 atc <8 atc This of course is an aftermarket tab. The factor tab will have the 0 TDC as the largest point and valley. Attached Images



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