Ignition timing tab
06-07-2004, 01:00 PM
#1
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Car: Camaro RS Convertible
Engine: 305 TPI
Transmission: TH700R4
Ignition timing tab
Could we sort this out once and for all.....
I´m still not a 100% sure on how the timingtab should be used ?
I´m attaching this picture of how i think it works.
Could you please help me out here..
Thanks.
I´m still not a 100% sure on how the timingtab should be used ?
I´m attaching this picture of how i think it works.
Could you please help me out here..
Thanks.
06-07-2004, 01:36 PM
#2
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Seems completely backwards. The passenger side should be the driver's side, the front of the car should be the rear of the car, the slot marked "+8" should be zero, and each mark going up should be 2 degrees (Before Top Dead Center).
If you could get another picture that shows the marks and numbers to the right, that should clear it up.
If you could get another picture that shows the marks and numbers to the right, that should clear it up.
06-07-2004, 01:43 PM
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Car: Z28
Engine: Sb2.2 406
Transmission: Jerico 4 speed
Axle/Gears: Ford 9" 3.60
That was what i thought. What is the timing tab mounted to? But as five7 says, and i agree, in most that i have seen, there are an equal amount, if not more, marks indicating BTDC than ATDC.
06-07-2004, 02:14 PM
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Car: Camaro RS Convertible
Engine: 305 TPI
Transmission: TH700R4
I was standing on the passengerside taking the photo.
And the timingtab is mounted on the timingchaincover.
And the timingtab is mounted on the timingchaincover.
06-07-2004, 02:56 PM
#7
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Car: '99 HO Z28 / '03 Trailblazer
Originally posted by Rhydon
Posting a better picture (the old one was a bit confusing).
Posting a better picture (the old one was a bit confusing).
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06-07-2004, 04:02 PM
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
phess has it right - "+" being BTDC, "-" being ATDC.
The "tabs" and "valleys" are not equally spaced. Each tick mark is two degrees, so the tabs are not of equal value.
The "tabs" and "valleys" are not equally spaced. Each tick mark is two degrees, so the tabs are not of equal value.
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