C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Timing Light Recomendations???

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Old Jul 26, 2003 | 05:18 PM
  #1  
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From: Rolla Mo
Default Timing Light Recomendations???

Any recomendations? I have the stock harmonic balancer with only 1 mark on it, should I get one with the dial advance? What is the diameter of the damper? If i knew that, I could put one of those timing tapes on it.

Thanks,
Doug
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Old Jul 26, 2003 | 05:23 PM
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From: Kyle TX (Because Mojo Made me fill it in)
Default Re: Timing Light Recomendations??? (Dougs 90)

Stock balancer is 6.75"

I bought a regular timing light (no dial, not sure what it's for anyways) from a local auto parts store for $40. Works just fine.
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Old Jul 26, 2003 | 05:23 PM
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Default Re: Timing Light Recomendations??? (VetteNoob)

I really like my snap-on....pricey but honestly you get what ya pay for :cheers:
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Old Jul 26, 2003 | 11:57 PM
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Default Re: Timing Light Recomendations??? (AS84)

http://www.autotoolsexpress.com/toolpages/FER84.htm
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Old Jul 27, 2003 | 02:23 AM
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Default Re: Timing Light Recomendations??? (AS84)

Snap-on model 1261 A - wouldn't be without it!
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Old Jul 27, 2003 | 09:58 AM
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Default Re: Timing Light Recomendations??? (Dougs 90)

Any recomendations?
I think that many models from reputable suppliers
are adequate for setting timing at idle and low rpm.

For accuracy at high rpm, the MSD Timing Light
- PN 8990 has a good reputation. I considered
buying one of these but elected to get a
Craftsman Inductive Timing Light #92134 (no
advance) from Sears on the strength of comments
in MSD literature that said the 92134
was the only other light they tested that was
accurate at (n) rpm.

(An aside: be advised that the Craftsman is NOT
available from Sears Canada. If you have a loving,
beautiful & considerate wife who travels on business,
she could pick one up in Huston if she checks three
different stores. Let her know that she will have A
LOT of EXPLAINING to do when she attempts to carry
it through airport security - my lovely wife was
delayed on this account BEFORE 9/11. Ultimately
they took it and put it in the baggage compartment)

If you have relocated the battery, MSD also offers
their Self-Powered Test Light, PN 8991. An expensive,
quality piece. Both on on the following link - if it doesn't
work in the future, go to the main page and hunt.

http://www.msdignition.com/1protool.htm#anchor165514


As for the Dial Advance feature - it offers convenience but can
be a point of failure IMO.



[Modified by Slalom4me, 9:01 AM 7/27/2003]
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Old Jul 27, 2003 | 10:11 AM
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From: Edmonton AB
Default Re: Timing Light Recomendations??? (Slalom4me)

... but elected to get a
Craftsman Inductive Timing Light #92134 (no
advance) from Sears...
Just checked and I am unable to find this model
listed on Sears' site. The number now shows as
921027 (00921027000, actually). I have no idea
how well the new one performs at high rpm.

To see the 1 Sears and 2 Craftsman lights offered,
select automotive then search on timing here:

http://www.sears.com
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Old Jul 27, 2003 | 10:18 AM
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Default Re: Timing Light Recomendations??? (Dougs 90)

About the tape: I used it on a boat and it stayed on for about 2 weeks. I even washed the damper in acetone before I put the tape on.

With heat and oils in the engine compartment - they just don't stay on.

One possibility is to get a damper cover that's made of metal. See summit racing.

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Old Jul 27, 2003 | 10:20 AM
  #9  
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From: Tracy CA
Default Re: Timing Light Recomendations??? (mitchcole)

here's the link
http://store.summitracing.com/partde...=PRO%2D66517CC
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Old Jul 27, 2003 | 10:30 AM
  #10  
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From: Edmonton AB
Default Re: Timing Light Recomendations??? (mitchcole)

With heat and oils in the engine compartment - they just
don't stay on.
A boat application (esp an enclosed one) would be a severe one
for a tape - humidity might affect bonding, too.

For automotive use, I've had and heard of good luck with tape.

As for the cover, a few reasons not to do this come to mind.
If a tape didn't hold up and I really wanted the marks, I'd
have my balancer degreed or replace it with one that was.
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Old Jul 28, 2003 | 09:32 AM
  #11  
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From: Tracy CA
Default Re: Timing Light Recomendations??? (Slalom4me)

I suppose. It's quite a bit more expensive than the cover.

What the hell - life is short!
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Old Jul 28, 2003 | 09:48 AM
  #12  
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From: Edmonton AB
Default Re: Timing Light Recomendations??? (mitchcole)

I suppose. It's quite a bit more expensive than the cover.
I agree.

The tape would have to fail and I would have to REALLY want the marks
to have mine degreed or go with a replacement.
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