Mismatched timing cover and balancer - Team Camaro Tech
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post #1 of 8 (permalink) Old Apr 21st, 04, 03:06 PM Thread Starter
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I need some help. The balancer I installed on the 350 I dropped into my 3/4 ton is the correct 8" balancer for a truck. However, the timing cover is not correct for this balancer. I have no idea what the timing cover came off of, but it has the bolt on timing pointer. The balancer is the same as what is on my '78 truck, and it has a '77 timing cover with the factory welded on timing pointer that sits about in the middle of the cover...not off to the side...and it reads correctly. Does anybody know of a bolt on pointer that will read correctly with this balancer? 12* initial is almost straight up with this balancer.

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post #2 of 8 (permalink) Old Apr 21st, 04, 03:58 PM
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Bill
 
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Travis,
I dont know of any bolt on pointers that will work. If I have both types of dampers at the shop, I can try to line them up and measure how far the tdc line is on one from the other, ten you could just paint a new line on yours to line up with the older timing cover. If I have both types, I will post here on Thursday.

Bill Koustenis
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Advanced Automotive Machine
Waldorf Md
1971 Chevelle "Heavy Chevy" original owner


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post #3 of 8 (permalink) Old Apr 21st, 04, 03:58 PM
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Sounds like that engine was from the era when auto makers though hall effect type pickups made better timing lights. If it were me, I'd install an aftermarket pointer and relocate the timing mark. Timing tape would also be an option to remarking so you can get the mark where you can see it.

Dave
========================
68 Coupe, 350 w/ Edelbrock Performer RPM heads, cam, intake, 700R4, Dave's small body HEI
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post #4 of 8 (permalink) Old Apr 21st, 04, 05:34 PM
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I would find TDC with a screw-in piston stop and then use a sharpie to mark the damper where the new pointer is. The piston stop tool is very handy when working on old cars.

-Mark.
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post #5 of 8 (permalink) Old Apr 21st, 04, 06:42 PM
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Matt Jones
 
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Travis, my truck ('86 C10) came stock with this balancer. I just used a piston stop to mark the new TDC mark. I've searched for the pointer with no luck.

Matt Jones
Lead Mechanical Engineer
Art Morrison Ent. Inc.
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post #6 of 8 (permalink) Old Apr 21st, 04, 09:49 PM Thread Starter
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I did mark it at tdc when I put the engine back together. I just wanted a more permanent solution for setting timing other than just marking the balancer. I was hoping for just a bolt on pointer...oh well.

How long do timing tapes usually last?

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post #7 of 8 (permalink) Old Apr 22nd, 04, 01:24 AM
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Balancers changed in 69, 72, and again in 86, and so did the t/covers. The bolted on t/pointers are pre-68, the welded ones were post-69.

I had a timing tape once, it lasted 15 seconds and this was with cleaning the har/balancer with Brakleen.

Your best bet would be to measure the circumference and divide 72 to get the distance for 5*. Find TDC, then mark h/bal accordingly up to 50* CW.

Isee on the Weather Channel your area has had quite the bit of weather. Okie still on the map?
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post #8 of 8 (permalink) Old Apr 22nd, 04, 09:25 AM Thread Starter
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A little weather? Nah, thats just a normal Oklahoma spring day! The day before yesterday, there was 6 tornados within 100 miles of here, and 3-4 more yesterday. Softball sized hail in places, 70-90 mph winds, and tons of rain. The temps went from about 85 2 days ago to 55 today...looks like the worst of this storm front is over.

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