Tony,
Any comments on the consequences of not using the extra little "harmonic
balancer" that was used on the HiPo motors? Many of us have tossed it in
favor of using a full-sized roller timing chain.
Bob
At 06:17 PM 2/12/00 -0500, FrizBMG@aol.com wrote:
> Um. Er. Hmm...
>
> All 90 degree V8s use the same balance formula.
>
> one piston
>+ one wristpin
>+ one piston ring set
>+ 1 pair of pin locks (if used)
>+ weight of pin end of one rod
>+ rod bearing
>+ rod bearing
>+ big end of rod
>+ big end of rod
>----------
>= bob weight per crank throw
>
> The formula is 50% reciprocating, 100% rotating weight. Some shops add
>5 to 15 grams for "oil weight". I normally don't. Ford is usually with
>+/- 5 grams on pistons and rods to start with. Make sure the guy who
>does the balance uses a timing gear to space the harmonic balancer
>properly on the crank snout or it'll throw everything off.
>
> Good luck!
Robert L. Palmer
UCSD, Dept. of AMES
619-822-1037 (o)
760-599-9927 (h)
rpalmer@ucsd.edu
rpalmer@cts.com
rlpalmer@lyonlyon.com
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