Thread: Alternator

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I AM FINALLY GOING TO START ON MY 79 FIREBIRD -- IT WILL HAVE A BIG BLOCK CHEVY -- ONE OF THE IDEAS I HAVE ISTO HAVE NO BELT DRIVEN ACCESSORIES -- I HAVE SEEN ALTERNATORS RAN OFF A BELT ON REAR END AND SEEMS THAT I SAW A SETUP THAT RAN DIRECTLY OFF THE HARMONIC BALANCER -- NOW THAT I NEED THIS INFO I CAN'T SEEM TO FIND EITHER ANYWHERE -- ANY HELP WOULD BE APPRECIATED

have not seen it in awhile but some racers used a rear end set up on their round track cars. check out the ads in some of the round track racing pubications. 9" ford is the only set up ive seen

Originally posted by OUTLAWWV
I AM FINALLY GOING TO START ON MY 79 FIREBIRD -- IT WILL HAVE A BIG BLOCK CHEVY -- ONE OF THE IDEAS I HAVE ISTO HAVE NO BELT DRIVEN ACCESSORIES -- I HAVE SEEN ALTERNATORS RAN OFF A BELT ON REAR END AND SEEMS THAT I SAW A SETUP THAT RAN DIRECTLY OFF THE HARMONIC BALANCER -- NOW THAT I NEED THIS INFO I CAN'T SEEM TO FIND EITHER ANYWHERE -- ANY HELP WOULD BE APPRECIATED

If I'm not mistaken there is someone out there putting the alt in the water pump....... and I think they were for SBC
I saw it in one of the mag's i'd say with in the last 6mo.
Some one here may have more info...... I'll look and see if I can find it......

MM64

It seems to me Streets mentioned just the other day that he ran an alternator off a drive shaft, maybe he can give details? Anyway, I am wondering about the necessary amps needed with a four-speed auto OD 700R4? It seems to me that in high gear the engine rpm will be low around 2000 rpm so on a long trip on an Interstate will an 85 amp alternator be enough to keep the battery charged? The expensive alternative is to go to a 140 amp alternator, but is that necessary, assuming one is driving at 65 mph at night with the lights and radio on for say 100 miles?
So far on this formum I have not seen any discussion of the rating of alternators, although maybe that is an old topic?

Don Shillady
Retired Scientist/teen rodder

Dude, you should do an electric drive alternators like those electric water pumps.

Anyways, the rear axle would be the way to go because you would not be able to spin the alternator fast enough if you mounted it on the harmonic damper.

Well if you want to get Really exotic, you could bolt in a NP727 transfer case and run it off the front spline. Would have lots of steel to bolt to and look different too!

now i remember it was a water pump driven alternator -- thanks for jogging what's left of my memory -- is an alternator necessary with a magneto