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Old 11-05-2008, 12:34 PM
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396/427 Flywheel Question

I picked up the 153 tooth light weight internally
balanced flywheel recently. My question is since it
is slightly smaller diameter plus 153 tooth, "what starter
can I use or should use" I am assuming the standard BBC
won't work because of the smaller tooth count and dia.
thanks

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Old 11-05-2008, 04:11 PM
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That 153 tooth flywheel won't work on big block for the reason you have already stated. The O.D. of the flywheel to too small to meet the standard start. And I doubt you find a start to work with it, no big advantage trying to do so. IF you wanted a lighter flywheel then there are a number of manufacturer that make a aluminum flywheel with a steel/cast iron insert, and they maybe lighter then your 153 tooth one. Good Luck!
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Old 11-05-2008, 04:17 PM
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GM11Echo 396/427 light weight flywheel

The link below is what I have. Says it will work on 396/427



http://paceperformance.com/index.asp...D&ProdID=22889
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Old 11-05-2008, 04:57 PM
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Quote:
Originally Posted by 11echo
That 153 tooth flywheel won't work on big block for the reason you have already stated. The O.D. of the flywheel to too small to meet the standard start. And I doubt you find a start to work with it, no big advantage trying to do so. IF you wanted a lighter flywheel then there are a number of manufacturer that make a aluminum flywheel with a steel/cast iron insert, and they maybe lighter then your 153 tooth one. Good Luck!

Ummmmm....what?

A stock starter for a 168 tooth starter won't work. The bolt holes are what locates the starter in the right postion and unless your starter has holes for 168 and 153 tooth flexplate/flywheels than it won't work.

However, there are plenty of aftermarket starters that have both sets of holes. You probably won't find one for just the 153 tooth flexplate. ---EDIT: and aftermarket one--- I have used the ones from summit with great success. I used one on 5 different motors and it worked great on all of them. I bought it for a 496 BBC (168) but when I yanked the motor I used it to break in 3 small blocks (153) and now it starts my 454 in my pickup (168) so really it will work on just about any small block or big block out there.

Last edited by Double_v23; 11-06-2008 at 04:38 PM.
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Old 11-05-2008, 05:17 PM
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Double V23 thanks 396/427 flywheel

I got this thing for my 396 that is going to be a 427
because already with the 3.76" stroke it is quiker RPM's
than 454 and this flywheel is liter so it should be even
better. I will have to look on Su. Do you know the part# maybe?
thanks
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Old 11-05-2008, 05:36 PM
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OK ..I had to do alittle math but a 168 tooth flywheel is 14.096" O.D. and a 153 tooth flywheel is 12.835" O.D. ...doing the math that makes the 153 tooth flywheel abit more then 5/8" smaller just on one side ...ie the "standard" starter will miss the smaller flywheel by that amount. So you'd have to find a starter to make-up that amount.
AND remember the 153 tooth flywheel will only handle a 10 1/2" clutch. If your doing a big block you'd normally go for the 11" clutch. And as I said before IF you want to go light then get a aluminum flywheel. Try this one:
http://cgi.ebay.com/ebaymotors/SB-&-...21010003r20424

...AGAIN good luck!
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Old 11-05-2008, 09:36 PM
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L-88 Corvettes and quite a few small-blocks used 153-tooth flywheels. The L-88 unit was a lightweight unit, and is still sold by GM under part number 14085720, with casting number 3856579.

It will also fit on any Chevy 396 or 427, any 2-piece-seal small-block of 350cid or less, as well as a 230cid 6-cylinder, which is what i used mine on for a short time. It will NOT work on a 454 or a small-block 400, since those engines are externally balanced.

Any starter designed for use with a 153-tooth Chevy flywheel will work with it, and those starters are a dime a dozen, used on millions of Chevys, from 6-cylinder Novas to L-88 Corvettes.
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