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Old 01-14-2019, 05:40 PM   #1
Whamp48
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Reduction gear starter

Hey guys, anyone know for absolutely sure where to get a gear reduction starter that will fit a BB 402, automatic 400, 168 tooth flywheel? I just bought one from NAPA that the paperwork said would fit,it didn't. So, now I'm stuck with a $270 starter that is useless to me. If someone knows where to get the right one, and maybe the part number, I would appreciate the information.
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Old 01-14-2019, 06:22 PM   #2
hjewell2
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Re: Reduction gear starter

Powermaster 9526 - Powermaster XS Torque Starters

Powermaster 9612 - Powermaster Mastertorque Starters
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Old 01-14-2019, 06:59 PM   #3
Whamp48
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Re: Reduction gear starter

Thank you sir. I think I saw those on Summit. Have a good day!
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Old 01-15-2019, 12:25 AM   #4
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Re: Reduction gear starter

Another option is the gear reduction from a gm 8.1 big block. Get the starter bolts from a dealer. You need 1 of each bolt. Total cost is less then $7 bucks and fit the best.

Part Numbers
  • Starter - GM (10465578)
  • Starter Mount Bolt - GM (12561848)
  • Starter Mount Bolt - GM (11610787)
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Old 01-15-2019, 06:46 AM   #5
Whamp48
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Re: Reduction gear starter

Thanks, AJC
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Old 01-15-2019, 10:06 AM   #6
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Re: Reduction gear starter

337-1022 ac delco $100 usually from Amazon.

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Old 01-15-2019, 09:05 PM   #7
Whamp48
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Re: Reduction gear starter

I'll check it out. Thanks.
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Old 01-15-2019, 09:29 PM   #8
Whamp48
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Re: Reduction gear starter

I took it back. I got a lady salesperson who knew very little, and I now own an expensive wheel chock. To the guy with all the tooth counts and mounting locations, thanks, but that doesn't make this starter fit my motor.
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Old 01-15-2019, 11:09 PM   #9
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Re: Reduction gear starter

Quote:
Originally Posted by Whamp48 View Post
I'll check it out. Thanks.
Have them on 3 of my 4 vehicles two 454s and one 400 sb and it starts with 36° initial timing.
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Old 01-15-2019, 11:59 PM   #10
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Re: Reduction gear starter

Looks like you now have it under control, but I bought mine at a local speed shop and luckily got it right the first time. A good counter person makes all the difference in the world. It doesn't seem to engage a lot of the flex plate (which is the original, at 217k miles). The flex plate will be replaced soon.
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Old 01-16-2019, 12:34 AM   #11
Whamp48
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Re: Reduction gear starter

Thanks guys, I appreciate the help. I should have got on here first, but the guy who sold me the starter was sure it was correct, the paperwork says it will fit a big block, a small block and even a 4.3 V6. Maybe if they all had the small flywheel. Oh well, expensive lesson learned. I'm gonna see if my credit card company can help me out with returning the starter, but if not, lesson learned. You fellows have a great day.....Warren
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Old 08-15-2019, 12:20 PM   #12
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Re: Reduction gear starter

Quote:
Originally Posted by AJC View Post
Another option is the gear reduction from a gm 8.1 big block. Get the starter bolts from a dealer. You need 1 of each bolt. Total cost is less then $7 bucks and fit the best.

Part Numbers
  • Starter - GM (10465578)
  • Starter Mount Bolt - GM (12561848)
  • Starter Mount Bolt - GM (11610787)
Will this starter also fit the '68 396 4sp??
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Old 08-21-2019, 08:07 PM   #13
AJC
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Re: Reduction gear starter

Quote:
Originally Posted by Astro-Balls
Will this starter also fit the '68 396 4sp??
It needs to be a 168 tooth flywheel. But I have read that the manuals trans require a cast-iron nose starter. something about the nose fitment into the bell housing being different between the aluminium and cast iron nose size. I don't have any manual trans so I can"t say for sure. The later starter may work. All I can confirm is it works on 168T automatics. If you do try it let me know.
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Old 08-22-2019, 07:32 AM   #14
Mike C
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Re: Reduction gear starter

Quote:
Originally Posted by AJC View Post
It needs to be a 168 tooth flywheel. But I have read that the manuals trans require a cast-iron nose starter. something about the nose fitment into the bell housing being different between the aluminium and cast iron nose size. I don't have any manual trans so I can"t say for sure. The later starter may work. All I can confirm is it works on 168T automatics. If you do try it let me know.
67-72 with manual trans used a bellhousing mount starter and not block mounted. It is possible to use a later style gear reduction starter. Chances are the GM style gear reduction unit would work, but on my Jimmy I used a non-supported nose Denso style starter which works great.

Whatever parts store sold you the wrong part and wouldn’t take it back sux.
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