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Alternators and Starters


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CaptainK

Club Member

Tue 21 Nov 17 08:52


Bowler wrote (View Post):For what it's worth Adrian at ABM Vettes in Weymouth will probably be able to rebuild your starter for you
Yeah, that was one person I was considering after your recommendation thanks. I've also got some local starter motor (and alternator) rebuilders in my area which I thought would be better as I wouldn't have to spend on postage and stuff.

But I'm just considering getting a better OEM replacement (the Powermaster one) as the reviews look good and it'll be better than my original standard motor. Then when my original has been taken out, I'll probably get it rebuilt at some point and keep as a spare. Smile

I'm also going to be getting other parts from Summit Racing soon, so tagging a starter into the postage hopefully shouldn't add up to much more. Obviously import tax is still a bummer though.

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CaptainK

Club Member

Thu 30 Nov 17 10:26


Well, I've ordered my "bunch of parts", including the Powermaster starter motor.
Now, I've replaced a starter motor before in a 2003 MG, and I've read my Haynes manual on how to change the motor in a Corvette and it looks simple (undo negative battery cable, disconnect cables to starter motor & solenoid and mark them up, undo two bolts and remove starter, reinstallation is reverse of removal and put the same amount of shims back in that came out). But the Haynes manual is based on a later post chrome bumper model C3 Corvette. So I thought I'd check with you here - is there anything specific I need to know about changing the starter motor in a 1968 Corvette? And what's with the shims? I get that I have to space it correctly, but I've yet to find photos of the shims and where they go. I know it'll be rather obvious when I take it apart, but I'm just educating myself beforehand.

Thanks Smile

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roscobbc

Committee Member

Thu 30 Nov 17 13:28

Re: Alternators and Starters


Shims are used under fixing bolts to set correct gap between ring-gear on flywheel or torque converter plate. Challenging job with a manual. Less so with auto.


--------------------
CCCUK Chairman & Editor, Vette News
'68 coupe - 4 speed - 3.08 - 489 cu in - 570 bhp @ 5850 rpm - 606 ft/lbs torque (821 Newton Metres) @ 3850 rpm
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z06_tim

Club Member

Thu 30 Nov 17 13:53


Reasonably clear instructions for shimming a starter motor here: https://itstillruns.com/shim-starter-chevrolet-5904862.html


--------------------
2001 Z06, 1994 LT1 (sold)
Alfa 147 GTA daily driver.

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roscobbc

Committee Member

Thu 30 Nov 17 22:12

Re: Alternators and Starters


Simple enough if the bellhousing is removed (manual transmission) - don't think that there is an inspection window or access to do clearance by this method on manual C3 - I think the use of engineers blue and trial and error is the alternative.


--------------------
CCCUK Chairman & Editor, Vette News
'68 coupe - 4 speed - 3.08 - 489 cu in - 570 bhp @ 5850 rpm - 606 ft/lbs torque (821 Newton Metres) @ 3850 rpm
Image

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roscobbc

Committee Member

Thu 30 Nov 17 22:13

Re: Alternators and Starters


Simple enough if the bellhousing is removed (manual transmission) - don't think that there is an inspection window or access to do clearance by this method on manual C3 - I think the use of engineers blue and trial and error is the alternative.


--------------------
CCCUK Chairman & Editor, Vette News
'68 coupe - 4 speed - 3.08 - 489 cu in - 570 bhp @ 5850 rpm - 606 ft/lbs torque (821 Newton Metres) @ 3850 rpm
Image

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roscobbc

Committee Member

Thu 30 Nov 17 22:13

Re: Alternators and Starters


Simple enough if the bellhousing is removed (manual transmission) - don't think that there is an inspection window or access to do clearance by this method on manual C3 - I think the use of engineers blue and trial and error is the alternative.


--------------------
CCCUK Chairman & Editor, Vette News
'68 coupe - 4 speed - 3.08 - 489 cu in - 570 bhp @ 5850 rpm - 606 ft/lbs torque (821 Newton Metres) @ 3850 rpm
Image

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z06_tim

Club Member

Fri 01 Dec 17 06:37


I figured it would be likely they didn't provide an inspection window!


--------------------
2001 Z06, 1994 LT1 (sold)
Alfa 147 GTA daily driver.

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CaptainK

Club Member

Mon 04 Dec 17 08:38

Re: Alternators and Starters


roscobbc wrote (View Post):Shims are used under fixing bolts to set correct gap between ring-gear on flywheel or torque converter plate. Challenging job with a manual. Less so with auto.
Ahhh... I understand now thanks. I'm guessing just putting back the same numbers of shims as it had before is just a bit too easy? (which is what the Haynes manual says to do :O )

And typically I have a manual gearbox..... I thought things were supposed to be easier with manuals...... Banghead

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kentvette

Club Member

Mon 04 Dec 17 12:30

Re: Alternators and Starters


CaptainK wrote (View Post):Ahhh... I understand now thanks. I'm guessing just putting back the same numbers of shims as it had before is just a bit too easy? (which is what the Haynes manual says to do :O )

And typically I have a manual gearbox..... I thought things were supposed to be easier with manuals...... Banghead


I had thought that the shim "issue" might be another reason to go for a rebuild? That way, presumably, you would just put the same shims back in when the rebuilt starter was replaced.


--------------------
Stephen J Irons
CCCUK Lifetime Member
Corvette Club France
Corvettes of Southern California
NCM Family Member
Stephen & June's Web Site
Red Corvettes Have More Fun!

Apple IS Genisys!
The "Born-Again Greenies" are killing the planet! It's time to wake up and smell the rain-forest burning!

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