SBC harmonic balancer pulley spacer? 3/4" width? - Team Camaro Tech
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post #1 of 5 (permalink) Old May 3rd, 11, 12:38 PM Thread Starter
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Tyler
 
Join Date: May 2001
Location: Mattoon,IL
Posts: 206
SBC harmonic balancer pulley spacer? 3/4" width?

Heres what im trying to work out. I have a 383 sbc with a electric motor to the water pump for my drag application, unfortunately that has ruled out me placing the altenator on the passenger side. So i thought i could get away with getting a low mount alternator bracket for the drivers side but when i placed it on the block i immediately saw it was going to come in contact with the steering rods and so on. So i flipped it made a couple cuts and BAM! got it to work!

Heres the problem- in order for the belt to be inline with the pulley setup at the crank, the pulley at the crank needs to come towards the radiator 3/4 of an inch. i made spacers out of some thin wall pipe for a mock up and even fired it up. It worked but it was just a little out of line. I would like something a little better than 4 seperate spacers. Ive seen spacers for this type of application but none that were near 3/4 inch thick

Anyone have any ideas or know of anything that may be of any help?
Thanks in advance everyone!

1968 Camaro
383 stroker
1968 Camaro RS/SS
355 SBC
1971 Camaro RS
350 SBC
1971 Camaro SS (numbers matching)
350 (270hp ss)
2001 Camaro SS LS1 SLP
starting a family . . . of camaro's
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post #2 of 5 (permalink) Old May 3rd, 11, 03:04 PM
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Ed
 
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Re: SBC harmonic balancer pulley spacer? 3/4" width?

Rather than 4 spacers can you have a 3/4" thick ring of Aluminum cut to size, or didn't many SB's with air have an add on pulley that could be close to the 3/4 you need.

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post #3 of 5 (permalink) Old May 3rd, 11, 03:09 PM Thread Starter
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Tyler
 
Join Date: May 2001
Location: Mattoon,IL
Posts: 206
Re: SBC harmonic balancer pulley spacer? 3/4" width?

Quote:
Originally Posted by freezined View Post
Rather than 4 spacers can you have a 3/4" thick ring of Aluminum cut to size, or didn't many SB's with air have an add on pulley that could be close to the 3/4 you need.
See thats what im looking for but i cant find them anywhere... i found some for SBF blower motors but nothing thats relative to the SBC. i have pulley that allready reaches out quite a bit but not enough.

Just trying to pick everyones mind if they have come across such a thing. I wouldnt even know where to begin if i wanted to have this custom made let alone the price tag that would come with it.

I have found smaller spacer that were .150 thick or so but nothing like .750 (3/4) like im needing...

1968 Camaro
383 stroker
1968 Camaro RS/SS
355 SBC
1971 Camaro RS
350 SBC
1971 Camaro SS (numbers matching)
350 (270hp ss)
2001 Camaro SS LS1 SLP
starting a family . . . of camaro's
Quick_68 is offline  
 
post #4 of 5 (permalink) Old May 3rd, 11, 03:16 PM
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John
 
Join Date: Dec 2008
Location: Louisville, Ky.
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Re: SBC harmonic balancer pulley spacer? 3/4" width?

You may be able to use a double pulley, leave the back side open, or build custom pulley/spacer, you have a non stock app.
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post #5 of 5 (permalink) Old May 3rd, 11, 08:00 PM
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Derek
 
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Location: Oklahoma
Posts: 168
Re: SBC harmonic balancer pulley spacer? 3/4" width?

depending on how tight your turning the motor, might also need a smaller diameter crank pulley to slow the belt down. not the cheapest solution, but buy a mandrel from moroso or similar with a down sized pulley. that way you can grow into other accessories, vacuum pump, belt drive fuel pump etc. my two cents.
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