The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 08-11-2010, 09:13 PM   #1
caboutin
Registered User
 
caboutin's Avatar
 
Join Date: Mar 2006
Location: Big Canoe, Ga
Posts: 44
Question for the room. :]

What is the diameter of the crankshaft balancer pulleys. Where can I purchase larger pulleys to create an overdrive situation. Would this not turn the a/c compressor faster at low rpm's??? Alternator also???
caboutin is offline   Reply With Quote
Old 08-11-2010, 10:11 PM   #2
vectorit
What?
 
vectorit's Avatar
 
Join Date: Jun 2007
Location: Southern California
Posts: 7,617
Re: Question for the room. :]

Check out sites like this, there are options out there for what you are looking for.

http://www.marchperf.com/pg4.html
__________________
Chris
1968 K20 Suburban
1972 K10 LWB PU
vectorit is offline   Reply With Quote
Old 08-11-2010, 10:16 PM   #3
Mike C
Registered User
 
Mike C's Avatar
 
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,715
Re: Question for the room. :]

If you want OEM style V-belt pulleys, look at some of the Corvette restoration places. Different years and options had different size pulleys. You also can get the high-perf deep groove pulleys.

For water pump pulleys, make sure you get the correct pilot diameter. Some Corvettes (69-81?) Had a larger 5/8" shaft.
__________________
44 Willys MB
52 M38A1
64 Corvette Coupe
68 Camaro 'vert LT1 & TH700
69 Z/28 355 12.6's @110
69 Chevy Short Step 4 1/2"/7" drop
72 Jimmy 4WD 4spd 4" & 35's
02 GMC 2500HD 4x4 Duramax
Mike C is offline   Reply With Quote
Old 08-12-2010, 08:12 PM   #4
caboutin
Registered User
 
caboutin's Avatar
 
Join Date: Mar 2006
Location: Big Canoe, Ga
Posts: 44
Re: Question for the room. :]

Is the mentality correct though, a larger crankpulley should turn the accessories faster?? Has anyone tried this??? :} Let's hear from the a/c experts out there!!! :}
caboutin is offline   Reply With Quote
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 07:11 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com