|
12-17-2013, 10:29 PM
|
#1 |
|
Registered User
Join Date: Dec 2012
Location: Temple City
Posts: 3,635
|
GM's 14 bolts.
I have a 74 C20, and I need to get a better gear ratio.
I know the 9.5 14 bolts have 3.42 gears, but how common are they? Or are they still more common with the 4.11's? Also which trucks would be most likely to have 3.42's at the pick a part. |
|
|
|
12-18-2013, 07:12 AM
|
#2 |
|
Registered User
Join Date: Feb 2007
Location: Memphis MI
Posts: 1,851
|
Re: GM's 14 bolts.
3.42's are the 'standard' 9 1/2 rear. look for light (low GVW) 3/4 tons. Mine is an 81 8200GVW. Remeber, these trucks are old, and a lot of them have had axle swaps - best bet is to check the ratio by pulling the cover or spinning the axle.
__________________
1987 2 ton  1982 250/TH350 beater in progressDad's 1981 3/4 L6 3 on tree posi and no options, awaiting restoration or scrappingPlus a mess o' tractors |
|
|
|
|
12-19-2013, 01:16 AM
|
#3 |
|
Registered User
Join Date: Dec 2012
Location: Temple City
Posts: 3,635
|
Re: GM's 14 bolts.
Cool thanks.
What about Suburbans? |
|
|
|
|
12-19-2013, 08:34 AM
|
#4 |
|
Junior Member
Join Date: Jun 2004
Location: Murfreesboro, Tn
Posts: 1,092
|
Re: GM's 14 bolts.
I seen a 14 bolt rear for sale on craigslist in the Huntsville, or Chattanooga ,TN area with 3.21!
__________________
1969 impala conv 427 #s loaded. dad bought new 1969 "Judge" RA-3, rare warwick blue/white, #'s 1968 vet convertible #s 427/435 tripower (sold) 1968 belair 2door post #s 427/385 1936 ford 5w coupe dads 1st car 1969 camaro ss (17,xxx) miles Wanted: 69-72 suburban project, 69 camaro convertible. also any big block cars. 69-70 gto judge project. |
|
|
|
|
12-19-2013, 11:18 AM
|
#5 |
|
Account Suspended
Join Date: Apr 2009
Location: hazard, ky
Posts: 1,674
|
Re: GM's 14 bolts.
mine was pretty low geared idk what it had though.
|
|
|
|
|
12-19-2013, 09:07 PM
|
#6 | |
|
Registered User
Join Date: May 2008
Location: Waukesha, WI
Posts: 904
|
Re: GM's 14 bolts.
Quote:
__________________
70 stepside 76 blazer 86 Silverado 20 Max Trailering 6.2 Crew 71 Nova SS My Blazer build http://67-72chevytrucks.com/vboard/s...d.php?t=363634 |
|
|
|
|
|
12-19-2013, 11:48 PM
|
#7 |
|
Registered User
Join Date: Dec 2012
Location: Temple City
Posts: 3,635
|
Re: GM's 14 bolts.
I am in Chino Hills Ca which is a drive to TN.
Also I want the smaller 14 bolt for many reasons, and it is tough enough for what I do. |
|
|
|
 |
| Bookmarks |
| Thread Tools | |
| Display Modes | |
|
|
Linear Mode
