Think i need a new rear axle???
#23
1990 surf will fit - just check your axle code to make sure it has the same ratio diff if you're fitting a complete axle. (plate on bulkhead where it says axle/trans will be a Gxxx number probably G294 or 295 if lsd) if different you'll have to drop your old diff into it.
#25
Open the bonnet look at the back of bay - should be an ally plate just above the back of the rocker cover on the bulkhead. To the left of where the heater hoses go through to the inside of truck. If not there's probably 2 holes where it used to be rivetted on..
#26
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Hmmm.....got a feeling I'll see the two holes, any other way to check out if it'll be the same gear ratios?? What's worst case if I just fit it??
#27
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Worst case: You'll have unmatching gear ratios and need to get one changed out. Best way to check your gear ratios if you don't have your plate deal would be to lift one side of the truck with the opposite wheel on the ground.
chock the wheels, release the parking brake, and put the truck into neutral.
spin the tire around 10-20 times and count the revolutions that that driveline makes.
Chances are it will spin between 4.11 and 4.88 times per wheel turn.
if it's closer to 5 you'll have 4.88's.
if its closer to 4, you'll have 4.10s or maybe 4.30's. the 4.30s are unlikely though, seeing as they were found in early model solid axle trucks.
chock the wheels, release the parking brake, and put the truck into neutral.
spin the tire around 10-20 times and count the revolutions that that driveline makes.
Chances are it will spin between 4.11 and 4.88 times per wheel turn.
if it's closer to 5 you'll have 4.88's.
if its closer to 4, you'll have 4.10s or maybe 4.30's. the 4.30s are unlikely though, seeing as they were found in early model solid axle trucks.
#28
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my recommendation: check out trail-gear and get their awesome rock assault axle housing and swap out your coil sprung rear for leaf springs. The time is right! Clean, new, and improved empty axle ready to accept all of the worky bits in your rear end.
http://www.trail-gear.com/rock-assault-axle-housing
http://www.trail-gear.com/rock-assault-axle-housing
#30
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photos thanks to the guide at atarmor.com:
Last edited by NYChopshop; 04-30-2010 at 08:13 PM.
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