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08-20-2019, 08:55 AM | #1 |
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Join Date: Nov 2014
Location: west coast, Wi
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Rear end identification.
I was told this is s10 blazer 4x4 rear. It has all new brake parts. Properly cleaned painted. Was told he counted turns 3x and came up with about 3.5 each time. I believe it is likely 3.42. Can any of you gurus tell me any more info for my record book year etc. From these pictures. It is not posi.
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08-20-2019, 09:25 AM | #2 |
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Join Date: May 2004
Location: Binghamton, NY
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Re: Rear end identification.
Doesn’t really look like a 7.5 but pics throwing me off. Thought maybe Jeep but says GM right on it. What’s the bolt pattern? Shock spring mounts?
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08-20-2019, 10:08 AM | #3 |
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Re: Rear end identification.
S10 rear end, 14030352 B 28 8 February 28 of 1988 ? bone yard speical
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08-20-2019, 10:36 AM | #4 |
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Re: Rear end identification.
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08-20-2019, 10:37 AM | #5 |
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Re: Rear end identification.
88? Or 98?
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08-20-2019, 01:29 PM | #6 |
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Re: Rear end identification.
Take the cover off. Check out the numbers on the ring gear. Take tape measure and measure. Be careful not to get your hands dirty.
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08-20-2019, 07:21 PM | #7 |
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Re: Rear end identification.
It’s 7.5/7.625”. A 88 will have drum brakes. A 98 will have disc brakes.
The 8.5/8.625” came equipped on 4.3 5 speed equipped s10 an blazers. They also came on all ZR2 models. The axle tubes are necked down and very easy to identify. |
08-20-2019, 08:16 PM | #8 |
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Re: Rear end identification.
and the zr2 axle is 3in wider than a standard s10
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08-20-2019, 08:30 PM | #9 |
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Re: Rear end identification.
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08-22-2019, 11:13 AM | #10 |
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Re: Rear end identification.
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08-25-2019, 10:32 AM | #11 | |
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Re: Rear end identification.
Quote:
i measured 59 inches wheel mounting surface to wheel mounting surface. which is exactly 3" narrower than the original in my 51 GMC. the truck currently has 4" back spacing 6 lug wheels. . i have purchased the same wheel (US wheel from Summit) that has 2 1/2 inch back spacing. my calculation (Math not strong point) puts the tire centerline in the exact same place. my engine is a 283 final overdrive ratio .76 with the current tires 235 70 15 being 28" tire puts and RPM of 1871 at 60 mph. i bought shorter wider tires. 245 60 15 being 26.6" puts RPM at 1970 at 60 mph i am anxious to find out if the 283 will like this low of RPM time will tell. worst case is dont use OD until over 70 mph. 2298 mph the 283 my be very happy at 60 mph in 4th gear 1:1 is 2592 currently 52 is 2565 rpm Last edited by Marty68; 08-25-2019 at 10:40 AM. |
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