A little fun with the Astro!!
#11
Originally Posted by jr's3800
I believe in 92-93 you could have had the 4300 Vortec HO that Produced 200 Hp and 260 Ft Lbs
but thats the same motor that i have in my blazer and it is sure fun. i can light em up all day if i want to sadly i dont have posi tho
#12
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From: Saginaw, MI
I installed the posi myself. I got it from SLP Performance for $100 with the bearing already on them. They are new take-off units from camaros. It took about a hour and a half. I did a cheack on the gear backlash and didnt even have to adjust anything. They use to list them on their website. They are made by Zexel-Torsen and are a gear driven posi unit.
#14
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From: Saginaw, MI
They tried to tell me that it wouldnt work with the 4wd and some BS and didnt want to sell it to me for the blazer. So I called back and told them I had a 92 camaro with a 7.625 and 3.42 gears (same rear end as the blazer) and they sold it to me. It was a great little unit. Got my azz in trouble a couple of time to. Posi on the light rear of that blazer with a shift kit and that 4.3 HO would kick it sideways almost too easy. Went for a ride a couple of times
#17
Originally Posted by GoldenBullet
dang, i might have to get one of those posi'*
#18
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Originally Posted by GoldenBullet
Originally Posted by jr's3800
I believe in 92-93 you could have had the 4300 Vortec HO that Produced 200 Hp and 260 Ft Lbs
but thats the same motor that i have in my blazer and it is sure fun. i can light em up all day if i want to sadly i dont have posi tho
94-95 were strange... Depending on what it was in it could have been 195 or 191 HP..
And GM kept making the TBI 4300 for quite a while as well.. I never did understand why the Base powerplant for the Caprice for 94-96 was a 4.3 V8 when the 4300 V6 made better torque and power across the board...
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