Split from "epoxy coating on supercharger"
11-30-2006, 09:20 PM
#46
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From my very careful measurements, there'* a consistent .005" difference between them. Enough that I'm not willing to sacrifice binding them up for a test fit. The 94/95 Gen3 rotors would fit rather tight (possibly over-tight) in a Gen2 case. Not only that, but I never noticed the bottom of the compressor housing is a different profile between them. The Gen2 is flat across the bottom, while the Gen3 is contoured for the rotors.
It doesn't matter, as the efficiency of the Gen3 rotors would outflow the inlet of the Gen2 housing so badly, you'd cause heat problems at any boost level. And the inlet of the Gen2 housing won't be able to flow enough for the demand of the rotors. You'd need a pulley larger than 2.8" to compensate. You'd also have heat problems in the inlet at any boost level. Not to mention that with the lack of 'side fins', the Gen3 housing is much stronger and thicker.
Keep in mind we had a former member that swapped a Gen3 onto his 92 (same as a 93) but used the original TB. He never got the car running right.
It doesn't matter, as the efficiency of the Gen3 rotors would outflow the inlet of the Gen2 housing so badly, you'd cause heat problems at any boost level. And the inlet of the Gen2 housing won't be able to flow enough for the demand of the rotors. You'd need a pulley larger than 2.8" to compensate. You'd also have heat problems in the inlet at any boost level. Not to mention that with the lack of 'side fins', the Gen3 housing is much stronger and thicker.
Keep in mind we had a former member that swapped a Gen3 onto his 92 (same as a 93) but used the original TB. He never got the car running right.
12-01-2006, 03:38 PM
#47
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Originally Posted by willwren
From my very careful measurements, there'* a consistent .005" difference between them. Enough that I'm not willing to sacrifice binding them up for a test fit. The 94/95 Gen3 rotors would fit rather tight (possibly over-tight) in a Gen2 case. Not only that, but I never noticed the bottom of the compressor housing is a different profile between them. The Gen2 is flat across the bottom, while the Gen3 is contoured for the rotors.
It doesn't matter, as the efficiency of the Gen3 rotors would outflow the inlet of the Gen2 housing so badly, you'd cause heat problems at any boost level. And the inlet of the Gen2 housing won't be able to flow enough for the demand of the rotors. You'd need a pulley larger than 2.8" to compensate. You'd also have heat problems in the inlet at any boost level. Not to mention that with the lack of 'side fins', the Gen3 housing is much stronger and thicker.
Keep in mind we had a former member that swapped a Gen3 onto his 92 (same as a 93) but used the original TB. He never got the car running right.
It doesn't matter, as the efficiency of the Gen3 rotors would outflow the inlet of the Gen2 housing so badly, you'd cause heat problems at any boost level. And the inlet of the Gen2 housing won't be able to flow enough for the demand of the rotors. You'd need a pulley larger than 2.8" to compensate. You'd also have heat problems in the inlet at any boost level. Not to mention that with the lack of 'side fins', the Gen3 housing is much stronger and thicker.
Keep in mind we had a former member that swapped a Gen3 onto his 92 (same as a 93) but used the original TB. He never got the car running right.
12-01-2006, 04:08 PM
#49
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Originally Posted by BillBoost37
Originally Posted by bigbadbonneville
The one that has the long finned caseing is in my car and the one that I have sitting on my shelves next to my tool box looks like the caseing goes half way, which the dealership gave back to me.
This means your car has the 92/93 supercharger and throttle body on it. Which would allow it to run and function properly with the current PCM.
Originally Posted by willwren
Now the cooling fins. Notice how the Gen2 (92/93) fins on the LEFT supercharger extend all the way to the base? And the Gen3 (94/95) go only partway down:
12-01-2006, 04:27 PM
#50
DINOSAURUS BOOSTUS
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Ok.. BigBad...I'm going off the deep end here.
YOU HAVE A 92/93 SUPERCHARGER. PLEASE READ WHAT WE HAVE WRITTEN, IT IS APPARENT THAT YOU HAVE NOT READ ANY OF THE LAST 8 POSTS
The dealer charged you to swap the 92/93 parts onto the top of the 95 motor.
Honestly..I am unsure how we can be any clearer.
YOU HAVE A 92/93 SUPERCHARGER. PLEASE READ WHAT WE HAVE WRITTEN, IT IS APPARENT THAT YOU HAVE NOT READ ANY OF THE LAST 8 POSTS
The dealer charged you to swap the 92/93 parts onto the top of the 95 motor.
Honestly..I am unsure how we can be any clearer.