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Old 09-12-2006, 02:32 PM   #1
Moose1198
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Default Motor question: 96 DOHC head on a 92 SOHC Block

So i have a 96 SC2 that has a spun rod bearing or such in the bottom half of the motor. 88k on the odometer.

I've found a motor out of a 92 SL1 that has low milage for $150 locally. I know that Saturn kept the block the same until 98; however, does anyone here have any idea on where i might find hangups on mating my good 96 head to this good 92 block? I'm sure the compression ratio's are different among other things. They somehow cranked 40 more hp out of the DOHC motor with the same lower end of the motor so I'm curious how and if it would be a possibility to do this ******* mating to save myself money on fixing this car.

Any help would be greatly appreciated Thanks
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Old 09-12-2006, 03:12 PM   #2
Dr B
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Default Re: Motor question: 96 DOHC head on a 92 SOHC Block

The 92 crankshaft is not compatible with your 96 ,because of the C P S
trigger,.!
Otherwise the swap would probably go ,
however the crank is what you mainly need ,with spun bearing & all !
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Old 09-12-2006, 04:14 PM   #3
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Default Re: Motor question: 96 DOHC head on a 92 SOHC Block

cps = crank position sensor?

the tech at saturn told me the crankshafts were the same.. but they changed the sensors? weak
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Old 09-12-2006, 04:27 PM   #4
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Default Re: Motor question: 96 DOHC head on a 92 SOHC Block

different crank in the 91-92 block. stay away from it, too many headaches.
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Old 09-12-2006, 05:48 PM   #5
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Default Re: Motor question: 96 DOHC head on a 92 SOHC Block

why don't you just replace the rod bearing? Especially with an engine with fairly low mileage... It's not hard, I've done it in my driveway...
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Old 09-12-2006, 09:17 PM   #6
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Default Re: Motor question: 96 DOHC head on a 92 SOHC Block

Does the SOHC not have dished pistons for lower compression? It will hurt your horsepower, if so.
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Old 09-13-2006, 12:10 AM   #7
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Default Re: Motor question: 96 DOHC head on a 92 SOHC Block

Quote:
Originally Posted by Monkius
why don't you just replace the rod bearing? Especially with an engine with fairly low mileage... It's not hard, I've done it in my driveway...
What is a crank bearing was spun? And once you spin a bearing if you replace it it will just spin the next one unless you have all the journals bored out and honed and redone. I'm actually in the process of swapping blocks on my brother's Civic after he spun a bearing.
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Old 09-13-2006, 10:55 AM   #8
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Default Re: Motor question: 96 DOHC head on a 92 SOHC Block

Quote:
Originally Posted by PACT Man
What is a crank bearing was spun? And once you spin a bearing if you replace it it will just spin the next one unless you have all the journals bored out and honed and redone. I'm actually in the process of swapping blocks on my brother's Civic after he spun a bearing.
I guess mine wasn't quite "spun" then... It was still making the rod knocking noise, though... It's been a year, easily since we fixed it, and it's still not making any noise (leading me to believe it hasn't spun the next one).
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