Engine block differences '93 & '95 L67 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 02-16-2008, 03:51 PM   #1
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Default Engine block differences '93 & '95 L67

What, if any are the differences between a '93 and a '95 L67 engine block? We would possibly be doing a swap from my parts car ( '93 L67 ) to Darrel'* car ( '95 L67 ) He has lost almost all oil pressure and may be in need of a new engine... even after all the cash he just put into it
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Old 02-16-2008, 03:58 PM   #2
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Its the same heads, same block, same crank on and on... All you should need to swap is the Charger I believe, And you may want to install the roller Pivots from the 95 onto the 93..

Also if his car has an oil cooler, please flush it out and make sure it has good flow before you hook up the replacement motor

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Old 02-16-2008, 04:18 PM   #3
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I thought the heads were different... or is that just the roller pivots?

SO, all the wiring, sensors, etc will all be the same then?
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Old 02-16-2008, 04:21 PM   #4
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Quote:
Originally Posted by crash93ssei
I thought the heads were different... or is that just the roller pivots?

SO, all the wiring, sensors, etc will all be the same then?
Well you may have to swap out a few sensors, thats something you'll have to dig into..

You will need to use his Complete SC with TB and related sensors... Other than that it shouldn't be too bad...

His car being a 95 may have Dual knock sensors, if it does you have to transfer the knock sensors to the 93 motor...

And yeah I believe all you have to do is swap over the roller Pivots and Bolts to the 93 Motor.... The 92 heads are different, the 93-95 heads are the same

93-95 also use the same crank sensor..

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Old 02-16-2008, 07:48 PM   #5
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Keep the original PCM, crank sensor, and harmonic balancer together. 95 isn't compatible with 93 in that regard.

Heads are the same, supercharger and TB/MAF are not. TPS and IAC are the same. Rocker arms are not the same, but 95 is preferred on the 93. You need the pedestals also, but lifters and pushrods are the same.

Cam sensor is the same. Knock sensor is also. Accessory bracket and water pump are identical, as are all mounts.

Just the SC/TB/MAF/balancer in the differences/incompatibilities.
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Old 02-16-2008, 07:56 PM   #6
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Quote:
Originally Posted by willwren
Keep the original PCM, crank sensor, and harmonic balancer together. 95 isn't compatible with 93 in that regard.
I thought 1992 was the only odd year out. Actually...I know for fact 1993 and 1995 are compatible in those regards. Boozes motor kept the 1995 balancer, crank, and cam sensors, and it ran great...well, until......
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