freshening up an L67 (S2) - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 06-28-2006, 02:30 PM   #1
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Default freshening up an L67 (S2)

ok, i'm gearing up to start my L67 swap. i will be picking up a used L67 and giving it a quick once over before installing it.

money permiting i will be installing a mild cam and possibly rockers, since neither is possible with the motor in the car.

i also plan on replacing the oil and water pumps, and all of the outer gaskets (i will not be breaking into the longblock for simplicity'* sake. i'm on a budget but i realize that it will be cheaper to do this first, rather than after...

what other things should i check/repair/replace while the engine is out of the car?
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Old 06-28-2006, 02:32 PM   #2
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Knock sensor, should replace it, just to be safe, freeze plugs, etc.
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Old 06-28-2006, 02:34 PM   #3
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thing that will be a bear to get to once the engine is installed!
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Old 06-28-2006, 02:50 PM   #4
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How many miles onthe new mill????

did you get to see it run before they pulled it??

how was oil press.??
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Old 06-28-2006, 05:02 PM   #5
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I haven't seen a knock sensor fail yet...

Stick with the ones you have..buy if you need to replace..they come straight out the bottom on S2'*.
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Old 06-28-2006, 06:59 PM   #6
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Change out your valve stem seals if you tear the heads off. Oil pump would be a good idea too. To lower your chances of spinning a bearing, I would replace the main and rod bearings while it is out. Water pump, since its a total bitch when its in the car.
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Old 06-29-2006, 01:14 PM   #7
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i haven't got the new motor yet. i did put an order in at my local yard. when a GTP shows up at auction and it runs, we're gonna grab it.

i'm not going into the shortblock as long as it'* solid. an if it isn't solid, i'm not gonna get it.
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