Mountain Pass Adventures in Utah....269* Trans, 248* Coolant - Page 2 - 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 06-19-2007, 01:26 AM   #11
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Where did you get the larger rad?
Part number or description?
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Old 06-19-2007, 07:00 AM   #12
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It won't fit your car, Paul.
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Old 06-19-2007, 07:49 AM   #13
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it will fit my car though. That radiator will fit a 92-99. Something else of note is in junkyarding...I've noticed Buicks seem to have gotten a thicker core.
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Old 06-19-2007, 05:41 PM   #14
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Quote:
Originally Posted by BillBoost37
it will fit my car though. That radiator will fit a 92-99. Something else of note is in junkyarding...I've noticed Buicks seem to have gotten a thicker core.
Yes that Radiator should fit 88-99... It will not fit 00+

I believe that most of the replacements use the HD core.. I need every bit I can get here in FL..

I have never noticed the Buicks having the thicker core... I will have to Take a Glance at a few as well... Very interesting

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Old 06-19-2007, 08:55 PM   #15
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Is this replacement from GM or from any parts store when you tell them your car/year? Or a P/N if you have one.
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Old 06-19-2007, 09:21 PM   #16
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I think it was Boosty that made the recommendation to me a Year or so ago..

www.radiatorexpress.com

Thats where I get all of my Radiators now..

This one came with the fittings for the newer style tranny cooler.. All 92-99'* will have the newer ( larger fittings ).. My last one did not have the fittings, but I bypassed the internal cooler anyhow..

I am not sure if I will do the same for the 91 or not..

And Mine are not GM replacements..

The one for the 95 was actually a Caddy 4.9V8 radiator that I was sent.. I did not expect it, But I sure was not going to return it...lol... Its still in use...

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Old 06-19-2007, 11:02 PM   #17
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I think we all missed the major issue with this topic. Cooling isn't it.

NO OIL PRESSURE.

Why are you still driving this car, Hans?
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Old 06-19-2007, 11:46 PM   #18
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How low will the pressure get at 200F idling for a period of time? and what kind of oil are you using?

and with a 3800 you should see 60 Psi at 1800 rpms

35 Psi at 1800 is not a good thing... And 5-10 at idle on a Buick engine is bad to say the least..

If the bottom end is getting toasted, you could be creating more heat and could be beating the life out of the oil as well

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Old 06-20-2007, 09:07 AM   #19
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From the pic above, he'* either rolling into boost our out of boost, so he'* not at idle. Regardless, with it reading that low at ANY RPM, that engine is shot.
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Old 06-20-2007, 09:29 AM   #20
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I'd be looking for the KR when pressure is that low. That will tell the tale of what the bearings are feeling. As my bearings started and pressure was ~40 @ 2000 rpm, I had 14-15 KR.
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