C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

What does the frisbee do?

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Old Sep 17, 2008 | 02:35 AM
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Default What does the frisbee do?

My buddy and I were working on his Dad's 88 Vette, and we pulled the frisbee off the front of the water pump, since it was in the way of the tensioner. Why did GM put that on the car in the first place?

I have seen prior posts regarding people taking them off, but never paid attention, since my 84's do not have them.

We were just wondering since we took it off, if we should put it back on.

Thanks
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Old Sep 17, 2008 | 02:45 AM
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Actually I did a search which I should have done in the first place. So to verify, it is to keep the belt on when the A/C kicks off an on or is it to reduce vibration in the engine from the A/C turning on and off?

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Old Sep 17, 2008 | 02:48 AM
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youre on the right track.
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Old Sep 17, 2008 | 03:02 AM
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Originally Posted by cuisinartvette





youre on the right track.
I dont think I will try that with the dumbell we pulled off the car
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Old Sep 17, 2008 | 04:04 AM
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We were just wondering since we took it off, if we should put it back on.
After I had the chat with Grodon Killebrew about the frisbee I removed it from my L98 and it now serves as a large paper-weight...
Since you have an '88 I suggest you put some thick lock-washers behind the bolt heads before attaching the WP pulley.
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Old Sep 17, 2008 | 10:21 AM
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I tossed my frisbee a few years ago. I never noticed any vibration with the ac on or off. Also the belt has never fallen off. You will pick up a hp or 2 when you remove the frisbee, some claim 10 hp.

Last edited by Kool88vette; Sep 17, 2008 at 10:23 AM.
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Old Sep 17, 2008 | 10:35 AM
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Originally Posted by 65Z01
After I had the chat with Grodon Killebrew about the frisbee I removed it from my L98 and it now serves as a large paper-weight...
Since you have an '88 I suggest you put some thick lock-washers behind the bolt heads before attaching the WP pulley.

Ok thanks for the info. We will do that today. I could have my buddy store it away with all the Bose stereo parts!
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Old Sep 17, 2008 | 10:37 AM
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Does anyone have a before and after photo?
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Old Sep 17, 2008 | 10:59 AM
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Here's an after:



It was removed so quickly from my car that I never got a before picture.
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Old Sep 17, 2008 | 12:43 PM
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Thanks, Andy. Did the frisbee removal really make any noticable difference that you could tell?
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Old Sep 17, 2008 | 02:09 PM
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Easier to change the belt IMO, especially if you just push the tensioner down with your hand
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Old Nov 18, 2008 | 08:21 AM
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Does the LT1 have this "frisbee" on the WP as well as the L98? I may want to remove it also, although I'm scared straight of anything to do with the LT1 WP! (I know what lurks beneath it!!!!!!)
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Old Nov 18, 2008 | 08:23 AM
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Originally Posted by Randy Munson
Does the LT1 have this "frisbee" on the WP as well as the L98? I may want to remove it also, although I'm scared straight of anything to do with the LT1 WP! (I know what lurks beneath it!!!!!!)
I believe no, it does not have a frisbee.
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