Has anyone tested an UPD vs stock on the same day?

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May 29, 2003 | 07:57 PM

onfire

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From: Virginia

Has anyone tested an UPD vs stock on the same day?

At the track on a 5.3? How much et is it worth? TIA.

May 30, 2003 | 07:21 AM

onfire

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Coal Mining Director

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From: Virginia

Re: Has anyone tested an UPD vs stock on the same day?

ttt

May 30, 2003 | 09:08 AM

JWRENCH

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From: CLARKSVILLE,TN

Re: Has anyone tested an UPD vs stock on the same day?

The bad thing about computer controlled engines is that you can't just throw something on and make another pass and see results. You'd need to probably drive it a few days to really see the difference. Maybe some of the UPD fellas can chime in and give some before and after times for you though.