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5.3L in a 89' Caprice 9C1

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Old 09-28-2015, 11:30 AM
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Just an update to any still following this, the Caprice is still running strong, no other mechanical failures to speak of other than the intake manifold issue...I've put about 15,000 miles on it in 2.5 years. I get about 12 mpg average with it. I've been to the race track a few times, and fastest I'm able to get down the track on 275/60/15 street tires is a 12.08 @ 118 mph. 4100 lbs.

here's a video of it after going back together fixing the intake.

here's a few passes at the local drag strip.

and a video on the dyno.
Old 09-28-2015, 12:25 PM
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Very cool! Didn't look like any losses at the strip.
Old 09-29-2015, 04:15 AM
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Originally Posted by busta9876
Just an update to any still following this, the Caprice is still running strong, no other mechanical failures to speak of other than the intake manifold issue...I've put about 15,000 miles on it in 2.5 years. I get about 12 mpg average with it. I've been to the race track a few times, and fastest I'm able to get down the track on 275/60/15 street tires is a 12.08 @ 118 mph. 4100 lbs.

here's a video of it after going back together fixing the intake. https://www.youtube.com/watch?v=IFu4hlUTWSQ

here's a few passes at the local drag strip. https://www.youtube.com/watch?v=CXgXN7RJudg

and a video on the dyno. https://www.youtube.com/watch?v=5d0E9AgWPiQ
Very impressive.
Old 10-03-2015, 12:13 AM
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back at the drag strip tonight with some ET Street's. 11.400 @ 116, finally getting a better 60' 1.77


Old 10-05-2015, 10:22 PM
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Great build! I'd love to do a LS swap on my '91 Caprice. Maybe some day.



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