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Old 03-09-2005, 02:21 PM   #1
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Default engine pulley

I was wondering what size pulley icould put on a 95 buick rivera with a series 1 3800 engine i thought maybe a 2.2 but I was sure. I haven't really done any mods to it yet because I just got it
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Old 03-09-2005, 03:07 PM   #2
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You would be best off going down to a 2.5" pulley. I believe you have a 2.8" stock. You will need a good flowing intake, at least a 180* t-stat, and some colder spark plugs to support the extra boost.
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Old 03-09-2005, 04:03 PM   #3
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I thought that the stock one was a 2.5
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Old 03-09-2005, 04:04 PM   #4
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I believe on the 94 and 95 years of the Series I engine, it had the 2.8. On the 92 and 93 engines, it had a 2.5.
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Old 03-09-2005, 04:33 PM   #5
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Correct. Smallest for you would be 2.5".
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Old 03-13-2005, 05:25 PM   #6
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Quote:
Originally Posted by Sol
I believe on the 94 and 95 years of the Series I engine, it had the 2.8. On the 92 and 93 engines, it had a 2.5.
actually i think it was 2.55 but its not much of a difference.
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Old 04-16-2005, 01:50 PM   #7
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what kinda of spark plugs would best work for me the NGK'*
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Old 04-16-2005, 03:41 PM   #8
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NGK TR-55 V-Power plugs gapped at .055". The Riviera intake is HORRIBLE. Don't upgrade your pulley until you fix that.
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Old 04-16-2005, 04:07 PM   #9
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Quote:
Originally Posted by willwren
NGK TR-55 V-Power plugs gapped at .055". The Riviera intake is HORRIBLE. Don't upgrade your pulley until you fix that.
Yes....Get a rice pipe before hand....
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Old 04-17-2005, 02:03 AM   #10
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Ya I was looking at that when I got the car it looks very restrictive I tryed to remove the MAF screen in the throttle body but had to put it back in because of very poor idle I was think if I got a better flowing intake that it would help with idle when driving at low speeds because that is when i noticed the poor idle when driving at low speeds
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