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01-08-2002, 07:57 PM
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#4 |
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Registered Member
Join Date: Mar 2001
Location: Chesapeake, VA USA
Posts: 69
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Funny you should ask because I just had my car dynoed yesterday with my 7" crank pulley (up from 6.5"). I added it to my 6psi PD blower. Unfortunetly I could only spin the engine to 5300rpm due to the belt slipping so I didn't get peak horsepower numbers, though I was up 7rwhp over my last dyno at that point. I would assume I would peak about 390-395rwhp. My entire curve moved up with the best gains at 4000rpm. At that point, I improved 30rwhp/41rwtq. Awesome little mod in my opinion. Also, I opted for the underdrive crank pulley built with it. Here is a break down.
RPM RWHP/RWTQ 2500 +10 +15 3000 +15 +20 3500 +20 +30 4000 +30 +41 4500 +15 +15 5000 +10 +10 5300 +7 +10 The pulley was the only power mod I made. I did drop my timing from 16 to 12 for safety but I am not sure how much that made a difference.
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2003 Redfire Cobra #5978 of 8394 -Pro-5.0 -DC cai -Steeda x-pipe w/cats -Steeda cat-back -Lightning pulley w/Afterburner 441rwhp/434rwtq SAE Last edited by 1995MGTS; 01-08-2002 at 08:20 PM.. |
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