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FI close LSA dyno #s

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Old 08-12-2009, 08:04 AM
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Default FI close LSA dyno #s

I would like to see dyno #s on a 4xxci w/112Lsa long duration cam on a FI motor.
Old 08-12-2009, 12:30 PM
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Has anyone had any luck with a 112 lsa cam on an fi motor? I know that it would be better with a wider one but just wanted to know if anyone has made any power with A 112.
Old 08-12-2009, 03:23 PM
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I made 680rwhp with the stock 346, bolt-ons, D1@13psi and an F14 cam(232/234 .598/.598) or something like that on 112lsa.
New set-up is a 402, bolt-ons, F2@25psi and a big cam (248/250 .630/.630) or something like that on 112 + 4 and so far it's made 798rwhp blowing thru the converter. Should be closer to 900-1000rwhp with the new chance converter I put in it. I'll have it back on the dyno for a touch up on the tune soon.
Old 08-12-2009, 04:35 PM
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Build it like a bad *** NA motor and add boost....
Old 08-12-2009, 05:14 PM
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Originally Posted by cablebandit
Build it like a bad *** NA motor and add boost....
That strategy works better on a blower car than a turbo car.

Talking about a specific LSA is pointless. With turbos it has more to do with over lap. In other words a 222/222 with 112 LSA has less overlap than a 244/244 with a 114 LSA.
Old 08-12-2009, 06:01 PM
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Originally Posted by donnyshane69
I would like to see dyno #s on a 4xxci w/112Lsa long duration cam on a FI motor.
Wouldnt we all !!!!


A back to back of say 106, 110, 114 and 118 would be great...or that type of test.

Just to see how it really does affect things with a centrifugal.
Old 08-12-2009, 06:25 PM
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Originally Posted by 98Z28CobraKiller
That strategy works better on a blower car than a turbo car.

Talking about a specific LSA is pointless. With turbos it has more to do with over lap. In other words a 222/222 with 112 LSA has less overlap than a 244/244 with a 114 LSA.
i think a few here have proven otherwise. Intmd8 i believe it was tested a few cams and the more overlap the more power he made. Harlan did the same.
Old 08-12-2009, 06:33 PM
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more overlap and more duration...or just more overlap ?

Also, peak numbers may not be what its all about. For an auto race car....perhaps. For someone wanting good power, and a wide power band....overlap may become more important ? ( ie, a manual car )



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