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Contemplating CAM change?????

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Old 11-23-2006, 08:46 AM
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Default Contemplating CAM change?????

I have been thinking of changing Cams and Flycutting the pistons to suit a large duration Cam, which Cam should I go with to get noticable gains? Keep in mind that I road course this car and that the Car weighs 2900#'s with me in it. I also just purchased a ported TB and a Fidanza aluminum Flywheel to add to the combo.

93 Mazda RX-7
01 LS1, T56
30#fms injectors
LS6 intake, 241 heads stage 1 TEA Milled 0.030, stock valves
Cometic 0.040 Head Gaskets
intake exhaust
.100 71.0 52.6
.200 136.4 109.2
.300 207.2 159.1
.400 249.1 203.8
.500 280.1 230.8
.550 288.5 239.2
.600 291.1 245.2
CAM- Futral F6 226/230 .575/.595 112lsa
ARP rod bolts, and stock TB.
LS2 timing chain, ASP UD pulley
1 7/8 LT's 2.5in true dual exhaust

Put down 418rwhp 384rwtq thru cats, steel flywheel, steel driveshaft, and a rough tune. Since then it has been retuned on the street and it is definetly making more power.

What CAM would you go with?
Old 11-23-2006, 09:37 AM
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231/239, .643/.649 111+2

6.5>IVO
44.5>IVC
52.5>EVO
6.5>EVC
113>ECL
13>overlap
Old 11-23-2006, 10:28 AM
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I guess I have to custom order this cam? Where from? What kind of grind? XER? LSK?
Old 11-23-2006, 10:51 AM
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yes, custom grind LSK lobes (TSP, TR or anyone that carries Comp Cams)

Lobes are:
2128 int
2130 exh
Old 12-01-2006, 10:26 AM
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Why so much duration on the exhaust?
Old 12-01-2006, 11:37 AM
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why not?
Old 12-01-2006, 01:29 PM
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Originally Posted by FDLS1
What CAM would you go with?
get my cam...224/228 .581.588@114




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