Will this cam and exhaust combo work?
#11
11-23-2011, 10:14 PM
The 48 is similar to the 255 but will not fall on it's face above 4000rpms. The 48 will bump up corrrected and cranking compression which should move the torque curve to the left a bit compared to, say the TMan 555 or SE204 but the difference would probably not register on the butt dyno.
Whether or not some low end is lost with TDs is a hotly debated subject but dyno sheets show some softness on the low end when a 2:1 system is replaced with a set of TDs. Rineharts are the only TDs I would run; the head pipes are stepped thrice as compared to others that are stepped twice. JMHO.
If choosing between the TMan and 204, as much as I like the 204, I think I would go with the TMan cams. Good luck!
Whether or not some low end is lost with TDs is a hotly debated subject but dyno sheets show some softness on the low end when a 2:1 system is replaced with a set of TDs. Rineharts are the only TDs I would run; the head pipes are stepped thrice as compared to others that are stepped twice. JMHO.
If choosing between the TMan and 204, as much as I like the 204, I think I would go with the TMan cams. Good luck!
Last edited by thewholehog; 11-23-2011 at 10:43 PM.
#12
11-23-2011, 10:16 PM
Hi petewerner, those are some very respectable numbers you have there with the SE255s.... Is your build a factory 103" at 9.6 compression? or a 103" big bore?
#14
11-23-2011, 10:58 PM
Yes I agree they need more compression to work "optimally" but Fuel Moto has done some extansive dyno testing of this cam in stock 103" factory motors at stock compression and have produced some amazing numbers!! Just check their website for the dyno charts.
If I didn't have the Rinehart True Duals I would definitely go with the Woods 555, its only my choice of pipe that has made me 2nd guess these cams.
If I didn't have the Rinehart True Duals I would definitely go with the Woods 555, its only my choice of pipe that has made me 2nd guess these cams.
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