JRSC+ turbo spec cam's?

[Touge Tom]

is there anyone out there? that has used skunk2 turbo stage 1 or 2 cam's on a supercharger setup? (or just turbo cam's in general?) i was reading the description of both cam's. and both claim to have good low to mid range tq/hp ability. what my concern is that being a turbo spec cam. and turbo's working better in the mid to high revs, requiring less cam duration. where as a supercharger working better from low to mid rev's and slacking off in the high end. now with the same cam's i'd imagine the low to mid would be better than factory. but when the blower begins to run out of puff would turbo cam's have any benefit to match with the inefficiency of a supercharger in the high revs.

[TODA AU]

is there anyone out there? that has used skunk2 turbo stage 1 or 2 cam's on a supercharger setup? (or just turbo cam's in general?) i was reading the description of both cam's. and both claim to have good low to mid range tq/hp ability. what my concern is that being a turbo spec cam. and turbo's working better in the mid to high revs, requiring less cam duration. where as a supercharger working better from low to mid rev's and slacking off in the high end. now with the same cam's i'd imagine the low to mid would be better than factory. but when the blower begins to run out of puff would turbo cam's have any benefit to match with the inefficiency of a supercharger in the high revs.

Turbo cams won't work so well, SC cams tend to have shorter intake duration than exhaust as the pressure differntial accross the motor is quite differnt to N/A or turbocharged.
So to get it to work with SK2 products, you'd likley need a tuner 2 turbo intake cam together with a tuner 1 exhaust cam,
Another way to go would be Brian crower stge 2 turbo intake together with BC stge 2 N/A spec exhaust cam.
There's not really any decent cam sets specifically for SC that i can think of though.
Hope that helps.

[Touge Tom]

Thanks for that. Now its just a matter of mix n match?

[TODA AU]

Thanks for that. Now its just a matter of mix n match?
Yeah, so where an N/A cam set is equal or on average up to 10deg longer in the intake duration,
S/C cams are the other way where the intake is shorter (pref high lift) with a longer duration exhaust.
The LCA's used generally are differnt too with less overlap & more lead & lag.

[shmivic]

Assuming your car's b-series?

If it's a K, look at IPS SC cam's. Seem to get a fairly decent review.

[Touge Tom]

yeah its a b20vtec. been looking all over the web but cant find any thing specific on S/C cam's for the B series that why turbo spec cams came to mind.

[shmivic]

Consider the Skunk2 Turbo 2 cams?

[Jccck]

Consider the Skunk2 Turbo 2 cams?

Did you even read the post??

OP, i know that Bisimoto(WebCams) and Delta will do custom spec Cams.. If you're really serious about getting this perfect maybe hit one of them up for a SC specific grind?

[shmivic]

^ i did initially, although forgot when posted that!

my bad.

[Touge Tom]

Would these cam spec surfice?
Primary: 5deg btdc
5deg abdc
Absolute dur: 190deg and lca @ 95deg

Vtec:5deg btdc
45deg abdc
Absolute dur: 225deg and lca @ 112deg

Secondary: 5deg btdc
30deg bbdc
Absolute dur: 155 and lca @ 72.5deg

Now thats just the intake. For the exhaust I was thinking maybe 10 more on all values with as close to or none overlap.

Opinions please?