Skunk2 Stage 1 cams ok for JRSC
10-06-2007, 06:24 AM
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Re: Skunk2 Stage 1 cams ok for JRSC (FBP_EM1R)
Seeming a JRSC on a honda is like a quick all motor build, it should make power over stocks.
Wait, arent sk2stg1's smaller than ITR's?, if so, put ur ITR's back in.
Wait, arent sk2stg1's smaller than ITR's?, if so, put ur ITR's back in.
10-06-2007, 06:27 AM
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Re: Skunk2 Stage 1 cams ok for JRSC (93supercoupe)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 93supercoupe »</TD></TR><TR><TD CLASS="quote">Seeming a JRSC on a honda is like a quick all motor build, it should make power over stocks.
Wait, arent sk2stg1's smaller than ITR's?, if so, put ur ITR's back in.</TD></TR></TABLE>
I'd imagine or atleast hope they arent smaller then ITR's...
Wait, arent sk2stg1's smaller than ITR's?, if so, put ur ITR's back in.</TD></TR></TABLE>
I'd imagine or atleast hope they arent smaller then ITR's...
10-06-2007, 09:09 AM
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Don't use them. I can't remeber if it's the lift or duration thats too big, but I ran them on my s/c lsvtec last year only made 6psi on a set up that should have made 10. I switched to gsr's and everything was where it should be.
If you have ITR cams, run an ITR ex and maybe try and find a gsr in.
If you have ITR cams, run an ITR ex and maybe try and find a gsr in.
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10-09-2007, 10:59 AM
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Re: (allmotor89hf)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by allmotor89hf »</TD></TR><TR><TD CLASS="quote">Don't use them. I can't remeber if it's the lift or duration thats too big, but I ran them on my s/c lsvtec last year only made 6psi on a set up that should have made 10. I switched to gsr's and everything was where it should be.
If you have ITR cams, run an ITR ex and maybe try and find a gsr in.</TD></TR></TABLE>
Did you dyno tune it before and after? Because that alone is not a bad thing at all....
If you have ITR cams, run an ITR ex and maybe try and find a gsr in.</TD></TR></TABLE>
Did you dyno tune it before and after? Because that alone is not a bad thing at all....
10-09-2007, 04:06 PM
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I have seen dyno sheets of boosted B-Series running Stg1's, they hold torque WAY better than ITR cams, search on Evans-tuning.com forum for the dyno sheets
10-10-2007, 05:28 AM
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Re: (96 GSR-T)
Camshaft dynamics in a turbo motor are WAY different than a SC motor. I really think the skunk 2 exhaust cam will work well with a gsr intake cam. We dyno'd and ran the itr/gsr combo on one of our project cars and it definitely worked out well for us. I always wanted to try a bigger exhaust cam but never got around to it.
10-10-2007, 04:14 PM
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Re: (FBP_EM1R)
Super charged motor with high duration cams=no good. Duration is basically the time both intake and exhaust valves are open at the same time. So if intake and exhaust valves are both open on a Super charged application, the boost created by the charger blows itslef straight through the motor not making the power it would if the boost was kept in the cylinder.
10-10-2007, 09:15 PM
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Re: (allmotor89hf)
a loss of boost on a sc engine typically is a indication that the engine is flowing more air. i'm willing to bet you would have made more power with the s2 cams. servion tuned a prelude with a jrsc and after building a 3" exhaust it lost almost 2psi of boost but picked up 20-30hp if I remember correctly. positive displacement superchargers move a given amount of air per revolution. what ever the engine can digest shows up as positve manifold pressure(boost). less restriction=less manifold pressure yet more air flowing through the engine. so more boost doesn't always mean more power 
bigger cams can make more power but may need to have cam gears to dial out some of the overlap.
bigger cams can make more power but may need to have cam gears to dial out some of the overlap.
10-11-2007, 04:59 AM
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Re: (GA-AutoFab)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by GA-AutoFab »</TD></TR><TR><TD CLASS="quote">a loss of boost on a sc engine typically is a indication that the engine is flowing more air. i'm willing to bet you would have made more power with the s2 cams. servion tuned a prelude with a jrsc and after building a 3" exhaust it lost almost 2psi of boost but picked up 20-30hp if I remember correctly. positive displacement superchargers move a given amount of air per revolution. what ever the engine can digest shows up as positve manifold pressure(boost). less restriction=less manifold pressure yet more air flowing through the engine. so more boost doesn't always mean more power
bigger cams can make more power but may need to have cam gears to dial out some of the overlap.</TD></TR></TABLE>
well said
bigger cams can make more power but may need to have cam gears to dial out some of the overlap.</TD></TR></TABLE>
well said
10-11-2007, 08:22 AM
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Re: (GA-AutoFab)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by GA-AutoFab »</TD></TR><TR><TD CLASS="quote">a loss of boost on a sc engine typically is a indication that the engine is flowing more air. i'm willing to bet you would have made more power with the s2 cams. servion tuned a prelude with a jrsc and after building a 3" exhaust it lost almost 2psi of boost but picked up 20-30hp if I remember correctly. positive displacement superchargers move a given amount of air per revolution. what ever the engine can digest shows up as positve manifold pressure(boost). less restriction=less manifold pressure yet more air flowing through the engine. so more boost doesn't always mean more power
bigger cams can make more power but may need to have cam gears to dial out some of the overlap.</TD></TR></TABLE>
The SC v8 guys see this all the time..... run x psi and make y power, then put on some better heads and see less boost and more power...
bigger cams can make more power but may need to have cam gears to dial out some of the overlap.</TD></TR></TABLE>
The SC v8 guys see this all the time..... run x psi and make y power, then put on some better heads and see less boost and more power...
10-15-2007, 02:04 PM
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Re: (allmotor89hf)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by allmotor89hf »</TD></TR><TR><TD CLASS="quote">Don't use them. I can't remeber if it's the lift or duration thats too big, but I ran them on my s/c lsvtec last year only made 6psi on a set up that should have made 10. I switched to gsr's and everything was where it should be.
If you have ITR cams, run an ITR ex and maybe try and find a gsr in.</TD></TR></TABLE>
We have several HI Horsepower cars out there running our N/A B Pro 1's after removing GSR and ITR cams only to see an average gain of 50-60 HP @ 3-4 less psi and 6-800 rpm quicker spool up.
Pulling the cams out because you saw less boost may have been a little premature...
Customers please contact Skunk2 or a well know engine builder when it comes to questions like these...
If you have ITR cams, run an ITR ex and maybe try and find a gsr in.</TD></TR></TABLE>
We have several HI Horsepower cars out there running our N/A B Pro 1's after removing GSR and ITR cams only to see an average gain of 50-60 HP @ 3-4 less psi and 6-800 rpm quicker spool up.
Pulling the cams out because you saw less boost may have been a little premature...
Customers please contact Skunk2 or a well know engine builder when it comes to questions like these...
10-15-2007, 05:24 PM
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Re: (eK24monster)
a buddy of mine is running the SC on his gsr with headwork, s2s2, jdm 4-1 with full 2.5in exhaust and made 255whp. I belive this was on 9psi. I think this is pretty good.
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