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 Post subject: JRSC
PostPosted: Wed Aug 24, 2011 8:15 pm 
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peon
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OK GUYS picked up a jrsc for 800, just it cleaned up new gaskets and and everything,,,,its going on my b20z,, 6lbs boost (ls crank pulley for now)

what cams can i put with this ?
i know everyone says stock cams, but what about turbo cams frm crower?

looking to get roughly 200 whp..


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 Post subject: Re: JRSC
PostPosted: Thu Aug 25, 2011 8:47 am 
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any FI cams will work, i actually have been trying to sell a set of old school crane powermax cams that i bought brand new in box that are specifically for non vtec b series turbo/supercharger setups that require no valve train upgrades and use the stock cam sprockets. I bought them for my JRSC setup on my b18b1 but went with custom grinds instead for a whole lot more money lol but in all the dyno sims i ran when looking for cams these were making the most power under 7500 rpm which was where i wanted to stay in the power band.


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 Post subject: Re: JRSC
PostPosted: Fri Aug 26, 2011 8:37 am 
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peon
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I dnt wannlose my lowend evry cam i see doesn't kick n till 3500 rpm i like the powerfrim start n dnt wannt lise that


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 Post subject: Re: JRSC
PostPosted: Sat Aug 27, 2011 11:01 am 
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turbo cams are good..also look at an aggressive all motor cam too..those work good as well

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 Post subject: Re: JRSC
PostPosted: Sun Aug 28, 2011 11:35 am 
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Integraguy04 wrote:
turbo cams are good..also look at an aggressive all motor cam too..those work good as well


aggressive all motor cams are the LAST thing you would ever want to use on a boosted setup, the overlaps are not designed for boost, you wind up pushing boost right out the exhaust side of the motor due to excessive cam overlap. All forced induction cams have the least amount of overlap between the two cams, so that you build lots of cylinder pressure with positive pressure on the intake side while the exhaust valve is closed.


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 Post subject: Re: JRSC
PostPosted: Mon Aug 29, 2011 5:04 pm 
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Spawne32 wrote:
Integraguy04 wrote:
turbo cams are good..also look at an aggressive all motor cam too..those work good as well


aggressive all motor cams are the LAST thing you would ever want to use on a boosted setup, the overlaps are not designed for boost, you wind up pushing boost right out the exhaust side of the motor due to excessive cam overlap. All forced induction cams have the least amount of overlap between the two cams, so that you build lots of cylinder pressure with positive pressure on the intake side while the exhaust valve is closed.


ok, there are a few guys on this forum that have had great success with all motor cams in a forced induction setup

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94 Red Acura Integra B20/Vtec
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 Post subject: Re: JRSC
PostPosted: Tue Aug 30, 2011 5:10 am 
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Integraguy04 wrote:
Spawne32 wrote:
Integraguy04 wrote:
turbo cams are good..also look at an aggressive all motor cam too..those work good as well


aggressive all motor cams are the LAST thing you would ever want to use on a boosted setup, the overlaps are not designed for boost, you wind up pushing boost right out the exhaust side of the motor due to excessive cam overlap. All forced induction cams have the least amount of overlap between the two cams, so that you build lots of cylinder pressure with positive pressure on the intake side while the exhaust valve is closed.


ok, there are a few guys on this forum that have had great success with all motor cams in a forced induction setup


having a larger cam will always yield better results, but your gains will be minimal compared to what you could gain with a proper forced induction cam, the lobe separation angle and overlap are the biggest enemies of boost when it comes to cams.


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 Post subject: Re: JRSC
PostPosted: Thu Sep 08, 2011 6:47 pm 
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I have also seem many boosted setups using larger NA cam with great results. Its in the timing and tuning of the cams. Look at 2JZ cams they are all for turbos and some have pretty large lift. Nice score on the JRSC.


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