Big cams little Turbo
Kelford / GSC S2 they seem to be a kind of good investment... some people said that on a stock EVO IX the S2 didn't make losing bottom. But if i have a tune on my EVO VIII but with the stock turbo, did i will notice a big lost on bottom... (Bigger turbo is for later)
springs are necessary for the S2 but with EVO with not a lot of mods... did we need the retainers too or we can pu it like a year after when upgrade turbo ?
springs are necessary for the S2 but with EVO with not a lot of mods... did we need the retainers too or we can pu it like a year after when upgrade turbo ?
Thread Starter
Joined: Jan 2004
Posts: 11,406
Likes: 78
From: Northwest
Thread Starter
Joined: Jan 2004
Posts: 11,406
Likes: 78
From: Northwest
Yes, stock CAMS ARE WAY BETTER THAN Brian Crower 272s. Dyno sheet for proof:
BC272 is the 332whp, S2s are the 356. Same day we dyno'd that car with the BC's every stock cam IX made 340+ with the same mods. Dont look at peak boost which in this case is torque, look at the boost plot versus peak power and you'll see the S2s made more with less.
I dont think cam gears will help them, they arent worth putting in a IX period. I agree totally about saving and paying for the right cams to begin with.
Radically different cams, the S2s are 274/274 and the Kelford D cams are 280/282.
Jim, I didnt notice too much of a drop in low end on the VIIIs we do with the S2s. They seem to be very responsive despite their size.
BC272 is the 332whp, S2s are the 356. Same day we dyno'd that car with the BC's every stock cam IX made 340+ with the same mods. Dont look at peak boost which in this case is torque, look at the boost plot versus peak power and you'll see the S2s made more with less.
In my opinion yes. The BC's will gain you a little power, but you will need to degree them with an adjustable cam gear and even then won't give you nearly the gains as a "good" cam. If you're going to go through the effort of installing cams (or paying to have it done), you might as well spend a little extra and actually get a proper camshaft.
Kelford / GSC S2 they seem to be a kind of good investment... some people said that on a stock EVO IX the S2 didn't make losing bottom. But if i have a tune on my EVO VIII but with the stock turbo, did i will notice a big lost on bottom... (Bigger turbo is for later)
springs are necessary for the S2 but with EVO with not a lot of mods... did we need the retainers too or we can pu it like a year after when upgrade turbo ?
springs are necessary for the S2 but with EVO with not a lot of mods... did we need the retainers too or we can pu it like a year after when upgrade turbo ?
excellent... you have a new fan of GSC S2... the choice is made... we'll just wait to buy a pair... but im just asking myself if we got to put the retainer too when we put them??? ... i know for the spring...
that's the retainer making the cams kit $$$
that's the retainer making the cams kit $$$
That all depends on your setup and what springs you're planning on running. I think what Scheides is trying to say is that the standard beehive springs for use with the stock seats/retainers are adequate for the majority of setups.
Yes, stock CAMS ARE WAY BETTER THAN Brian Crower 272s. Dyno sheet for proof
while this may be true it may be that the setup wasnt ready for bigger cams.
many years ago I upgraded from HKS 272 to crower 280s. The upgrade was like installing cams for first time. car picked up 4mph at track with just cam change. this was on a stroker with 25g turbo.
a couple years ago I had a car with 264 cams and a 2.3/20g. I heard rave reviews about gsc cams so I bought some gsc 280s for the car. that upgrade day was the most dissapointing to date. car lost power everywhere. the losses down low were like 600rpm spool loss and 50tq loss. setup simply was not ready for some big cams.
while this may be true it may be that the setup wasnt ready for bigger cams.
many years ago I upgraded from HKS 272 to crower 280s. The upgrade was like installing cams for first time. car picked up 4mph at track with just cam change. this was on a stroker with 25g turbo.
a couple years ago I had a car with 264 cams and a 2.3/20g. I heard rave reviews about gsc cams so I bought some gsc 280s for the car. that upgrade day was the most dissapointing to date. car lost power everywhere. the losses down low were like 600rpm spool loss and 50tq loss. setup simply was not ready for some big cams.
Account Disabled
Joined: Jan 2010
Posts: 356
Likes: 0
From: on the street
Yes, stock CAMS ARE WAY BETTER THAN Brian Crower 272s. Dyno sheet for proof
while this may be true it may be that the setup wasnt ready for bigger cams.
many years ago I upgraded from HKS 272 to crower 280s. The upgrade was like installing cams for first time. car picked up 4mph at track with just cam change. this was on a stroker with 25g turbo.
a couple years ago I had a car with 264 cams and a 2.3/20g. I heard rave reviews about gsc cams so I bought some gsc 280s for the car. that upgrade day was the most dissapointing to date. car lost power everywhere. the losses down low were like 600rpm spool loss and 50tq loss. setup simply was not ready for some big cams.
while this may be true it may be that the setup wasnt ready for bigger cams.
many years ago I upgraded from HKS 272 to crower 280s. The upgrade was like installing cams for first time. car picked up 4mph at track with just cam change. this was on a stroker with 25g turbo.
a couple years ago I had a car with 264 cams and a 2.3/20g. I heard rave reviews about gsc cams so I bought some gsc 280s for the car. that upgrade day was the most dissapointing to date. car lost power everywhere. the losses down low were like 600rpm spool loss and 50tq loss. setup simply was not ready for some big cams.
How do S2's idle on a IX? I have yet to hear a set up close. Only heard S1's which seem to suite me but power wise don't seem to justify the cost for me atleast. I don't prefer big lope and sitting in the car I don't particulary want my car and dash to shake as I have enough rattles with 12kg coilovers. Any input on this?
K. Made it to page 10 before my eyes fell out.
This single thread alone, by the way, has prompted me to turn off sigs. LOL.
Anyway, my car sees 2-3 track days (buttonwillow, usually), a couple auto-xs, and an occasional weekend fun drive. My mods are in my sig. I plan to never port the head. Plan to keep stock rev limit so as not to require springs/retainers.
On my work bench are a set of Tomei PonCams and Cosworth M2s.
Advice? Are the M2s more than I need?
This single thread alone, by the way, has prompted me to turn off sigs. LOL.
Anyway, my car sees 2-3 track days (buttonwillow, usually), a couple auto-xs, and an occasional weekend fun drive. My mods are in my sig. I plan to never port the head. Plan to keep stock rev limit so as not to require springs/retainers.
On my work bench are a set of Tomei PonCams and Cosworth M2s.
Advice? Are the M2s more than I need?
