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SC - with or wihout cams?

2544 Views 13 Replies 8 Participants Last post by  Etylorcen, 
S
Not trying to start a flaming post here either. I have a set of crower 403's sitting in my room with eibach dual series springs and ti-retainers. why havent i put them in? at the time i was deciding to buy them or not, vortech was still getting the kinks worked out on their SC for the teg. now its out, i have waited too long to put them in, bare in mind I hate the winter lol, but im sitting here wondering if I even should? i do plan on going with a vortech SC, so the point of my post is this- put the cams in or leave them out. i know on a turbo most people like to use stock or lightly modified loabed cams. what about on a SC? what are the pros and cons to having cams in? mind you, if you know about the 403's for a gsr, they have a much longer duration and lift.

thanks in advance.

By the way, if you look at my sig., with everything installed but the cams, springs and retainers, is approx~164whp bad, and what gains would i expect to see from the cams? revving up to 8k, thought about 8400, but im already putting enough pressure on the stock internals.
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When going F/I it's very beneficial to run mild cams. When tuned with gears it could increase HP from 10-20. You'll want to get cams with higher exhaust and intake lift, it'll allow for increased airflow which equals Hp.
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S
come on man, get a turbo... you know they're better... :p
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5
i'm just wondering this... you do realize that running 9000 rpm on a gsr bottom end isn't exactly a bad thing right? gsr bottom ends actually stand up to it pretty well... and if you've taken good care of the car then i'd say you just need a reprogrammed ecu and a v-afc to tune the cams in and you're set.
i say run the cams and see what they are like, the vortec superchargers are kind of weak on a small displacement car because they don't seem to make power anywhere, the power just keeps going up. i'm not an expert at all on this kind of stuff, nor do i claim to know a ton about n/a power or anything, but i have run the 403's and they gave me a 23 hp gain when properly tuned on an ls/vtec car. i say go with the cams and forget the vortec man.
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5gencivic said:
...but i have run the 403's and they gave me a 23 hp gain when properly tuned on an ls/vtec car. i say go with the cams and forget the vortec man.
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What did you have in your LSVTEC?
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N
centrifigal superchargers such as the vortech actually respond well to high duration high lift cams. you'd want a set of cam gears to dial out a little of the over lap but they should work great with vortech. just adding the cams should pick you up an xtra 17-23 hp to the wheels( once tuned of course). good luck .
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5
Dpr stage six head, 11.2:1 compression arias pistons, rods, fuel managment blah blah blah...
but that's when i was all done. when i put the cams in i had the dpr stage six head and i/h/e with a v-afc. before the cams i was making 175 hp. after the cams i was at 198 ish. after the cams i had to redo the bottom end because i threw a rod bearing and also put a rod through the block. the higher compression pistons netted me 210 wheel hp when i was all done. that was at 8350 rpm.
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5gencivic said:
Dpr stage six head, 11.2:1 compression arias pistons, rods, fuel managment blah blah blah...
but that's when i was all done. when i put the cams in i had the dpr stage six head and i/h/e with a v-afc. before the cams i was making 175 hp. after the cams i was at 198 ish. after the cams i had to redo the bottom end because i threw a rod bearing and also put a rod through the block. the higher compression pistons netted me 210 wheel hp when i was all done. that was at 8350 rpm.
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What was it that caused you to throw the rod bearing? I am just curious because I am planning a setup like this for this summer and I want to put all the disbelievers to rest.
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S
the fact that it is centrifugical was the primary idea in me usig the cams with the SC., but never-the-less, thanks for confirming it. ive heard a few good ideas about what I could do, but a quick question for ya, are you saying im looking at a 17-23whp gain just from 403 cams? (w/tuning and using my vafc). that would be quite impressive for the cams they are, but yeah i'll see how it goes. i am not sure if the Teg vortech sc had a power cooler in it or avilible yet, so we'll see whats up. im sure as shiat not buying it if it doesnt have teh power cooler in it yet. :D
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yes with just the cams you should pick up about 17 hp. with good tuning should get a little over 20
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SoFlaGS-T said:
come on man, get a turbo... you know they're better... :p
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hehe, not saying turbo's aren't better. i just bought a 2k1 ITR and plan on going turbo with that. i know its a 10.6:1 stock CR, in which the GSR with stock 10.0:1 would be better for a turbo (which I would drop the CR to 9.0:1). i kind planned on the vortech SC on my gsr for a while now. will I run a 100-shot wet kit with it? hehe only time will tell (yes somedays im crazy, lol).

all in all, turbo's power is unmatched, no doubt there. i dunno, now i have 2 cars and more options, 1 sc and 1 turbo sounds fun. :cool:
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SoFlaGS-T said:
come on man, get a turbo... you know they're better... :p
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if you getting a vortech, might as well... "turbo lag" isnt really an issue when you floor it. A centrifugal supercharger wont help much on the low end. its popular for the muscle heads cuz they got engines with all the power in the world down low and efficiency never was a virtue fo the engine.

4 bangers rely on efficiency, most efficient is a turbo.
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csufweed said:


if you getting a vortech, might as well... "turbo lag" isnt really an issue when you floor it. A centrifugal supercharger wont help much on the low end. its popular for the muscle heads cuz they got engines with all the power in the world down low and efficiency never was a virtue fo the engine.

4 bangers rely on efficiency, most efficient is a turbo.
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the world isnt one-sided. ive seen things done to cars which make no sense to me, but to the owner it makes perfect sense. i am not looking for a total ultra high hp car. a vortech sc with 100 shot wet kit will be plenty fast, even if i decide to run the no2. its just something different.

bottom line, i am not looking for efficiency here... more for just fun :)

good points, none the less...
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E
If you want just high peak horsepower numbers and torque numbers go w/ the vortech. If you want to actually be fast go w/ a jrsc or a turbo. Either way keep the cams off.
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