What do you think about this LT1 turbo cam.
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What do you think about this LT1 turbo cam.
Ok well I called Cmotorsports and this is the cam they spec'd out for me. My cars gonna be
355ci
8.7-9.0:1
t-76/14psi
6 speed
3.42's
and I dont wanna rev past 6-6200(i told them 6k)
and they spec'd me out this
227/224 .569/.573(1.6r) 114+3
what do you guys think?
355ci
8.7-9.0:1
t-76/14psi
6 speed
3.42's
and I dont wanna rev past 6-6200(i told them 6k)
and they spec'd me out this
227/224 .569/.573(1.6r) 114+3
what do you guys think?
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No PTK headers. Why what do you think I should run? I was told 220/220 by someone else..but I wasnt given LSA or lift....but I need a specific cam so I know what to order. remember..I only want to rev to 6k
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Originally Posted by DrTurbo
I would run a 220/220 .540/.540 lift on a 114LS. That is one of the cams Jose has written down for 5800-6000.
yeah I tried to get specs but havent heard anything back from him. is the 540/540 on a 1.6 rocker? and is that the exact LSA or is it 114+1,2,3,4????
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#8
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Originally Posted by engineermike
224/224-114 Comp. It's been proven to almost 1200 rwhp. Don't bother with reverse splits. Check out my cam: 224/236-114.
Mike
Mike
yeah that is a good cam..but I wanted to keep the powerband down. I figure I can save the motor a lil stress by keeping the rpms down 500-1000rpms..esp with the turbo...plus I dont think ill need em. My goal is 10.99..no specific HP.(if i had to chose between 500hp and 10's or 9,000hp and 11's...id go with the lower hp)..this car wont be a dyno queen.
#9
Originally Posted by TransAm6383
yeah that is a good cam..but I wanted to keep the powerband down. I figure I can save the motor a lil stress by keeping the rpms down 500-1000rpms..esp with the turbo...
Secondly, I could argue that lowering the rpm range of a turbo motor actually increases stress on the motor because of the greater torque output, and thus cylinder pressure, required to meet any given hp requirement.
Mike
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Originally Posted by engineermike
First of all, the 224/224-114 cam will put the hp peak around 5400 rpm. That's pretty low if you ask me.
Secondly, I could argue that lowering the rpm range of a turbo motor actually increases stress on the motor because of the greater torque output, and thus cylinder pressure, required to meet any given hp requirement.
Mike
Secondly, I could argue that lowering the rpm range of a turbo motor actually increases stress on the motor because of the greater torque output, and thus cylinder pressure, required to meet any given hp requirement.
Mike
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Originally Posted by engineermike
First of all, the 224/224-114 cam will put the hp peak around 5400 rpm. That's pretty low if you ask me.
Mike
Mike
Just wanting some more info thats all.
Jon
#15
First, my car, with 224/236-114 peaks at 5800 with 363 - 383 cid and the LT4 intake (higher rpm range than LS1). Also, that was with a very loose converter that flashes to 5400, so I bet the hp peaks lower than what was measured.
Second, check out this dyno graph of a 302, high port heads, single T-74, carb, 29 psi boost, and a 226/226-114 cam:
http://www.turbomustangs.com/project...tdavisdyno.jpg
Notice the peak is at 5300 rpm, and that's with a Victor Jr. intake, only 302 cid, and 226@.050, which should all actually increase the rpm range over the typical LS1 turbo.
Mike
Second, check out this dyno graph of a 302, high port heads, single T-74, carb, 29 psi boost, and a 226/226-114 cam:
http://www.turbomustangs.com/project...tdavisdyno.jpg
Notice the peak is at 5300 rpm, and that's with a Victor Jr. intake, only 302 cid, and 226@.050, which should all actually increase the rpm range over the typical LS1 turbo.
Mike
#17
Originally Posted by TransAm6383
...i wish i could get the specs on that 220 cam..so i can go ahead and order it...
You could grind a Comp cam that's:
218/218-114, .528/.528
224/224-114, .536/.536
224/224-114, .605/.605
Which one you choose depends on whether or not you want to tweak the power range down just a shade, or up slightly, and how much lift you can run. Honestly, you probably wouldn't see more than 200 rpm difference between all these. If your valvesprings will take the lift, go with the .605. There's nothing magic about a cam that's exactly 220/220. I've tried 2 cams in mine (224/236 and 226/226) plus another (230/230) in a very similar combination and the hp, torque, and rpm range was almost identical on all, even using 363, 377, 383, and 388 cid.
Mike
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i think your missing what ive been asking....the LSA that they gave me was +3 would i go with just a straight up 220/220 .540/.540 114? also..would i tell them that the .540 was on a 1.6 rocker?
i have the beehive springs...so i dont mind going a little higher...
i have the beehive springs...so i dont mind going a little higher...
#19
+3 is the advance, not the LSA. Again, you could probably go with anything from 0 to +4 and see a very small difference on the dyno. +4 will be just a touch more responsive on low end.
If you order a custom grind from Comp, you'll give them the lobe number for the profile you want. For instance, if you want the 224/224-114, +4, .605/.605, you'll need to call them and tell them you want lobe number 3192 for the intake and exhaust, ground on a 114 LSA, 4 deg advanced.
The lobe listing is here:
http://www.compcams.com/catalog/230.html
If you order a custom grind from Comp, you'll give them the lobe number for the profile you want. For instance, if you want the 224/224-114, +4, .605/.605, you'll need to call them and tell them you want lobe number 3192 for the intake and exhaust, ground on a 114 LSA, 4 deg advanced.
The lobe listing is here:
http://www.compcams.com/catalog/230.html
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ok so that +# wont make a different when putting it in.. i guess im just gonna go with what he suggested. 220/220/ .540.540 114 . cmotorsports will order it for me. they said they could have it to me in a week.