Wifes C5 cam and 243's
Wifes C5 cam and 243's We have a 99 c5 my wife daily drives and loves taking it to the drag strip.
Im planing to keep the stock converter and do a small cam and milled 243's. Im thinking something like the gm hot cam will have a nice sound and use ls6 springs so durability will not suffer. Basically looking for a torque cam that goes from idle to 6000 rpm. Im open to a different cam as long as durability is still there. Im planning to mill a set of 243's. How much can i mill on a small cam without issues? The only current mods are ls6 intake, underdrive pulley, mufflers and tune. cam specs 219/228 .525"/.525" 112 LSA
Thanks for your help.
Im planing to keep the stock converter and do a small cam and milled 243's. Im thinking something like the gm hot cam will have a nice sound and use ls6 springs so durability will not suffer. Basically looking for a torque cam that goes from idle to 6000 rpm. Im open to a different cam as long as durability is still there. Im planning to mill a set of 243's. How much can i mill on a small cam without issues? The only current mods are ls6 intake, underdrive pulley, mufflers and tune. cam specs 219/228 .525"/.525" 112 LSA
Thanks for your help.
Gotta find out what the wife will tolerate being it is a daily. A 216/220 on .525/.532 on a 114 won’t run on LS6 springs from what I’ve read but a good single spring should be absolutely AOK. Your most likely going to want to install a stall in the car just to help the cam get into its powerband quicker. Keeping the redline at 6k rpm definitely keeps you with the smaller cam.
As for milling the heads, your looking at this wrong. Raising the compression literally only gets you a couple of ponies. The real power is getting them ported. While I don’t know what your budget is, heads more times than not will net you 30-40 hp with little to no drivability pitfalls that you get with bigger cams.
As for milling the heads, your looking at this wrong. Raising the compression literally only gets you a couple of ponies. The real power is getting them ported. While I don’t know what your budget is, heads more times than not will net you 30-40 hp with little to no drivability pitfalls that you get with bigger cams.
I was under the impression that the hot cam had better low end torque. I think the 224r on a 114 will work but it seems to be more on higher rpm than torque.
Last edited by randall 32; May 6, 2018 at 07:55 PM.
If you're going to keep the stock torque converter, then you need to keep low end torque robust or it will be a pooch off the line.
Something like a 220/222 .600"/.600 on a 112LSA +4 advance. That will pull hard out of the hole and still have decent power to 6400 rpm.
Something like a 220/222 .600"/.600 on a 112LSA +4 advance. That will pull hard out of the hole and still have decent power to 6400 rpm.
__________________
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
Custom LSX tuning in person or via email press here.
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
Custom LSX tuning in person or via email press here.
Thank You Patrick, what lobes and springs should I use?
Last edited by randall 32; May 11, 2018 at 04:59 AM.
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I’d Mill them heads .020” and pop some blue springs on them
get the GT2-3 stick, LS2 chain, 7.4” push rods and port and shim the oil pump
wont sound nasty but will run and drive well. Even better once you tune it.
If you decide to put a converter in which is a great suggestion BTW. Then 220-224 becomes the minimum you’ll wanna run
get the GT2-3 stick, LS2 chain, 7.4” push rods and port and shim the oil pump
wont sound nasty but will run and drive well. Even better once you tune it.
If you decide to put a converter in which is a great suggestion BTW. Then 220-224 becomes the minimum you’ll wanna run
Registered User
Joined: May 2018
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From: Texas
I have a 98 C5 and I went with the 224r cam with a 112lsa, beehive springs and hardened pushrods, then put on some ported 243 heads and exhaust, drivability was great for about 1000 miles till my trans took a dump then i just went ahead and put a converter in it.
Unless the transmission is built, this is what's gonna happen, doesn't matter how big of a cooler you have on it. We've had them go out on stock trucks in 60k miles lol.
Registered User
Joined: May 2018
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From: Texas
^^Exactly!! i learned the hard way but in the end was well worth it. i also went with a built trans while i was there.
Yep, I've been through the same thing with the 4l60 on my ride. Earlier this year i replaced it with a 4l80. Thats the main reason i am wanting to do a small cam and not rev more than 6000.
TECH Apprentice
Joined: Jan 2017
Posts: 333
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From: Sydney, Australia
C5 is a pretty light car, with a stock stall auto I would think a 218/226 cam with up to .600 lift on 114 would be great as a daily/ occasional strip car. I run PAC 1218 springs as my 218/226 had .595 max lift. Using a Cam Motion cam this combo has a very quiet valvetrain and is very smooth. Shouldn't be as hard on the auto as some other cams I would think.
TECH Fanatic
Joined: Aug 2009
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From: Coast of San Mateo County Between Pacifica & HMB
C5 is a pretty light car, with a stock stall auto I would think a 218/226 cam with up to .600 lift on 114 would be great as a daily/ occasional strip car. I run PAC 1218 springs as my 218/226 had .595 max lift. Using a Cam Motion cam this combo has a very quiet valvetrain and is very smooth. Shouldn't be as hard on the auto as some other cams I would think.
