LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Times with the 224-230

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Old Dec 28, 2004 | 09:05 PM
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Default Times with the 224-230

Hey what kind of times you guys getting with this cam? I have yet to go to the track and see what i am running now. I wanted to port my heads first and smooth out a few problems.
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Old Dec 28, 2004 | 11:51 PM
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Hey man, did you get that email I sent back to ya? I got some weird message from earthlink after I sent it. Something about you having to add me to your email list in order for you to recieve emails from me?

Anyway, my friend has that 224/230 cam in is 92 Vette. He traps at around 110-111mph and consistent 12.6-12.7's. He's got full bolt-ons, longtubes and small 2400 stall converter. He dyno'd at 335rwhp but it was badly tuned when he dyno'd, plus it's an auto. The best numbers I've seen from that cam are around 365rwhp +/-.

Personally, I like the larger split cams like the one I'm running, custom ground on a 112lsa.

Mike
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Old Dec 29, 2004 | 12:44 PM
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i ran the 224/230 cam in my old 94 Z28...it was stock heads, shorties, cam, and 4.10 gears...ran 13.08@109 on nittos....i loved the choppy idle with the 112 LSA..i got a 114 LSA in my 95 now and its just not the same...midrange is much better with the 114 tho..
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Old Dec 30, 2004 | 12:31 AM
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Originally Posted by Mikey 97Z M6
Hey man, did you get that email I sent back to ya? I got some weird message from earthlink after I sent it. Something about you having to add me to your email list in order for you to recieve emails from me?

Anyway, my friend has that 224/230 cam in is 92 Vette. He traps at around 110-111mph and consistent 12.6-12.7's. He's got full bolt-ons, longtubes and small 2400 stall converter. He dyno'd at 335rwhp but it was badly tuned when he dyno'd, plus it's an auto. The best numbers I've seen from that cam are around 365rwhp +/-.

Personally, I like the larger split cams like the one I'm running, custom ground on a 112lsa.

Mike
Yeah i got the email i appreciate the input. Im assuming that the 335hp is on untouched heads. I have the wrong tune at the moment. I have a computer tuned for CC305. I am trying to get a ballpark figure on what kind of power i have, and what i will have after porting and larger valves.
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Old Dec 30, 2004 | 12:34 AM
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Originally Posted by RossB
i ran the 224/230 cam in my old 94 Z28...it was stock heads, shorties, cam, and 4.10 gears...ran 13.08@109 on nittos....i loved the choppy idle with the 112 LSA..i got a 114 LSA in my 95 now and its just not the same...midrange is much better with the 114 tho..
Like i said above i have a comp programmed for cc305. I notice my lope sometimes and sometimes i dont. It seems to come and go. Did yours lope all the time? I still have a small leak by the flange in my exaust so i am running kinda crappy right now.
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Old Dec 30, 2004 | 09:06 AM
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I ran 12.9 @ 111, 1.9 60'... the MPH is there to run low 12's if I could just hook. Gotta get myself a set of Nitto's or ET Streets
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Old Dec 30, 2004 | 10:22 AM
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Originally Posted by 97LT1
Yeah i got the email i appreciate the input. Im assuming that the 335hp is on untouched heads. I have the wrong tune at the moment. I have a computer tuned for CC305. I am trying to get a ballpark figure on what kind of power i have, and what i will have after porting and larger valves.
No, 335rwhp with fully ported heads, 2.0/1.56 valves, 1.6RR's and full boltons, exhaust, fuel pressure regulator, larger injectors (24lb, 92's came with 22lb). He's about 15hp below the average I've seen from that cam, but a tune should get him 10-15 more rwhp. That cam just doesn't perform as well as most people (including myself) think it should unfortunately. Good luck with yours.

Mike
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Old Dec 30, 2004 | 10:34 AM
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Originally Posted by Mikey 97Z M6
No, 335rwhp with fully ported heads, 2.0/1.56 valves, 1.6RR's and full boltons, exhaust, fuel pressure regulator, larger injectors (24lb, 92's came with 22lb). He's about 15hp below the average I've seen from that cam, but a tune should get him 10-15 more rwhp. That cam just doesn't perform as well as most people (including myself) think it should unfortunately. Good luck with yours.

Mike
92 vette and 93 Fbody came w/ 22lb injectors. 94 up had 24's!

Wow, Those numbers sure seem low!
Do you have flow numbers of the heads?

Last edited by BRENTT94Z; Dec 30, 2004 at 01:49 PM.
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Old Dec 30, 2004 | 11:12 AM
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Originally Posted by Mikey 97Z M6
No, 335rwhp with fully ported heads, 2.0/1.56 valves, 1.6RR's and full boltons, exhaust, fuel pressure regulator, larger injectors (24lb, 92's came with 22lb). He's about 15hp below the average I've seen from that cam, but a tune should get him 10-15 more rwhp. That cam just doesn't perform as well as most people (including myself) think it should unfortunately. Good luck with yours.

Mike

I agree with you that cam does not seem to perform as it should. LT4 Hot Cam setups like that are putting down 360 RWHP regularly. I had some problems with my tuning as well when I put my head and cam on my Vette. I ended up upgrading to some Accell 30 lb/hr injectors and a tune from PCM for less. Couldn't be happier Now I need to swap out the 2.59 for some REAL gears
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Old Dec 30, 2004 | 12:18 PM
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Originally Posted by BRENTT94Z
92 vette and 93 Fbody came w/ 22lb injectors. 94 up had 24's!

Wow, Those numbers sure seem low!
Do you have flow numbers?
Just for clarification, I'm not talking about my car. If you read my first post, I'm referring to my friends 92 Vette. He upgraded the 22's injectors to 24's.

I don't believe the problem lies with the heads. He had a hot cam before, and the car pulled noticably harder, although he didn't have any quarter times with the hot cam. A bad tune in combination with the auto is what is making the numbers low. Figure 10hp with tuning and the auto is sucking another 10hp. Add 20hp to his numbers and you get the "average" numbers I've seen from that cam.

Mike
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Old Dec 30, 2004 | 12:52 PM
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Originally Posted by 97LT1
Hey what kind of times you guys getting with this cam? I have yet to go to the track and see what i am running now. I wanted to port my heads first and smooth out a few problems.
12.396/109MPH NEED SOME TUNING, I HAD A FULL TANK OF GAS, CAR IS REAL HEAVY 3700+ LBS. WILL SHED SOME #S AND TRY AGAIN FOR 11'S WHEN TRACK OPENS 1/5/05 NEW MODS CUTOUTS. HEADS AND INTAKE LIGHTLY PORTED,3.75 REAR BFG T/A DRAGS 295/35/18
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Old Dec 30, 2004 | 01:56 PM
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Originally Posted by Mikey 97Z M6
Just for clarification, I'm not talking about my car. If you read my first post, I'm referring to my friends 92 Vette. He upgraded the 22's injectors to 24's.

I don't believe the problem lies with the heads. He had a hot cam before, and the car pulled noticably harder, although he didn't have any quarter times with the hot cam. A bad tune in combination with the auto is what is making the numbers low. Figure 10hp with tuning and the auto is sucking another 10hp. Add 20hp to his numbers and you get the "average" numbers I've seen from that cam.

Mike
Only reason I wanted to know the flow#'s is because I assumed that the obvious has been checked,such as pcm tuning,fuel,ignition,valvetrain, etc... and just curious what the heads flow! My point being, I dont see the cam being the problem. Ive seen to many other guys pushing good rwhp w/ that cam. Not to mention I used to run a POS smallCrane cam(218/218-.498/.498 117lsa) on stock 350 w/ bolt ons and head work that put more power to the ground.
And no, I didnt go over all of the posts thouroughly, but I will!

Last edited by BRENTT94Z; Dec 30, 2004 at 02:06 PM.
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Old Dec 30, 2004 | 08:09 PM
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Originally Posted by 97LT1
Like i said above i have a comp programmed for cc305. I notice my lope sometimes and sometimes i dont. It seems to come and go. Did yours lope all the time? I still have a small leak by the flange in my exaust so i am running kinda crappy right now.
mine pretty much loped all this time, definetely everything i expected out of a 112 LSA...i had some problems initially with surging at idle but corrected it through tuning
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Old Jan 3, 2005 | 05:30 PM
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I really wish I could have run my setup at the track, but due to lifter and compression issues I never got to run the 224/230. If it helps, with ported heads I laid down 375/363 through a cat though. On a good hook that should have been good for a pretty easy low 12 high 11 in street trim.
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Old Jan 3, 2005 | 09:17 PM
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I am trying to figure out if i am wasting my time with this cam or not. I really want in the 400hp area. I rigged everything up on dyno2003 and it gives me 392@5500rpm with ported stock heads 2.02+ 1.6 valves. I know this program is not 100% accurate, but i know it is close. I am going to be porting heads soon and really am wondering if i should wait to get them flowed and get a custom cam. I like the idea of a 306 + the sound it makes. Any opinons people? I really just kinda putt around town and go to college with this car. Inspections really dont come easy anyways with the SES light on already so emmisions really isnt that big of a deal. Cops dont mess with me with my cam now with cutouts on the street. Give me some opinions guys.
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Old Jan 3, 2005 | 10:01 PM
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If you're on a budget, and you really want 400rwhp, sell the 224/230 and buy an off the shelf CC306 or GM847. You'll get real close, or more than 400rwhp with the 847 cam. The 224/230 is not going to get you there,,,, sorry.

If you are not on a budget, get a custom hydraulic roller from FMS, LE, Thunder Racing or others.

Just my lousy .02 worth....
Mike
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Old Jan 3, 2005 | 10:33 PM
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Originally Posted by Mikey 97Z M6
If you're on a budget, and you really want 400rwhp, sell the 224/230 and buy an off the shelf CC306 or GM847. You'll get real close, or more than 400rwhp with the 847 cam. The 224/230 is not going to get you there,,,, sorry.

If you are not on a budget, get a custom hydraulic roller from FMS, LE, Thunder Racing or others.

Just my lousy .02 worth....
Mike
Thats what i was needing to figure out. It looks like the 224-230 was a little too mild for what i was looking , even though it is supposed to be better than the cc305. I dont know, i have a student loan headed my way soon. I was thinking i want to pound the ground. I am most likely gonna sell this cam when i put the heads in after porting. I was gonna send my computer back to pcmforless to update with the existing cam, but that is going to be a waste if i am going to upgrade to 306 or custom.
If anybody is gonna be interested in buying my old cam give me a shout it has like 1000 miles on it. (broke in properly)

Hey when do i have to worry about my stock fuel system? Or the injectors as well? I need to know when i am running out of room @ about what horsepower level do they not support? I know I have handled 150 shot of Nitro in the past, so it seems to me they can support well to 400.
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Old Jan 3, 2005 | 11:11 PM
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Originally Posted by 97LT1
Thats what i was needing to figure out. It looks like the 224-230 was a little too mild for what i was looking , even though it is supposed to be better than the cc305. I dont know, i have a student loan headed my way soon. I was thinking i want to pound the ground. I am most likely gonna sell this cam when i put the heads in after porting. I was gonna send my computer back to pcmforless to update with the existing cam, but that is going to be a waste if i am going to upgrade to 306 or custom.
If anybody is gonna be interested in buying my old cam give me a shout it has like 1000 miles on it. (broke in properly)

Hey when do i have to worry about my stock fuel system? Or the injectors as well? I need to know when i am running out of room @ about what horsepower level do they not support? I know I have handled 150 shot of Nitro in the past, so it seems to me they can support well to 400.
I DONT KNOW WHY SOME PEOPLE HATE THIS CAM I LOVE MINE.I HAVE ONE DYNO RUN OF 362 RWHP AND 375 TORQUE WITHOUT TUNNING JUST HYPERTECH. THAT EQUATES TO 400+ HP&TORQUE I WILL BE TUNNING SOON. I HAVE MILDLY PORTED STOCK HEADS. LT4 HEADS AND INTAKE COMING SOON.THIS CAM HAS ALOT MORE IN IT.DONT GIVE UP ON IT YET, SINCE IT IS ALREADY IN THE CAR.THE GUY WITH THE DYNO TOLD ME I WAS LOOSING ALOT OF POWER THROUGH MY TORQUE CONVERTER WHICH I KNOW IS A PIECE OF JUNK!

Last edited by realfastvette; Jan 3, 2005 at 11:17 PM.
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Old Jan 3, 2005 | 11:54 PM
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Originally Posted by realfastvette
I DONT KNOW WHY SOME PEOPLE HATE THIS CAM I LOVE MINE.I HAVE ONE DYNO RUN OF 362 RWHP AND 375 TORQUE WITHOUT TUNNING JUST HYPERTECH. THAT EQUATES TO 400+ HP&TORQUE I WILL BE TUNNING SOON. I HAVE MILDLY PORTED STOCK HEADS. LT4 HEADS AND INTAKE COMING SOON.THIS CAM HAS ALOT MORE IN IT.DONT GIVE UP ON IT YET, SINCE IT IS ALREADY IN THE CAR.THE GUY WITH THE DYNO TOLD ME I WAS LOOSING ALOT OF POWER THROUGH MY TORQUE CONVERTER WHICH I KNOW IS A PIECE OF JUNK!
Just like to hear everybodies opinon. So your getting 362 out the back huh. I am just trying to only dig into the motor in one run. I have school to deal with so i dont want the car under the knife too long. I did feel a good increase in power and my buddy told me to keep it in and see what it does first. I have a pcm tuned for wrong cam and only want to retune once however.(at least from mail order tune)
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Old Jan 4, 2005 | 02:34 PM
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Originally Posted by realfastvette
I DONT KNOW WHY SOME PEOPLE HATE THIS CAM I LOVE MINE.I HAVE ONE DYNO RUN OF 362 RWHP AND 375 TORQUE WITHOUT TUNNING JUST HYPERTECH. THAT EQUATES TO 400+ HP&TORQUE I WILL BE TUNNING SOON. I HAVE MILDLY PORTED STOCK HEADS. LT4 HEADS AND INTAKE COMING SOON.THIS CAM HAS ALOT MORE IN IT.DONT GIVE UP ON IT YET, SINCE IT IS ALREADY IN THE CAR.THE GUY WITH THE DYNO TOLD ME I WAS LOOSING ALOT OF POWER THROUGH MY TORQUE CONVERTER WHICH I KNOW IS A PIECE OF JUNK!
Couple things:

1. First and foremost, the little button located between the shift key and tab key on the left of the keyboard,,,,,, use it, your post gave me a headache.

2. I don't hate the 224/230 cam at all. I think it's a great daily driver and decent performance cam.

3. The highest number I've ever seen from that cam is 375rwhp. I've seen dozens of numbers from that cam and that is the highest. The average seems to be around 350-360ish.

4. There are just too many variables with a dyno/operator. For instance, I've seen up to 25rwhp difference between corrected and uncorrected dyno data. That is a HUGE difference IMO.

5. Another reason the 224/230 cam is getting a bad rap is because it has 6deg more duration than a hot cam (intake side), and yet produces almost exactly the same numbers. One would think that a cam with that much more duration would produce better performance.

97LT1-
Are you looking for 400rwhp or just 400 crank hp? I was assuming you wanted 400rwhp when I commented previously. If all you want is 400 crank hp, the 224/230 should get you real close. Figure 13-15% drivetrain loss for T56, closer to 18% for automatic.

Mike
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