ran slower times after 228 cam install
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ran slower times after 228 cam install I installed my TSP 228 cam last week, 114 LSA, .588 int. .588 exh., PRC dual springs, pushrods, new LS6 ported oil pump, LS2 timing chain. I did not degree the cam, after the install car fired right up & ran great. It pulls a lot stronger after, really can tell a big difference. It almost feels so good like I dont even need a tune except I gotta help it idle when cold started. I have scheduled a dyno tune for next Friday. Today I took it to the track to see what it would run. Well I ran slightly slower times than I did a few weeks ago with the stock cam. Ran consistent 12.9s @ right around 109, 2.0 60s with a best run of 12.92@111.9. A few weeks ago, I ran consistent 12.8s @ 110, 1.9 60s & was hooking pretty good launching at 3500-4000 rpms. Today I couldnt launch it any higher than 2000-2500rpms & I still got a decent amount of wheelspin, but only .1 slower 60" times. Conditions at the track: Temp was 57 deg, DA was 1061 ft, relative density was 96%. There was a pretty decent headwind. What do you think?
Even though you can feel it pull harder with the butt dyno, is it across the whole powerband? I'd say wait until the tune to decide something is wrong or not. My car is cammed too and I only managed to run a 13flat due to damn M6 hydraulic issues... previous owner was able to run a 12.2 =/ so at least you're doing better than me lol.
To answer your question, NO this isn't a joke. Flint asked a question and for us to help him answer it. Don't be a dick and ask if this post is a joke. So to answer Flints question, you should get a tune first and see how it feels, then you can start diagnosing problems afterward if their is any.
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From: Mt Morris, Michigan
Theres still some rubber & tread showing on the outer edges but the center tread is bald. They are close to worn out. The car def. makes more power than it did, it spins the tires with not much effort & it pulls way harder. Just thought it was strange I ran slower times with it. No not joking, I will get the tune done this week, I am sure thats what it is.
This would be my #1 concern, melting a hole in the piston because of a lean mix.
More cam = more air, doesn't necessarily mean more fuel. You can hope your computer catches the need for more fuel, but it will only ref your O2 sensors after 2k rpm through the midrange. But I would not bet a total engine rebuild on "hopes and dreams."
This would be my #1 concern, melting a hole in the piston because of a lean mix.
More cam = more air, doesn't necessarily mean more fuel. You can hope your computer catches the need for more fuel, but it will only ref your O2 sensors after 2k rpm through the midrange. But I would not bet a total engine rebuild on "hopes and dreams."
You went to lapeer right? I was there in my trans am and with my buddies red GT mustang. Your car sounded sick man I was wondering what was done.
Anyways, Find a better track lapeer's track and prep is sh**. Plus there was like a 30 mph head wind, that wasn't helping. Get her tuned then head out to ubly or milan and see what she runs is my opinion. Where are you planning to take it to get tuned?
Anyways, Find a better track lapeer's track and prep is sh**. Plus there was like a 30 mph head wind, that wasn't helping. Get her tuned then head out to ubly or milan and see what she runs is my opinion. Where are you planning to take it to get tuned?
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From: Mt Morris, Michigan
You went to lapeer right? I was there in my trans am and with my buddies red GT mustang. Your car sounded sick man I was wondering what was done.
Anyways, Find a better track lapeer's track and prep is sh**. Plus there was like a 30 mph head wind, that wasn't helping. Get her tuned then head out to ubly or milan and see what she runs is my opinion. Where are you planning to take it to get tuned?
Anyways, Find a better track lapeer's track and prep is sh**. Plus there was like a 30 mph head wind, that wasn't helping. Get her tuned then head out to ubly or milan and see what she runs is my opinion. Where are you planning to take it to get tuned?
Tune is necessary with a cam install, REGARDLESS of what your "butt dyno" says. Not only are you most likely running extremely lean but that 228 cam is going to peak @ 62-6300 rpm. I'll bet you're only shifting @ 6k, which would cause you to drop out of the power band after each shift. Ideally, you should be shifting @ 65-6600 with that cam. So that should explain why the car was slower, I.E. you are in need of a tune, period.
