LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

110,000 miles, what cam

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Old 09-26-2006, 09:23 AM
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110,000 miles, what cam

My 1994 z28 has 110,000 miles on it and I want to upgrade just to outrun my brothers 1972 mote carlo. I have bbk shorty headers and all of the other modes that you can think of, but motor is untouched. My brother's monte carlo has a 565 solid lift cam and a 4:56 ratio rearend on his 355 sbc with some very good head-work. Please help me shut his mouth about outrunning my bolt-on slo-maro.
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Old 09-26-2006, 10:28 AM
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Re: 110,000 miles, what cam

maybe head the nitrous route...
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Old 09-26-2006, 11:16 AM
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Re: 110,000 miles, what cam

I'm not a fan of camming a high mileage engine. What gears do you have? Nitrous would be a cheap way to shut his mouth and if run correctly won't hurt the motor. You could even stage it so he doesn't jump all over you out of the hole.
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Old 09-26-2006, 11:20 AM
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Re: 110,000 miles, what cam

This sounds like a joke almost. What cam do i need for my 110k car to beat my brothers car that we really dont know anything about. What kind of number is it putting down? et? rwhp? whats the car weigh?

At 110k your more at risk of something going wrong putting a cam in then you would be at lets say 40k. You may want to look into other routes. Or in my opinion, who cares if his car is faster than yours? There is always going to be a faster car. If you have full boltons your car is not slow. His is just faster. Your going to have some serious money into your car to beat your his. You really think if its worth it? Unless you have other plans with it. just my opinions, but who am i ?
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Old 09-26-2006, 03:54 PM
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Re: 110,000 miles, what cam

I say cam it Lots of guys appear to be camming their LT1 motors on this board with 90K +.
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Old 09-26-2006, 03:59 PM
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Re: 110,000 miles, what cam

I'm running the hotcam kit in my 100k camaro, just don't beat on it all of the time and you should be fine...
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Old 09-26-2006, 03:59 PM
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Re: 110,000 miles, what cam

Whatever cam you plan on using in your rebuild. I'll be camming my 100k+ motor soon and adding N2O to the mix. Good Luck.

I vote GM847 or CC306, something to build on once the motor blows and you get a 355/383.

-Dustin-
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Old 09-26-2006, 09:05 PM
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Re: 110,000 miles, what cam

I did the Hotcam at 140k and the Z is still going strong 10k later. I can't speak on the cam versus nitrous issue, but it is possible to do a cam swap on a high mileage LT1 and live to tell about it.
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Old 09-26-2006, 09:57 PM
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Re: 110,000 miles, what cam

There is nothing wrong with camming an engine with those miles. I vote for a custom grind cam to get all you can get out of it. Or just get a CC306.
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Old 09-26-2006, 10:01 PM
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Re: 110,000 miles, what cam

Originally Posted by ulakovic22
I'm not a fan of camming a high mileage engine. What gears do you have? Nitrous would be a cheap way to shut his mouth and if run correctly won't hurt the motor. You could even stage it so he doesn't jump all over you out of the hole.
Is it just me or does anyone else think that nitrous is somewhat risky? I mean I know that you wouldn't use a huge amount of it, but to me it just seems kind of risky.
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Old 09-26-2006, 10:21 PM
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Re: 110,000 miles, what cam

Thanks guys, but nitrous is a little risky for me. I have a very good running LT1 and I like driving it occassionally, not a daily driver just on weekends for fun. It's a 6 speed and it's a blast to drive, but I want more. I've ridden in my brother's 1972 Monte Carlo and it ain't no joke. but I think that my camaro can be much faster. Even with 110,000 miles it's still a low 13 sec car, but the Monte is a high twelve street machine n/a. I need more speed, but I still like to cruise, (with my a/c on), on weekends.
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Old 09-26-2006, 10:42 PM
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Re: 110,000 miles, what cam

Originally Posted by hammersz28
Thanks guys, but nitrous is a little risky for me. I have a very good running LT1 and I like driving it occassionally, not a daily driver just on weekends for fun. It's a 6 speed and it's a blast to drive, but I want more. I've ridden in my brother's 1972 Monte Carlo and it ain't no joke. but I think that my camaro can be much faster. Even with 110,000 miles it's still a low 13 sec car, but the Monte is a high twelve street machine n/a. I need more speed, but I still like to cruise, (with my a/c on), on weekends.
man, i wish i had a 2nd car so my Z wouldn't be a DD. Mine has 145k on it with a LT4 hotcam and no problems. been in there for quite a while too. I do have a cc306 cam that should be arriving within the next few days im getting ready for a rebuild to a 355
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Old 09-26-2006, 10:55 PM
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Re: 110,000 miles, what cam

Originally Posted by hammersz28
Thanks guys, but nitrous is a little risky for me. I have a very good running LT1 and I like driving it occassionally, not a daily driver just on weekends for fun. It's a 6 speed and it's a blast to drive, but I want more. I've ridden in my brother's 1972 Monte Carlo and it ain't no joke. but I think that my camaro can be much faster. Even with 110,000 miles it's still a low 13 sec car, but the Monte is a high twelve street machine n/a. I need more speed, but I still like to cruise, (with my a/c on), on weekends.

If he is just running high twelves and thats all you want. You could probably get there with sticky tires. If not, sticky tires, good clutch, and a little suspension in the rear. Your 10 bolt may not work for long, but with the increased horsepower of a h/c car its probably going to give in before long anywas. So, this is my advice. If all your looking for is quarter mile times, Get some drag radials, go to the track. See what that does for ya. $200-250
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Old 09-27-2006, 11:42 AM
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Re: 110,000 miles, what cam

Does anyone think I can cam my 189k mile 94 Z28? (and have it last )

I'm kidding...
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Old 10-01-2006, 12:50 AM
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Re: 110,000 miles, what cam

im seriously thinkin about a hotcam in my 95k LT1
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