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

cam on higher milage lt1

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Old 09-24-2006, 12:46 AM
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Default cam on higher milage lt1

good idea or bad idea?

putting a cc306 cam on an LT1 with 130k on it
Old 09-24-2006, 12:51 AM
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all depends. iF the motor is in healthy shape, it could fine just fine. The major problem seems to be is people having a hard time keeping everything clean while doing the install, and not getting dirt into the engine.
Old 09-24-2006, 12:54 AM
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you gotta do the bearings while youre in there and thats gonna be some fun if it calls for it.

im deciding to go LT4 hotcam on mine, but im near 150k miles
Old 09-24-2006, 12:59 AM
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ive been told about the bearings. Motor is in top shape. ran mobil 1 synthetic and change oil every 3k miles.


150k on yours? ouch my baby hasnt moved in about 2 months. Bottomed out real bad and somehow managed to puncture a clutch line and cant engage clutch. so figure id save a little and put in my stage 3 clutch along with updated hydros and get that t-56 rebuilt... all i need is time
Old 09-24-2006, 01:03 AM
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any1 know where best price is on a cc306? what else would you recommend to install as while im at it? valve springs..?
Old 09-24-2006, 01:08 AM
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what all do you need for a cam change?? I know RR, springs... do you have to get new push rods and guidplates???
Old 09-24-2006, 01:14 AM
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solid roller lifters are a plus.
Old 09-24-2006, 01:38 AM
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hey @nthony I ended up keeping the car
Old 09-24-2006, 07:02 PM
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thats good, what made you choose to?

Originally Posted by onebadblackz
hey @nthony I ended up keeping the car
Old 09-24-2006, 08:02 PM
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With THAT agressive of a cam and that many miles, I'd try to avoid the setup. The bearings most likely won't last very long.
Old 09-24-2006, 09:56 PM
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Originally Posted by @nthony
thats good, what made you choose to?
when it came down to it I just couldn't do it....
to much time and effort in her
Old 09-24-2006, 10:34 PM
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Im putting that same cam in my car, unless i find something better then i might sell it. but anyways im going with comp 918 springs, come seats and retainers, trickflow chromoly push rods, 16. rr's, elec. h2o pump and im doing the 95+ opti swap. hopefully this info helps
Old 09-25-2006, 02:40 PM
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thx for the helpful response Matts94Z28. How many miles you got on your baby?

Anyone else care to chime in?
Old 09-25-2006, 02:45 PM
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another question, im just trying to learn more about valvetrains. What difference does the rocker stud # and ratio # make? and whats better for a big cam self-aligning or non-self aligning?
Old 09-25-2006, 02:55 PM
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I have the LT4 Hotcam Kit, and I am very pleased with it. As far as the Bearings, do it on a high-mileage motor, do all that stuff at once, cause I have to do mine now. I hope that is all that messed up with it.
Old 09-25-2006, 04:53 PM
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its a gamble with that many miles... its up to you but usually with that many miles people usually end up spinning a bearing... so i would wait and do a whole refresh on the engine... then do the cam... that way you know all the bearings are good... and the rings are new...
Old 09-26-2006, 04:41 AM
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the biggest strain is really the fact at how high you tend to want to spin the motor with the 306. at 130k, the bearings, and rings should be in pretty good shape if they were taken care of. BUT, every engine will be different.
Old 09-26-2006, 05:29 AM
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the lt4hotcam is a complete and total waste of money
Old 09-26-2006, 09:12 PM
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I beg to differ, I am very pleased with it, and the results show likewise..
Old 09-26-2006, 10:12 PM
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Im not going to spend $500 on a Hotcam Kit and get 25hp, when you can get the entire LE1 Heads & Cam Package for $1,100, and get 60-80 hp.


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