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#61 |
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Yes Jim You are right Cams will still go flat with tool steel!!!!!!!!!! I give up. I guess we need rollers I am at a dead end street. I just hurt the motor with bad lifters again.
Last edited by sammy pizzolato; 01-26-2016 at 12:08 PM. |
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#62 |
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Sammy don't tell me that.
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#63 |
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Larry,
If Sammy won't confirm the facts I will.. Every solid lifter regardless of material is JUNK. Let's put it this way. It has sent my 396/375 program nothing but backwards. It's not the money in parts that it cost when you have a failure, it's the TIME it takes for recovery....If you have a lifter/cam failure, even if you could pay the parts damage in cast,in full, upon diagnosis- it's the TIME LOSS and the grief factor alone that money can't buy, and I never saw the day that money could purchase time at any price! Hey- it wasn't me that opened the door to the changes in the duration, spring pressure rule My opinion is- follow the path of engine safety, ie; roller rockers, etc. No matter what we do, ,assuming the cam lift specs remain the same- which they will, it's still NO WHERE near the cost of running a competitive SS car so please; racers who think the opposite to be true-please stop telling the rest of us to go race SS. MKL
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Mike Keener A/S B/S C/SM |
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#64 |
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Larry,
If Sammy won't confirm the facts I will.. Every solid lifter regardless of material is JUNK. Let's put it this way. It has sent my 396/375 program nothing but backwards. It's not the money in parts that it cost when you have a failure, it's the TIME it takes for recovery....If you have a lifter/cam failure, even if you could pay the parts damage in cast,in full, upon diagnosis- it's the TIME LOSS and the grief factor alone that money can't buy, and I never saw the day that money could purchase time at any price! Hey- it wasn't me that opened the door to the changes in the duration, spring pressure rule so my opinion is- follow the path of engine safety, ie; roller rockers, etc. No matter what we do, ,assuming the cam lift specs remain the same- which they will, it's still NO WHERE near the cost of running a competitive SS car. A new cam and set of lifters is cheap by comparison..and there is no advantage to anyone except the cars that already have roller lifters NOT to change the rule. MK
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Mike Keener A/S B/S C/SM |
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#65 |
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Sammy have you just tried breaking the cam in like we used too? I how, but some time we need to step back and start over, tool steet lifters, coated and 200 + seat pressure.Even the Nascar guy s are having problems and they barley run 200 seat pressure. Or did something else happen.
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#66 |
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Rule should be changed to make roller lifters optional.
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#67 |
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How about a rule like.....max 150lbs seat pressure!
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#68 |
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There ya go! And at the same time, it would make all of those 396/375 Comp motors more like Stocker motors again!
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Billy Nees 1188 STK, SS I'm not spending 100K to win 2K |
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#69 | |
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Whole lot of racers experiencing wiped out cams and engines. The mechanical limits on cams and lifters can take has been reached long ago. Yet Engine builders find ways and processes to add more. Maybe a loping engine like a Olds 455 would not benefits so much. Engines exceed 6500rpm, more like 7000+ are losing it. Like beating a dead horse! (Need to post that picture again) Keep the current cam rule. Limit the Spring. Such as a Spring Ratio based on size of the Largest Valve. NTE...some stated Spring Seat pressure! Too much Spring Pressure is like More Snow D |
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#70 |
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Like Mike said is true!!! the cost and time is unreal we need to ban together and loby for roller lifters. the big problem is the oil it's not there any more with all this EPA crap the world has gone in the tank. when you talk to the Cam people they won't sell cam's to the public without being a roller because of the oil. and the spring Pressure is not the problem!!!!!!!!!! it's the oil.
Last edited by sammy pizzolato; 01-27-2016 at 11:51 AM. |
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