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Ported heads ?

This is a discussion on Ported heads ? within the Internal Engine forums, part of the LSx Technical Help Section category; Im looking locally at a set of slp cnc ported heads with stock sized valves. The intake valves are the ...

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    Member JRENIGAR's Avatar
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    Ported heads ?

    Im looking locally at a set of slp cnc ported heads with stock sized valves. The intake valves are the sodium filled zo6's. Guy said hes going turbo and has some 317's to replace them thats the reason for sale. I was just wondering if they are worth the 475 he's asking and has anyone else had ported heads from slp with good results on a dd car. Im also thinking about just a cam and was wondering if its a good idea or wasted money to replace the lifters on a high mile engine thats in really good shape? I have heard they develop a wear pattern in the lifter trays thats where my concern comes into play, not the pattern on the rollers themselves. Thanks.
    Last edited by JRENIGAR; 02-14-2011 at 11:32 AM.

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    I don't sell out! blackSS01's Avatar
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    Quote Originally Posted by JRENIGAR View Post
    Im looking locally at a set of slp cnc ported heads with stock sized valves. The intake valves are the sodium filled zo6's. Guy said hes going turbo and has some 317's to replace them thats the reason for sale. I was just wondering if they are worth the 475 he's asking and has anyone else had ported heads from slp with good results on a dd car. Im also thinking about just a cam and was wondering if its a good idea or wasted money to replace the lifters on a high mile engine thats in really good shape? I have heard they develop a wear pattern in the lifter trays thats where my concern comes into play, not the pattern on the rollers themselves. Thanks.
    If the motor has miles on it then change the lifters, we are only talking about $200 or so for LS7 lifters. Trays should get changed to LS2 style which are better and cost hardly nothing. The heads I'm not sure about, you should try to get flow numbers for them. THe lightweight valves are nice but without knowing the CC (Mill) or the Flow numbers, it could be a rip off or a hell of a good deal.
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