Guest vodkaboy Posted February 20, 2004 Share Posted February 20, 2004 My '77 Z's head and EFI is kinda geting old (160K miles, all original lifters, valves, cam, seals and gasgets, etc, not to mention some leaking fuel injectors, and i believe a broken thermotime sensor), but the '79 810 i recently came accross has an almost brand new head (new cam, new lifters, new gasgets and seals, new injectors, new ECU, new AFM, etc) with less than 8k miles on it... i am thinking about swaping heads, manafolds, and EFI straight accross (yes, i know the '79 AFM wont work with my '77 ECU, which is why im also swapping the '79 ECU accross), but im not sure about the cam profile on the L24E vs the L28, because i dont want a more mild cam to be swapped over, and thus rob me of power... if they are the same (or, if by some fluke, the 810 has a more aggressive cam than the Z), i want to just swap them straight accross... so... whats everyone got to say about this? good idea/bad idea? why/why not? anything i should consider doing to the head while its off (mill, valve job, port polish, etc)? Quote Link to comment Share on other sites More sharing options...
johnc Posted February 20, 2004 Share Posted February 20, 2004 Get out your digital calipers and measure the base circle on each cam lobe and then measure the maximum diamter at the highest lobe lift. Do some math and you should be ale to figure out if there are any lift differences. Quote Link to comment Share on other sites More sharing options...
Guest vodkaboy Posted February 20, 2004 Share Posted February 20, 2004 Get out your digital calipers and measure the base circle on each cam lobe and then measure the maximum diamter at the highest lobe lift. Do some math and you should be ale to figure out if there are any lift differences. i figured i would have to do that, although i was hoping someone would know right off the top of their head... oh well, off to work on my dead slave cyl first Quote Link to comment Share on other sites More sharing options...
Mudge Posted March 3, 2004 Share Posted March 3, 2004 If you look at the text file on classic240Z, they are all virtually identical, lift is the same except I believe intake side on the turbo car. Quote Link to comment Share on other sites More sharing options...
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