Re: ls/lm head question.
ok thanks for the info guys!! pretty much sounds like unless I was doing a full blown rebuild and stepping up on cam selection it really wouldn't be worth my time. oh.. 123K on my LM7. so a little freshening up is just a little ways down the road. i'll probably just have the heads gone through and jump up a little on the cam when it comes time. already have headers and switched to carb'ed intake from Eldelbrock w/ carb.
oh but I do have another question...
which heads are better? rectangle port or cathedral port? I have guys tell me cathedral all the way, but have read they are really the same size just different shapes.....
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'59 SWB (the money pit)
Camaro clip/5.3 LM7/700r4/10bolt rear/bagged/and some mild mods here and there.
'93 Jeep Cherokee with some stuff. (the toy)
'06 Silverado 2500HD (daily driver)
'12 Equinox (wifes ride)
'66 Chevy LWB (daughters ride)
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