whats the diff with the casting #'s
#6
Originally Posted by VaNDaL*SS*
so is there any real difference between the 2? cuz the ones i got from MTI were 853 casting while the ones on my 02 are 241
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according to smokemup.com nothing. http://smokemup.com/tech/ls1.php but, from what i've heard, stock vs stock, the 241 flow better. once ported, all bets are out the window.
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also i have heard that right under ur spark plugs on some heads there is a lil triangle. if you have those then your heads are suppose to be stronger. the triangles are a bi-product of how the heads were casted...dunno though thats just something ive heard
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Originally Posted by VaNDaL*SS*
also i have heard that right under ur spark plugs on some heads there is a lil triangle. if you have those then your heads are suppose to be stronger. the triangles are a bi-product of how the heads were casted...dunno though thats just something ive heard