head problem
#1
11-25-2007, 10:49 AM
head problem
hey guys i took a set of heads off of and old motor i had laying around and to my suprise the first one was a matching numbers for a 305 H.O so that was all good until i took off the second one the numbers was not the same and when i look for info on the other part number i cant find nothing the h.o heads (416 ) and the other one is (418) but would a motor run with 2 diffrent heads on it ??
#2
11-25-2007, 11:17 AM
RE: head problem
[align=center]Hi `Jean,[/align][align=center]I don't have the answer, but the below link has an email address that[/align][align=center]you can contact them, and seek your answers.[/align][align=center](It has some good infor on engines, etc : )[/align][align=center]Also, check back on your post, and maybe one of our expert[/align][align=center]members may have the answer.[/align][align=center][/align][align=center]Click below link, and once connected, go to the end of page for[/align][align=center]the email link to the company, or once connected to below,[/align][align=center]look @ the right top corner of the web page for `help, &[/align][align=center]trouble-shooting.[/align][align=center][/align][align=center]Good Luck[/align][align=center][:-][/align][align=center]http://www.mortec.com/location.htm[/align]
#3
11-25-2007, 12:39 PM
RE: head problem
It is never a good idea to run 2 different cylinder heads on an engine. Every head has different flow #'s, some have different size combustion chambers (different compression ratio), and even different valve sizes. This would make your left 4 cylinders run differently than your right 4...
#4
11-26-2007, 09:21 PM
RE: head problem
the best thing you can do for an engine is to try and make every cylinder identical to the next one.head differences would benasty!
#7
11-27-2007, 07:26 PM
RE: head problem
the 416 are 305 H.O (l69) heads and they have 1.84/1.50 valves and a 58cc chamber with a 170cc runner
which makes them better than most other 305 heads but i think its the runner size thats diffrent thats all because i know that chevy casted 415,416,417,418 idk the diffrences between them as for runner sizes or anything if there is not diffrences that would explain why that guy rann the motor all these years with no probs
which makes them better than most other 305 heads but i think its the runner size thats diffrent thats all because i know that chevy casted 415,416,417,418 idk the diffrences between them as for runner sizes or anything if there is not diffrences that would explain why that guy rann the motor all these years with no probs
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