I need to know what size belt for smog pump removal.....

[mustang1313]

Hi guy's I just put my gt 40 heads on with 1.7 rolloer rockers, I removed my smog and I have no A/C, and I'm not sure what size belt to use I tried 790k6 but it was to big can someone help me out here.
:SNSign:
89 mustang gt 5.0
mac headers,high flow cat's, mac muflers
under drive pulleys
gt40 heads, 1.7 rollers rockers
cold air intake

 

[vristang]

Due to the large number of variables, the only reliable answer is trial and error.

Since you know that belt is too long, take a guess and try a shorter one.

This is the only method I have had work for me in the past.

jason