question about gtp rotors do they fit on s supercharger?

BECERRASC

Registered User
i was wondering if the rotors from the 97 pontiac fit in the square port m90??
or if any of these gm cars can be use on the m90 on the oval port?? or both?? any one thanks in advance
 
Any GM M90 rotors should swap .... but you have to move a locating dowel or some such thing. Do a search, it has been discussed here. A search for "GTP rotor pack" or something like that should work fine.
 
ok tomorrow for sure i will take some pic

any years fit

from any year to any blower s port or oval?? cause theres 2 types of blowers in the gm's ..... thanks guys

i just found a few of those in a local junk yard!
 
Well, you can't use M62 rotors. (This would be obvious, as the case and rotors are much shorter.) But I think any year M90 rotors will fit.
 
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