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[2000StreetRod]

M90 differences

Are there any differences between the M90 used on the SuperCoupes and the M90 used on GM 3800s? Are the snouts different lengths?

 

[jd4242]

Are there any differences between the M90 used on the SuperCoupes and the M90 used on GM 3800s? Are the snouts different lengths?

Completely different. Biggest is its a bottom discharge.the whole unit is a different size,snout and body.

Edit.sorry rocket thought this was still in his thread,didnt even look when i got the email.didnt mean to jump the gun or answer for you.lol

 

[rocket 5979]

Completely different. Biggest is its a bottom discharge.the whole unit is a different size,snout and body.

Edit.sorry rocket thought this was still in his thread,didnt even look when i got the email.didnt mean to jump the gun or answer for you.lol

No problem at all man. I don't care whether the info comes from me or anyone else, as long as it is correct. One other thing to mention is that the GM 3800 M90's are a later (aka better) generation than the one I am using.

 

[jd4242]

No problem at all man. I don't care whether the info comes from me or anyone else, as long as it is correct. One other thing to mention is that the GM 3800 M90's are a later (aka better) generation than the one I am using.

well they have 3 different m90s.its said that the 1st ones preforms like the ford m90,the second or gen 3 is said to be alittle better and the 3 or gen 5 is the best m90 out.i have the gen3 but p+p it performs like the gen5 stock or a hair better.with the port work you did im sure yours is right there with it

 

[rocket 5979]

well they have 3 different m90s.its said that the 1st ones preforms like the ford m90,the second or gen 3 is said to be alittle better and the 3 or gen 5 is the best m90 out.i have the gen3 but p+p it performs like the gen5 stock or a hair better.with the port work you did im sure yours is right there with it

Not without the wear coating on the rotors. That little extra seal provides a bit more efficiency, along with the inlet port shape too. Your charger should be a bit more efficient than the one I am using, but then again I don't care about getting big gains with my truck. Whatever it makes, it makes.

 

[jd4242]

Not without the wear coating on the rotors. That little extra seal provides a bit more efficiency, along with the inlet port shape too. Your charger should be a bit more efficient than the one I am using, but then again I don't care about getting big gains with my truck. Whatever it makes, it makes.

Lol hell yea me and don was talking about that,didnt some ford m90 come with a coating or did all not have it? I know all the gm ones had it but the first gens was a different coating than the gen 5. Mines getting the gen 5 coating

 

[rocket 5979]

Lol hell yea me and don was talking about that,didnt some ford m90 come with a coating or did all not have it? I know all the gm ones had it but the first gens was a different coating than the gen 5. Mines getting the gen 5 coating

The later generation ones have it. Just not the earlier ones.

 

[jd4242]

The later generation ones have it. Just not the earlier ones.

Was that the only change?

 

[rocket 5979]

Was that the only change?

Inlet shape changed from oval to rectangular in later gens.