Eaton M90 with draw through carb attached

pacer

Well-known member

• Sep 30, 2008

• #1

Are there any modifications required internally to the M90 S/C when you have a draw through carbed setup?

 

B

Bobscoupe

Well-known member

• Sep 30, 2008

• #2

You have to change the internal bearings.

 

pacer

Well-known member

• Sep 30, 2008

• #3

what kind/type are required??

 

wallaka

2K+

VIP

• Sep 30, 2008

• #4

Gotta have bearings sealed against gasoline.

 

B

Broncitis

Famous Member

• Oct 2, 2008

• #5

I'm rebuilding the M90 for my project right now, I think sucking gas through an m90 is far to dangerous aside from the bearing issue, especially if your carb floods and your trying to compress a liquid, especially if there is a failure when your blower is turning at 12 to 14 grand. Its just not made to work that way. Even if people have done it and gotten away with it, eaton says to absolutely not do it.

 

pacer

Well-known member

• Oct 6, 2008

• #6

Will a 1bbl be sufficient for a blow through setup? What aproximate hp #'s would you expect with a M90 setup + dual outlet header? Will the stock cam be good enough as well? If not what is a good spec'd cam?

 

Asa

2K+

VIP

• Oct 6, 2008

• #7

look up posts by Linc's 200
he ran something like 22lbs of boost with a 1bbl carb, it might not be the best carb to run, but you can run some pretty hefty boost with it