Super Jet Yam Magnum pumps, 140, 144 or 148mm "whats the diffrence"?? setback/non setback

[kraqus]

144mm offer the most bang for the mag pump buck because you can have a stock oem pump made into a mag pump. You dont have to buy a one pice billet pump (anything larger than 144mm is billet.)

How can you accomplish that? Who works on them?


Benny

 

[Matt_E]

Skat-Trak. That's how the traditional 144 mag pumps are made. (Same with the 140)

 

[kraqus]

Thanks Matt!

http://www.skat-trak.com/magnum.html




Benny

 

[kevbo]

True. However, what I was thinking is an un-biased third party perform the comparison; or, have the article scholarly reviewed. (Which means having a professional in that field with HIGH credentials check it for validity, and edit as needed). If I saw a magazine with this on the front, I would buy it... so would many others.

If a motivated person were to contact Skat-trac and ask for a 144 pump and a 155 pump to do a published review, chances are that the would send the pumps out for free or close to nothing. (The brand recognition / promotion that would follow the article would outway the cost of them sending out two free pumps.) We used to do this in marketing class in high school, u would be surprised of the free stuff you can get from companies by doing shows, events, articles, etc.

Just an idea...

Kevbo: Sounds like you are stuck on the idea that 155 pumps are not going to work in a SJ. Why so bias? Have you tried one yet?

A 155 will have little advantage a low speeds without increasing the inlet to match. A 144 will overload a 701 very easily so I think that a proper 155 mod is better suited for bigger engines. Im very confident that a 155 can make better static thrust than a 144 with any engine though.