18 & 21cm housings fit on HX35?

[Cummins4Life]

Anyone know if the first gen H1C housings will fit on a hx35?

 

[Cooker]

Yes they will.

 

[Cummins4Life]

That was quick, thankya sir!

 

[paccool]

Hey Zach,what are you up to? Are you building a set of twins?



Stan

 

[Cummins4Life]

Hey Stan! No, I wish. I tried a 16 housing and I hit 50psi too fast for my liking, going to try a larger housing and see if it delays peak boost to my liking.

 

[Greenleaf]

Exactly why I have installed the 21cm housing. Not that big boost numbers are bad and all... ... ... ... but I might just as well stuff a grapefruit in my exhaust.



GL

 

[paccool]

GL,

What does the larger housing do as far as turbo lag is concerned? When I had the stock 18. 5 on mine it didn't have much lag but the HX-35 has even less and comes up pretty fast.

 

[Greenleaf]

I ran the 16 turbine housing with my former pump and a PDR hx-35. It had more boost then the gauge would read. I don't believe therre was any lag.



When I installed the current pump and turbo I also installed the 21 housing to see if that would help out with the EGT's. I don't know how much it has helped, as so many things have changed I have nothing to compare it too... ..... untill I reinstall the 16.



There seems to be no lag in the realm of daily driving. When I do a controlled burn-out, I can "sense" a momentary lag just moments prior to the engine coming to life.



My boost gauge still suffers from whip lash when I hammer the throttle... ... . so I guess it's ok??????? I'd have to reinstall the 16 to best answer your question.



IMHO as time progresses and this pump/turbo information becomes more wide-spread, you will see less and less of the 16 housing and folks will be looking for a 18. 5 or the 21 again. I'm told there is no difference between the modified 16 and a stock 18. 5 (???) The 16 seems ok (and popular) for a mild pump set-up. I don't believe it's nessesary nor wise to install one with a tricked out pump.



Stan, the guys with the automatic challenged trucks will still have to do something to prevent lag You and I will simply build boost and never look back.



GL