Super B "special"

[BPonci]

The super B has a . 80 turbine housing with a low pressure drive wheel approx 71 mm and a 64mm comp wheel and a . 55 compressor housing. Be there done that!

 

[Cooker]

The super B has a . 80 turbine housing with a low pressure drive wheel approx 71 mm and a 64mm comp wheel and a . 55 compressor housing. Be there done that!

Do you mean the Super B Special or the regular Super B? I thought the regular Super B had a 57mm compressor wheel?

 

[BPonci]

The super b special.

 

[MRector]

A little surging.....

As the title says, i have experinced a little surging from the special, maybe it is normal of a "larger" turbo then... . maybe it's not. When I am accelerating mid throttle and build about 25psi before 30mph then I lock the conv. I recieve quiet a bit of surge. When I have about 32psi and around 40mph(2000rpm) in "D" (3RD) it will not surge. I have learned to "drive around this". I never had any issues from the super B surging, is this a normal thing with larger turbos? I dont really mind the surge that much, cause I can drive around it, and boy does it get MEAN when the boost hits... ... ..... like breaking traction @ 70mph in 3rd(lock-up).







I was running 8. 30's in the 8th @88mph mile pre-turbo, I think maybe 7. 90's could be possible now w/the right air temps.



Mikey

 

[tunod_68]

I don't get it... . what's up w/ wastegates???? What good are they!!??

 

[Joe Mc]

Hey Kelly - How's it going?

 

[bmoeller]

I don't get it... . what's up w/ wastegates???? What good are they!!??

They allow for a smaller turbine housing to improve spool up, while limiting shaft speed to prevent breakage. A dual wastegate is better, unless there is no rib in the mounting flange, so that all cylinders can be 'gated.



My PDR 40 is only has a single 'gate, and can blow past the 'gate setting. Set at 38#, IIRC, but can hit 45# without any trouble, at least before I bumped up my timing.

 

[BothellDiesel]

I had a Super B for awhile, it was a great turbo but it is a 57/14. I'm happier with my prostreet 66 now. The special looks good though!

 

[GOTSOOT]

Bothelldiesel; how long ago did you have the "special'? I thought that this turbo was realitively NEW on the market.

 

[MRector]

He mentioned the "super B", not the "super B special". The super B is what I had on my truck proir to the special.

 

[WDimig]

just a thought but you might want to consider a air filter that flows more air, i highly doubt that the BHAF is giving that turbo all the air it needs to do it's job. just a thought, but you might see a better gain with a gauze type filter. back when i had a 64/12 from htt on my truck, i had alot of surging issues. i also had a K&N FIPK air filter on my truck, didnt like they way it was filtering, got rid of the K&N, and went with a AFE stage 2 with PG7 filter, noticed right away that alot of my surging issues went away. i was pleased. i upgraded to the 66/14 last year and its been a great turbo. highway crusing temps were a bit higher than i was exprecting to see, but it cools really good on the top. i still can see over 1400 on the pyro, but it takes alot longer to get there.



wes