Correct, and with Buschurs pace of development thats every couple of months!!!

Speed isnt cheap guys

Scorke

 

jesse, you are incorrect in so many ways, I can't even start on it. I have logs of the turbo with larger divided turbine housings, I can assure you, you are WAY out there in your assumptions of what works and doesn't.

I put my turbo on the black car actually. I used a .68 T4 housing, it was HORRIBLE in that housing. The HTA88 made about 100 more whp than the HTA35r in the T4 configuration.

There will be no dyno sheets posted or more information given out on the turbo. This thread isn't so much about that turbo as it is about the difference in the T4 divided housing and the T3 housing and just the major difference in the power of both cars down low.

I dyno'd the HTA35r again today and I should have used that for reference as this isn't a thread to push the FS635 or anything else. Just something I found very interesting and wanted to share it.

The black car is substantially lighter than the RS. I don't want to give out the specifics because everyone else with a gutted tin can lies about the weight, so I'll just shut my mouth about ours haha

 

Learn to read, Thats not a honda dyno.

Any dyno's of the black car with the 42 on it compared to the 67??

 

Everything is "obsolete" at some point. Think of the money I have spent just buying parts to test on my car, it's 10's of thousands of dollars in development work. I've had a ton of cams in the car, bunches of turbos, tires/wheels, rotors, clutches etc. All of it goes on the dyno.

I thought I was done, I thought I was taking a break. I still got the bug though. This development work isn't going to slow down. It is going to become more secretive though. It's the only way to accomplish what I am trying to do in this industry.

I would guess that the FS635 is going to be obsolete sooner than the HTA35r's life span was.

Speaking of that, I want to touch on something. Last week when I did the testing on the FS635 and the HTA35r I did it around 35 psi of boost. Today I did the same testing (and more) at 40-41 psi of boost. The HTA35R with the boost target set higher really kicked some butt down low. Last week the low/mid range was in the 10-20 whp difference between the two turbos.

Running 41 peak made the HTA35r come on a lot stronger and today the differences in the low/mid range were as much as 40 whp and 40 ft lbs of torque. The HTA was stronger from 3500 rpm to 6200 rpm. The largest differences were from 4300 rpm to about 5200, in that window the HTA35r made up to the 40/40 numbers I just mentioned. Over 6200 rpm though...........this new turbo gained 41 whp and about the same amount of torque up at 8500 rpm.

There is a trade off between the two but the gains up top are pretty freaking serious. Down low they are just as serious though, kind of a perfect trade off.

The average power over a dyno pull from 3,000 rpm to 8500 rpm are actually higher with the HTA35r because of it's additional low/mid range power.

HTA averaged 302 whp and 279 ft lbs
FS635 averaged 291 whp and 270 ft lbs

There, that's as much information as I am putting out there, for now.

 

My dyno sheets would be worthless to you jesse. I obviously don't know what I am doing. The .84 housing on this turbo is too small.............let me know when you get an EVO to run 8.96 at 166 on an HTA88/ptrim, then we'll discuss this.

 

Dave dont keep things secretive... Thats what makes you the best over everyone else... is that you are actually trying to change and bring innovation into the community. We dont expect nor would we ask you to share everything. But your willingness to share info and help others out is why you stand alone above the rest. Dont change... for every Buschur Hater out there, there are 10 people who are loyal and like you and what you are doing for the community.

Keep up the good work and I cant wait to start doing business with you.

 

OUt of curiosity have you tried larger housings and found them to not be beneficial?

(on the 88/ptrim, I know you have ran the t3 housing gamut on the 35R's

Scorke

 

Thats fine to each his own, i know what works for us 86mmx86mm motor, stock port head, 4202 with a 1.44ar hsg and Similar spool as HTA88 with a .84 HSG..

Either way i haven't seen a much more efficient setup than your RS, truly impressive, personally i think your black car has alot left in it, thats just my opinion, you obviously know what your doing though, was just throwing out an opinion.

Jesse

 

fair enough, you lost me when you said "Our Honda blah blah"

 

You clearly missed my point, You made a post that should spark discussion, I didn't say one negative thing. What was the point of this post then? Was i supposed to be like everyone else and post how i can't wait to buy this new turbo and kiss your ***. Sorry no one is allowed to ask a question.

 

The gains under the curve sure amazing and would make a world of difference in the real world.

Question: Are both cars maxed out or are they able to push more? Especially the black car?
I do see black car = 46 psi and white car = 41 psi.

 

Dave don't underestimate how your testing and involvement in the community has helped your business. Running 8's in a street car, producing customer cars running 10's on pump, etc is very important no doubt. But I really think you are underestimating how your shared, open, no nonsense approach has endeared you to enthusiasts.

 

everytime you post something on the internet it is up for discussion. Dave I love your products and I think you are the man when it comes to this stuff but that last comment about when you get your car to do this with this then lets talk is something I would think an 18 year old with a honda would say. Sorry man thats just not cool ,AFI gave you compliments he was just trying to understand how it all works for you-JOEYD

 

Hardly my friend

 

very nice comparison. wonder how the new FS635 would do on a 2.3 liter stroker engine since it looks like it gives good low end power but still a lot up top