I hope JohnBradley doesn't mind, but I took two recent posts of dyno sheets and overlayed them using software. These two cars:

https://www.evolutionm.net/forums/ev...370ft-lbs.html
https://www.evolutionm.net/forums/ev...sh-racing.html

Mods seemed fairly close between the two, aside from the Magnus v5 on the HTA Green car, which probably explains the tish late boost onset it has. I hope this kinda puts to rest which one of these turbos is 'better'....I think it's fairly obvious that when the power hits the pavement, tey are nearly identical (price aside).

LIGHT line is BBK, DARK line is HTA Green:


This is just a quick comparo, feel free to discuss, but keep it all above the belt please!

JohnBradley, if you want to load these from the dyno, I can edit this post.

 

Thanks for doing that overlay! Obviously not scientific, but for what it is it's a good comparison. I think it shows just how equivalent these two turbos are, and how they're both a great choice for a street car not wanting to give up much in the way of response.

 

Good pump gas comparison although an intake manifold changes every aspect of the power curve usually and 2 different cars is really hard to compare.. I cant wait to put the Hta Green on Kill and see what it can make on E85.. I think it will shine..

Mike

 

What is the price difference?

 

Hmm upon further evaluation im not sure it fair to do an overlay like this and call it even testing aside from Intake Mani.. Some major differences..

HTA Mods vs. BBK
Chinese Perrin vs. Garret
Chinese Megan vs. BR Ported stock
27psi vs. 28-29
Ebay 02 vs. Titek
Fujita UICP vs. ETS

Wouldn't these be considered some major differences??? It appears 1 setup is more efficient then the other just by the boost it will take.. I have an overlay on BBK vs Black if you want to compare some slightly unequal setups.. Lastly these cars were both dyno'd months apart.. Jan and pretty much April. Both uncorrected.. So lets see an SAE overlay also.. It may have been 5 degrees in January and 60 march 31st..

Btw.. I am not knocking those that did the individual tunes here Im just saying when you overlay something like this the uneducated customer might get the wrong idea that these turbos are really equal..

Mike

 

I'd like to see an overlay of a BBK Full and a FP Black on the same engine/car, sure lay it on me.

 

 

Here is a closer comparison of BBK Full and FP Black, NOT RED or GREEN which spool even quicker.. Same exact Car, dyno, correction, engine setup but different intercooler is all.. BBK spools better from 3200-3700 by a few HP..

 

Do you have boost plot overlays for this as well?

- Bryan

 

Hahha the contrast between this post and first just makes it more apparent how ridiculious threads like this are.

Why on earth are we comparing a 35R level black with a BBK Full and probably even at totally different boost levels? lol

- Bryan

 

Come on Mike you know the differences. How is one 2.5in UICP going to benefit from another. The UICP alone is barely worth any HP. The ebay o2 is damn near the same as the Titek if ported. The Megan manifold is maybe a touch worse and I will lay money down that Perrin intercooler didn't hurt power vs the garrett one at these power levels So really we have a car that has 1-2psi more boost and one has a intake manifold and runs slightly different gas. I'd call that close enough to justify comparing them. No doubt the FP Green might make a touch more as it flows a touch more and has a 84mm opening to help some as well. But comparing it too a Black come on (which has a different intercooler as well )...why don't you just throw in a 42r for comparison...

I am sure Aaron will chime in since he tuned both so maybe he can comment on timing or how aggressive each was tuned but it pretty darn close in my eyes.

 

Just showing both on Kill.. I turned up BBK high as we could get.. and then overlayed with black and spool looks close doesnt it?? as an E85 specialist you must appreciate 2 turbos on kill..

Mike

 

Im just pointing things out.. 1 may be short route vs 1 with 8 bends.. short route spools quicker we know that..

and ill lay all the $$$ you want on perrin vs garrett back to back tested if you like.. matter of fact ill lat 10:1.. put enough up for me to buy a perrin and ill give you triple back if it keeps the AIT the same as a Garett of same size..

My comparison with the black was atleast an identical car with different intercooler which you say doesnt make much difference.. I had a THICK chinese core on mine.. The spool looks similar doesnt it???

Mike

 

Just figured I'd give you a quick opinion on the above differences you mentioned.
1. The Perrin intercooler has proven to be very effective. I personally have one on my car and have done extensive logging with a GM AIT sensor in my intake manifold and have been nothing but happy with the results its shown on my car. With the size of turbos in this comparison I'm going to call this a draw. Scheides (BR Race) and I did some side-by-side pulls and comparsions a while back before I moved to TX and our MAT temps where within a few degrees of one another. Anyway, lets not let this turn into another X vs. Y bashing thread; our testing wasn't scientific, no I don't have the data anymore, I just remember they were so similar run after run we shrugged it off and went to go drink some beers.
2. The ported stock exhaust manifold definitely gets the nod in this one.
3. The eBay/Megan/whatever you want to call it o2 housing has been proven to show good results. I'm going to call this a draw.
4. I'm also going to call the upper IC pipes a draw; the differences are probably minor and I can't seem them showing any noticeable real-world difference one way or the other.

Again, like everything else, this is just one man's 2-cents. Testing one car vs. another is never going to be perfect, but I still appreciate Scheides taking the time to show us a basic comparison of these two turbos.

 

BBK Full is $1640 and HTAGreen is $1695. One thing though, is that special $150 oil feed line required for the HTAGreen?