HTA Green vs. BBK
#181
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Every thread you are going to see comparing the two will turn out like this one... an argument. Someone (hopefully a respectable shop) will have a built 2.0 test car and do just a simple turbo swap between these two and post up numbers. I was hoping that Mike@AWD was going to in their stock framed turbo shootout, but he passed on doing the HTA Green and went for another HTA turbo... Not sure which actually..
FWIW I just made ~500/500 on a DynoDynamics with the HTA Green on a built 2.1
FWIW I just made ~500/500 on a DynoDynamics with the HTA Green on a built 2.1
#182
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I will post it in good time my friend. I am upgrading intercoolers first. This Greddy one is only a 3" core, I need a 4" and I will gain at least another 20/10 or so.... I don't want to post two numbers so I will wait until the best and then post.
I will never change motors. This has the perfect combination, increase in displacement and spool with more down low torque while still being able to rev to 10,000 if I wanted to... Perfect street setup if you ask me. I am biased though, it is my car!
I will never change motors. This has the perfect combination, increase in displacement and spool with more down low torque while still being able to rev to 10,000 if I wanted to... Perfect street setup if you ask me. I am biased though, it is my car!
#185
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Wow, big deal, a 25cc increase in swept volume per cylinder. ThatŽs roughly equivalent to one of those radio controlled hobby planes. Gee!
Last edited by sparky; May 24, 2010 at 09:54 PM.
#186
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You can notice an increase in spool. When I do a writeup you will see it spools at least 300rpm sooner than with the 2.0 liter. Not a huge difference, but with a turbo that already spools in the low-mid 3000's you can feel the difference, significantly. That is just one reason why I like the motor too, however. The high rev's and better low end torque make it a quality combination I think...
#188
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You can notice an increase in spool. When I do a writeup you will see it spools at least 300rpm sooner than with the 2.0 liter. Not a huge difference, but with a turbo that already spools in the low-mid 3000's you can feel the difference, significantly. That is just one reason why I like the motor too, however. The high rev's and better low end torque make it a quality combination I think...
#189
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https://secure.buschurracing.com/cat...oducts_id=1402
This is the motor I am running.
#191
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Rockster: I should legally not be including the Red in my mods yet. I have it basically bolted up but I still have to remount the radiator and etc. I did preload the f**k out of the WGA actually as I just bottomed the threads on the actuator rod out, IŽll PM you my impressions as soon as I make the final adjustments and take it for the virgin voyage. Take care Bud!
#192
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Nope. This is why I am pretty certain it is the displacement. A few other things were tweaked too during the build. Head is now stage 3, etc. All of which could play a factor.
https://secure.buschurracing.com/cat...oducts_id=1402
This is the motor I am running.
https://secure.buschurracing.com/cat...oducts_id=1402
This is the motor I am running.
What is included in this block? With the Buschur Racing 2.1L shortblock you will receive:
1 - Crank shaft
1 - Thrust Bearing
1 - set of Pistons Rings
1 - Set of Rod Bearings
1 - Set of Main Bearings
1 - Water Pump (Needed for 2.1)
1 - Head Gasket (Needed for 2.1)
1 - Set of BR Spec Manley Turbo Tough Connecting Rods
1 - Set of BR Spec Manley Performance Coated Forged Pistons
Compression Ratio: 10:1
1 - Crank shaft
1 - Thrust Bearing
1 - set of Pistons Rings
1 - Set of Rod Bearings
1 - Set of Main Bearings
1 - Water Pump (Needed for 2.1)
1 - Head Gasket (Needed for 2.1)
1 - Set of BR Spec Manley Turbo Tough Connecting Rods
1 - Set of BR Spec Manley Performance Coated Forged Pistons
Compression Ratio: 10:1
Like I was saying, I'm willing to bet that has a good deal to do with your butt dyno....
#193
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Rockster: I should legally not be including the Red in my mods yet. I have it basically bolted up but I still have to remount the radiator and etc. I did preload the f**k out of the WGA actually as I just bottomed the threads on the actuator rod out, IŽll PM you my impressions as soon as I make the final adjustments and take it for the virgin voyage. Take care Bud!
#194
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a 100 cc increase is worth about 5 motor hp on a normally aspirated engine. It is just not that big of a deal. On the old SOHC BMW 4 cylinder engines each increase from 1600cc, to 1800cc, to 2000cc, was worth about 10 D.I.N.
Sure, on a forced induction engine you would expect a larger power increase. But, maybe instead of a 10 DIN increase per 200cc volume increase on a normally aspirated engine you would expect a 15 DIN increase for every 200cc increase in displacement.
On the BR 2.1L engine how much of a gain in power can you realistically expect from an increase of just 25cc per cylinder over a 2.0L motor?. Do you think that 100cc is the volume contained in a shot glass? It just seems insignificant to me.
Sure, on a forced induction engine you would expect a larger power increase. But, maybe instead of a 10 DIN increase per 200cc volume increase on a normally aspirated engine you would expect a 15 DIN increase for every 200cc increase in displacement.
On the BR 2.1L engine how much of a gain in power can you realistically expect from an increase of just 25cc per cylinder over a 2.0L motor?. Do you think that 100cc is the volume contained in a shot glass? It just seems insignificant to me.