What hp rating is the new turbonetic HP67's? how do they compare to the new precision
10-14-2011, 09:45 PM
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What hp rating is the new turbonetic HP67's? how do they compare to the new precision What HP rating are they with ball bearing and billet wheel? I notice that I can get the new turbonetics HP6768 with ball bearing/billet wheel a little cheaper the the new PT6768 CEA with journal bearings. Which is the best option? So both are same everything but one is ball and the other is journal. Does ball bearing really spool faster? Both full billet and ball bearing turbo are a big diff in price. HP67 is $1600 and PT67 Cea is $2300.
10-15-2011, 07:39 AM
#2
They're both top brands, but I personally would go with turbonetics. In my humble opinion, precision units are overpriced and over-rated, don't get me wrong... I'm NOT saying they're bad, they just have a tendency to over inflate their hp rating, the way I see it, they are going full throttle all the way into marketing their products. For an example, I've spoke to one of their tech guy the other day to upgrade my twin turbonetics t3/t4, keep in mind that I specifically asked for a t3 .82AR, 3"v-band turbine housing for my specific application, he recommended a
their t3/t4 6766 and told me that it would make 930hp per turbo
. I'm no Einstein, but that 930hp per turbo just ain't gonna happen in a 3"v-band t3 turbine housing on my motor. I've actually called there twice on that same day just to verify and to make sure that they understand fully that I'm wanting a 3"v-band t/3 housing, and unequivocally given the same 930hp per turbo.
BTW, with all that 441cubes you got, I won't even be concern about the ball-bearings for spool time, it would be nice to have if you don't mind the extra price, and they're suppose to last a bit longer compared to journals, and if you're planning to spin that motor like a motogp bikes, then go fo the HPC-67 but if not, a cast HP-67 wheel would do just fine as it always have in the past.
their t3/t4 6766 and told me that it would make 930hp per turbo
. I'm no Einstein, but that 930hp per turbo just ain't gonna happen in a 3"v-band t3 turbine housing on my motor. I've actually called there twice on that same day just to verify and to make sure that they understand fully that I'm wanting a 3"v-band t/3 housing, and unequivocally given the same 930hp per turbo. BTW, with all that 441cubes you got, I won't even be concern about the ball-bearings for spool time, it would be nice to have if you don't mind the extra price, and they're suppose to last a bit longer compared to journals, and if you're planning to spin that motor like a motogp bikes, then go fo the HPC-67 but if not, a cast HP-67 wheel would do just fine as it always have in the past.
Last edited by Boo"SS"t; 10-15-2011 at 11:45 AM.
10-15-2011, 11:16 PM
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^^^ tell me about it. "what lag?" i really like my set up. i would say most dont need billet. they are cool! but come on, think about your goals realistically. same with BB equip. it's your money.
i have to ask, have you pushed your tc-70's yet? 970 on pump is no joke!
i have to ask, have you pushed your tc-70's yet? 970 on pump is no joke!
Last edited by madmax4499; 10-15-2011 at 11:30 PM.
10-15-2011, 11:26 PM
#7
Precision bases there lbs/min on 30psi do in the import world there numbers are very honest numbers. But since most of us don't get over 20 psi there numbers seem high.
Also the new precision is a 6766 not a 6768. Twin 6766 is what I am running on my 427
Also the new precision is a 6766 not a 6768. Twin 6766 is what I am running on my 427
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10-16-2011, 02:08 PM
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So its between the new Turbonetic HP67mm or 68mm with the new HPC billet wheel and ball bearings or the new precision PT67mm with new CEA billet wheel with journal bearings. They rated pt67 CEA for 935hp and I think HPC68 for 950hp. Which should spool faster out of the two? I get any info on the HPC Turbonetic stuff. I just want spool faster then my tc70 with cast wheel and journal bearing. With turbo rated for more power I should also pick up top.
10-16-2011, 03:41 PM
#10
I just used Precision billet 6765's with the v-band turbine and journal bearings on a 427 in a customers GTO. It made 630 on 10psi on a Mustang dyno (prob 700 on Dynojet). Spools very well on the street with no lag. Should make 1000 around 20psi. Very easy to package with the small size.
10-16-2011, 04:39 PM
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I just used Precision billet 6765's with the v-band turbine and journal bearings on a 427 in a customers GTO. It made 630 on 10psi on a Mustang dyno (prob 700 on Dynojet). Spools very well on the street with no lag. Should make 1000 around 20psi. Very easy to package with the small size.
10-16-2011, 05:29 PM
#14
So its between the new Turbonetic HP67mm or 68mm with the new HPC billet wheel and ball bearings or the new precision PT67mm with new CEA billet wheel with journal bearings. They rated pt67 CEA for 935hp and I think HPC68 for 950hp. Which should spool faster out of the two? I get any info on the HPC Turbonetic stuff. I just want spool faster then my tc70 with cast wheel and journal bearing. With turbo rated for more power I should also pick up top.
10-16-2011, 09:31 PM
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So I have 60series TC70's journal bearing/cast wheel that start building a little boost around 3100RPM and hits like a freight train at 4000RPM now. So if I got the new HPC67 billet wheel with ball bearings or the PT67 CEA billet wheel with journal bearings what would the diff be between them all. They will all have a 68 turbine and all will a .81 A/R housing. How many RPM' will I gain in spoiling? I would like to spool 500-1000RPM faster. I know I should pick up peak power to. These new turbos make 200+HP total