CPT 66 Turbo???
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kingots2004
Member
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- Nov 6, 2007
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i run a 3400 n/l converter and cpt66 nonbb .no issues what so ever and i drive it 30 miles street race it drive home and cruse town in it.like it alot
I was going to get the cpt 66BB but don't know if a non lock up is best with this combination.
I would like to know that too.
Is 18 lbs of boost with a bigger turbo(67 or 66) pushing more air than 18 lbs with a smaller turbo(44)?
I know the 6776 was quoted to me that way.Im not sure about the CPT 66.The question is will there be much difference in power at 18lbs of boost between a TE-44 and CPT 66BB
I don't get the answer to that question so Im assuming the CPT 66 needs 20 lbs or more to mark a noticeable difference from the TE-44 also.
kingots2004
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- Nov 6, 2007
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you could always keep the smaller turbo and spray it all the way through 
I would think the bigger turbos would push more air and be cooler(more power) at lower boost levels. I know for a fact that my 44 made more power than the stock turbo at the same boost level(16lbs). I picked up 3mph and this was with pump gas(93 octane.) When I get mine back together I am going to running pump gas with the 6776bb I have and will post the times. I thinking it will be a huge difference. Our combo's are close so it should give you something to go by.
I have the BB CPT-61. I like it. My convertor stalled to about 2500 ish, THDP open dump and even closed exhaust the turbo spooled as well as the TE44 I had before. I think it's more efficient as I wasn't on alcy and was getting around 20 psi with no knock on pump gas and some octane booster/additive. Stock IC/dutt neck. mid 60 degree night time. Low 12's consistantly. 12.teens at 113mph
Trans went away with this combo, going to try PTC 2800 nonLock I think.
I kinda think I should have went bigger, no real noticeable lag, so why not bigger?
Trans went away with this combo, going to try PTC 2800 nonLock I think.
I kinda think I should have went bigger, no real noticeable lag, so why not bigger?
I think the CPT 66BB may push more air through it at lower boost levels because I saw 1 thread posted on this.The CPT-66 is Jack Cotton's favorite street/strip Turbo not the 6776.I would lean towards that one because he stands behind that one more then the 6776.There has to be a good reason for that
I would like to hear it from him though.I would hope at 18lbs of boost the CPT-66 produces more power then the TE-44 at 18 lbs of boost.I don't know if alky is a must do notice the difference either
Phoneguy
Cometic HG stress tester
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- Aug 27, 2002
- Messages
- 6,887
I had a CPT66 BB ( upgraded from a ta49) the 49 spooled quick with the stock converter. The 66 was slow to spool...UNTIL I got an Art Carr 9" NLU 3400-3600.......WOW. The car was a totally different animal. The NLU converter is not a problem on the street in my opinion.
Call Jack, give him your goals and he will get you there.
Bryan
Call Jack, give him your goals and he will get you there.
Bryan
Exactly!! Call Jack and tell him what you are looking for and what you are looking to spend and he will push you honestly in the right direction and Great customer service. He gave me his personal cell # when I needed help with my FAST, which ended up being a bad EGR valve!! He spent over 3 hours on the phone after hours with me. There are other vendors that will do the same; but Jack and Razor are the two that gave me their personal cell #. Everyone else I had to call their shops during working hours.
J
JCotton
Guest
Yes, the $995.00 is with the 4" S cover.... it is $100.00 more for the T cover which is also a 4" cover.. just a little larger outside diameter. The beauty of the Turbonetics turbo is we do not need the added expense of water cooling or special oil filter kits... lots of savings there as well as the initial cost of the turbo..
J
JCotton
Guest
Damn, just caught up on this, I'm way behind here in the shop.... I see I could spend lots of time responding to this thread. Let me try to answer this as efficiently as possible. The 66 series BB turbos are my favorite, we know that already, the 6765 is pretty much a similar turbo with some components most likely shared. 
I like and sell the PTE turbos as well, they are excellent turbos and Harry has taken care of us and the Buick community for a long time. I just prefer the Turbonetics version for the many reasons I have listed here and in other threads.
Do we need a 3400 stall, non lock convertor for it to work .... no. Would it be nice.... yes. Usually 3200-3400 stall lock up or non-lock up work fine. I just know that non lock up is my favorite, I like and sell the real Art Carr convertors as well as PTC and Pro-torque, the convertor choice depends on what my customers needs and requirements are. And yes.. you will make more power at 18lbs.... but I highly recommend we get you into Alky injection... you sound like you want to make power on the street, it only makes sense to do it with Alky.. and do it safely. Also, a turbos spoolup and power really is dependant on the surrounding combination one has.. a 66 with a stock convertor is not gonna work very well... a \good inter cooler also affect power and spool up, we also found using a 4" inlet pipe instead of a 3" pipe made a big differance in spool up, I was surprised as Brian L made the change and gave us that info...
I like and sell the PTE turbos as well, they are excellent turbos and Harry has taken care of us and the Buick community for a long time. I just prefer the Turbonetics version for the many reasons I have listed here and in other threads. Do we need a 3400 stall, non lock convertor for it to work .... no. Would it be nice.... yes. Usually 3200-3400 stall lock up or non-lock up work fine. I just know that non lock up is my favorite, I like and sell the real Art Carr convertors as well as PTC and Pro-torque, the convertor choice depends on what my customers needs and requirements are. And yes.. you will make more power at 18lbs.... but I highly recommend we get you into Alky injection... you sound like you want to make power on the street, it only makes sense to do it with Alky.. and do it safely. Also, a turbos spoolup and power really is dependant on the surrounding combination one has.. a 66 with a stock convertor is not gonna work very well... a \good inter cooler also affect power and spool up, we also found using a 4" inlet pipe instead of a 3" pipe made a big differance in spool up, I was surprised as Brian L made the change and gave us that info...
Black Power
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Real99, what is the deal with 18 psi? Is that all you think your motor will handle?
This should tell you something. Generally a bigger turbo will make more power at less psi than a small one. If you have a good intercooler and that turbo, it will run stronger @ 15 psi than your 44 did @ 18 psi. More efficient turbo make less heat and the cooler your inlet air is the more power you will make.
This should tell you something. Generally a bigger turbo will make more power at less psi than a small one. If you have a good intercooler and that turbo, it will run stronger @ 15 psi than your 44 did @ 18 psi. More efficient turbo make less heat and the cooler your inlet air is the more power you will make.
Well its just the fact of running a NLU converter on my car that I like to drive alot.I always thought a 3200 was usually the cut off for primarily a street driven Turbo Buick.The thing with 18 lbs is that I don't want to put Race fuel in.One can go poor living on Race gas these days.
With the Alky which I don't have yet it might be a great combination for me.I got CNC Ported Race Heads and matching ported Intake.I don't know what kind of manners a 3400 or 3600 NLU would be like.I know Art Carr's are the favorite NLU's.I would probably need injectors as I have the 009's too.
With the Alky which I don't have yet it might be a great combination for me.I got CNC Ported Race Heads and matching ported Intake.I don't know what kind of manners a 3400 or 3600 NLU would be like.I know Art Carr's are the favorite NLU's.I would probably need injectors as I have the 009's too.The BB66 w/.63 housing and a 2800 stall 9x11 - is only slightly more laggy than my TA49 w/PTE .63 housing.
This is on a tired engine that only had 100psi of compression. I'm sure with a fresh engine it'll be a beast.
It would completely kill my MT Dr's on a 10psi launch - where it would dead hook on a 15psi launch with the 49. To bad after the 330' it was dead - due to the tired engine.
This is on a tired engine that only had 100psi of compression. I'm sure with a fresh engine it'll be a beast.
It would completely kill my MT Dr's on a 10psi launch - where it would dead hook on a 15psi launch with the 49. To bad after the 330' it was dead - due to the tired engine.
The reccommendation for that sizw Turbo was 3200-3400.Maybe that leaving out the BB option.I would never launch on 15lbs
of Boost.Thats abusing the engine.
