Turbonetics T-70 ??
11-07-06, 04:45 PM
#1
7Azn
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Turbonetics T-70 ??
what do yall guys think ?? might purchase the turbo by tomorrow ??
whats my max hp on that if i plan on maxing it out ??
any ideas if its a good choice or not ...
i was planning for a t-78 or t-88 but will this t-70 match it ?
whats my max hp on that if i plan on maxing it out ??
any ideas if its a good choice or not ...
i was planning for a t-78 or t-88 but will this t-70 match it ?
11-07-06, 05:39 PM
#2
Original Gangster/Rotary!
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The T-70 is actually larger than a greddy t78 on the compressor side (greddy t-78 is sized like a turbonetics t-66). You will be looking at some lag, I personally don't consider that a streetable setup. That turbo is better suited to drag racing/high boost and race gas applications.
11-07-06, 06:01 PM
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Original Gangster/Rotary!
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Originally Posted by pwwatkins
If you're talking about that one in the fs section, it would be pretty hard to pass up that deal.
11-07-06, 07:20 PM
#7
Original Gangster/Rotary!
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Well, I just looked at a few T-70 dynosheets, and they all look pretty anemic below 5000 rpms. A lot depends on your application---if it's a full blown drag car, highway racer, then go for it. Otherwise for a street car, I know I wouldn't like it. If you're on a budget, look into the BNR Stage 3s sequentially.
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11-07-06, 08:17 PM
#8
Weird Cat Man
To be honest, you're going about this in the wrong order. Buying a turbo without knowing your final goals is almost surely going to be a waste of money.
What is your target RWHP?
Will you only run pump gas?
Will you run water or methanol injection?
Do you prefer good streetability or max HP for drag racing?
Answering some of these questions will help us to help you more
What is your target RWHP?
Will you only run pump gas?
Will you run water or methanol injection?
Do you prefer good streetability or max HP for drag racing?
Answering some of these questions will help us to help you more
11-08-06, 07:32 AM
#9
Hands down the best street turbo ( for RX-7s ) from Turbonetics is the 62-1 with the T66 a close second. Trust me I am an authorized dealer for them and have installed pretty much every turbo/combination on RX-7s. Don't trust me, then let the compressor maps speak for themselves. Most street cars are run in the 12psi range which is 76% efficiency for the 62-1. Once you get to around 15psi, then the T66 is starting to be the better choice. I have way too many people wanting to get the T70, T72, and T76 and I have to talk them out of it. There is no reason to buy such a big turbo for the street as most people will never see the good out of them...running it at 23+ psi all the time. You can still make 450 at the tires on a 62-1 stock motor RX-7. Once again there is no reason to buy such a big turbo for the street, only to increase lag and decrease efficiency, and not even push the turbo.
11-08-06, 01:20 PM
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Originally Posted by stevenoz
Hands down the best street turbo ( for RX-7s ) from Turbonetics is the 62-1 with the T66 a close second. Trust me I am an authorized dealer for them and have installed pretty much every turbo/combination on RX-7s. Don't trust me, then let the compressor maps speak for themselves. Most street cars are run in the 12psi range which is 76% efficiency for the 62-1. Once you get to around 15psi, then the T66 is starting to be the better choice. I have way too many people wanting to get the T70, T72, and T76 and I have to talk them out of it. There is no reason to buy such a big turbo for the street as most people will never see the good out of them...running it at 23+ psi all the time. You can still make 450 at the tires on a 62-1 stock motor RX-7. Once again there is no reason to buy such a big turbo for the street, only to increase lag and decrease efficiency, and not even push the turbo.
What would you recommend to get %100 efficiency from a BB 62-1 Turbonetics? 14-15 psi? Just curoius because I will be installing this on a Large StreetPorted motor shortly. Etimated whp with supporting mods?
Sorry to steel the post but hopefully this helps educate someone on turbo Knowledge and expectations. Thanks, D
11-08-06, 02:51 PM
#11
Original Gangster/Rotary!
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Originally Posted by tdazmansFD
What would you recommend to get %100 efficiency from a BB 62-1 Turbonetics? 14-15 psi? Just curoius because I will be installing this on a Large StreetPorted motor shortly. Etimated whp with supporting mods?
Sorry to steel the post but hopefully this helps educate someone on turbo Knowledge and expectations. Thanks, D
Sorry to steel the post but hopefully this helps educate someone on turbo Knowledge and expectations. Thanks, D
11-08-06, 03:19 PM
#12
There is no such thing as a 100% efficient turbo. Put it this way, 76% is like getting 100% efficiency. Hereis a general guideline for most stock/street ported 2-rotors using Turbonectics turbos:
10psi or less: 60-1 or 62-1
10-15psi: 62-1
15-22psi: T66
20psi+: T66 T70 T72
Now this is not to say that the 62-1 won't function well at 20psi. Its just to say that if you are going to run 20psi all the time there is a better choice for you.
I really don't even list the T76 as there are not many people going to run 2 bar on the street.
10psi or less: 60-1 or 62-1
10-15psi: 62-1
15-22psi: T66
20psi+: T66 T70 T72
Now this is not to say that the 62-1 won't function well at 20psi. Its just to say that if you are going to run 20psi all the time there is a better choice for you.
I really don't even list the T76 as there are not many people going to run 2 bar on the street.
11-08-06, 04:03 PM
#14
Weird Cat Man
A 62-1, 60-1, T66 are all pretty solid picks for the streetable turbos from the "old school" turbos. Some of the newer ones like the GT series (GT35R, GT40R type stuff) are good too, but they do cost more.
11-08-06, 05:44 PM
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i personally love the Greddy T78 or Turbonetics T66 on street cars. we usually see 15psi right at or a little before 4k rpms (streetported motors) and they eaaaasily make over 400rwhp at that boost level.
i personally will be running only one boost setting on my FC and that will be around 22-25psi. the car will only be driven on weekends most likely my choice is the t78.
i agree with what has been said before tho, if you seriously aren't going to turn up the jam and only run 15psi or less then stay away from these huge turbos. look at it this way... a true 60-1 typically makes 400rwhp at 15psi +/- a few hp. a 62-1 often makes about the same and even up to around mid 400's at same boost. after that you usually don't end up making any more power at that same boost level because your moving the efficiency so far up in the boost range with these T70's, T72's, etc.. altho i do think the MPT70 is a great turbo.... if your going to make use of it. on neals half-bridge we're seeing 15psi by 4200rpms!!!!!
porting and TUNE plays a lot in this of course. as said you really need to understand what you truly want from the car.
i personally will be running only one boost setting on my FC and that will be around 22-25psi. the car will only be driven on weekends most likely
my choice is the t78.i agree with what has been said before tho, if you seriously aren't going to turn up the jam and only run 15psi or less then stay away from these huge turbos. look at it this way... a true 60-1 typically makes 400rwhp at 15psi +/- a few hp. a 62-1 often makes about the same and even up to around mid 400's at same boost. after that you usually don't end up making any more power at that same boost level because your moving the efficiency so far up in the boost range with these T70's, T72's, etc.. altho i do think the MPT70 is a great turbo.... if your going to make use of it. on neals half-bridge we're seeing 15psi by 4200rpms!!!!!
porting and TUNE plays a lot in this of course. as said you really need to understand what you truly want from the car.
Last edited by No_Rotor_RX7; 11-08-06 at 05:49 PM.
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