New CBRD build.... some cool stuff..
May 22, 2008, 06:16 AM
#107
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Quick disconnects are awesome. I use them on my car. It beats using ss line for vaccuum hoses. I'm pretty sure tractor trailers use the same type of fittings for air brakes.
www.Mcmaster.com is where I got mine from.
www.Mcmaster.com is where I got mine from.
Yes they are, FMVSS and D.O.T. approved for use in Tractor Trailer Air Brake Systems. So, my guess is if they are good for 80,000lb truck brake systems at 100+ psi, they will be good for anything my car could possibly throw at them.
May 22, 2008, 12:43 PM
#108
Man, if you do that, put a .63 a/r turbine housing on the HTA30R first! Your 50 trim hybrid is still using a .63 isn't it?
I would probably buy one of the hybrids if it clearly spooled faster than an HTA3076 w .63 a/r and made the same or more power on pump gas - and didn't surge!
Gary
I would probably buy one of the hybrids if it clearly spooled faster than an HTA3076 w .63 a/r and made the same or more power on pump gas - and didn't surge!
Gary
we really want to put a .82 hotside on the hybrid turbo, we think that will allow more power everywhere.
CB
May 25, 2008, 04:23 PM
#110
Evolving Member
Hmm, trying to keep this straight so I can tell your custom builds one from another.
The GT3776 compressor wheel is 76.2mm exducer and 52 trim. But it's not one of those?
The "regular" GT3076 available in the USA is 76.2mm exducer and 56 trim. It's not one of those either?
The HKS 3037 has a variety of 76.2mm exducer Garrett GT compressor wheels available, one is a 52 trim. Is it like that?
Thanks,
Gary
May 25, 2008, 06:48 PM
#111
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Hmm, trying to keep this straight so I can tell your custom builds one from another.
The GT3776 compressor wheel is 76.2mm exducer and 52 trim. But it's not one of those?
The "regular" GT3076 available in the USA is 76.2mm exducer and 56 trim. It's not one of those either?
The HKS 3037 has a variety of 76.2mm exducer Garrett GT compressor wheels available, one is a 52 trim. Is it like that?
Thanks,
Gary
The GT3776 compressor wheel is 76.2mm exducer and 52 trim. But it's not one of those?
The "regular" GT3076 available in the USA is 76.2mm exducer and 56 trim. It's not one of those either?
The HKS 3037 has a variety of 76.2mm exducer Garrett GT compressor wheels available, one is a 52 trim. Is it like that?
Thanks,
Gary
Last edited by DS-03evo; Aug 23, 2008 at 04:19 PM.
May 25, 2008, 11:45 PM
#112
Evolving Member
Your 58 lb/min wheel by the way has a sneaky little compressor map (if it's the GT3782). At first glance it doesn't look like much. The GT3076 has higher max PR and almost the same max lb/min. But pick a likely max operating point. Say 3.25 PR and 50 lb/min. This is right on the max speed line of the GT3782 map. The GT3782 rated efficiency there is about 75%. Find the same point on the GT3076 map. Rated efficiency is only about 68%. That's a big difference!
The wheel that Chad says is 55lb/min has me bamboozled. I don't see where it came from.
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