Gt 67 ?
06-14-2006, 07:09 PM
#21
Originally Posted by JZ 97 SS 1500
Keep in mind guys, the MP T70 is a 69mm unit. Also the 67 will outspool and outpower the MPT70. We did back to back testing of both units for a company.
Jose
Jose
06-14-2006, 11:12 PM
#22
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If you want some info, give us a call. We can not post the info publicly since it was testing done for another company, and not ours. We were happy to test them though as usual since we see every variation of turbos that can possibly be built. 
06-14-2006, 11:38 PM
#23
Originally Posted by JZ 97 SS 1500
If you want some info, give us a call. We can not post the info publicly since it was testing done for another company, and not ours. We were happy to test them though as usual since we see every variation of turbos that can possibly be built.
06-15-2006, 10:01 AM
#25
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Originally Posted by TIM Z
im not up to speed when it comes to housing ratios. What ratio does my 60-1 have and if i just have it upgraded to a 67 will it kinda of be the best of both worlds as compared to the 60-1 im running now? i also want to up my boost to 10 psi soon.
I have been running mine at 10 psi for some time now but it seems I need methanol injection to keep the KR away. My meth kit got air locked and I was seeing 4-7* of KR until I figured the problem out. Works fine at 5 spi with no meth and no KR.
During a run with meth (50/50) and water mix I see IATs climb 25-30* so I think the compressor is reaching the end of its working range on the 6.0L but hope to get a couple of more psi out of it yet. I like it because it seems to spool pretty fast on the street. I am upgrading to an AlkyControl kit so we will see if that improves the situation any and allows me to run some more boost and maybe a little more timing.
06-15-2006, 12:26 PM
#26
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The T60-1 with the Hemi kits comes with a .96 AR. (So does the GT67). At 9 to 10psi, our engines are in the 450rwhp range. I was running 8psi and tuning hard to keep EGT's down. I put the GT67 in and didn't touch the EBC. Opening boost was freaking 13psi after the gt67 install!!!! I dialed it back to 8psi and my EGT's are 75 degree's cooler than with the T60 at the same boost level. I was maxing the T60-1 efforts just holding 8psi.
06-15-2006, 12:44 PM
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I think it's important to note here that the GT series are a completely different design than the older "T" series units. They have revised wheel geometry and a completley different center section with fewer parts. That's a reason why there's such a difference in performance when comparing it to a T60-1 or a T70.
