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Garrett GT42 vs. Maste Power GT45

Old 10-25-05, 12:26 AM
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Garrett GT42 vs. Maste Power GT45

I am struggling to find any decent documentation on Master Power turbos. Compressor maps, inducer/exducer, etc... After reading around on the forums, people say that the garrett gt42 and the mpgt45 are the same (or close to the same) specs. Can anybody verify this with some hard evidence?

I've heard nothing but good things about Master Power T70's, 62-1's, and 60-1's, but it doesn't seem like many have actually used the GT45.

-Marques
Old 10-25-05, 01:15 PM
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You might have more luck posting this in the Single Turbo section.

See kabooski's post in this thread for a little more info on the Garrett GT42 vs. MP GT45:

https://www.rx7club.com/single-turbo-rx-7s-23/my-gt42-dyno-chart-475388/page3/
Old 10-25-05, 03:44 PM
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Yeah I definitely meant to post it there. Thanks for the link.
Old 10-25-05, 05:32 PM
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actually its here

https://www.rx7club.com/showthread.p...4&page=3&pp=15

its not a bad turbo
has like a T5 split opening
a GT style CHRA


actually its closer to that of a HKS T51 with a blend of a Garrett GT


I think Master Power in Brazil
has a license from Garrett to reproduce some of there products
(wheels, CHRA etc)

It can be had for $650-675

if your on a budget
I would so go for it

should make 500+ HP
the only thing that had me worried
and the reason why I sold it
was warrenty

read of a few problems getting parts
from brazil
and taking forever to get turbos back
Old 10-25-05, 09:22 PM
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I swear, it is like breaking into the national security system trying to find a compressor map for the damn thing.

I'm not on a budget, but if I can save a few bucks for a turbo equal in quality, then why not go for it. T5 split opening...explain por favor.

-Marques
Old 10-26-05, 07:13 AM
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Originally Posted by mwatson184
I am struggling to find any decent documentation on Master Power turbos. Compressor maps, inducer/exducer, etc... After reading around on the forums, people say that the garrett gt42 and the mpgt45 are the same (or close to the same) specs. Can anybody verify this with some hard evidence?

I've heard nothing but good things about Master Power T70's, 62-1's, and 60-1's, but it doesn't seem like many have actually used the GT45.

-Marques
Masterpower dont yet offer compressor maps, they are currently working on this now and will be availbe soon along with a range of new compressors and the chrome edition which features chrome compressor and turbine housing.

Yes the Masterpower Gt45 is same spec as the Garrett Gt42. However i think the masterpower model is better because it uses the t4 flange on turbine with a smaller v band which makes dump pipe and manifold construction easier.

I am the NewZealand dealer for them. feel free to pm for prices and any question you may have regarding the gt45 and other specs
Old 10-30-05, 02:16 PM
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MP GT45 is actually smaller then a Garrett GT42
Here's some specs on the MP GT45:

810017 TURBO GT45

810018 CHRA
807258 Shaft & Wheel S4 77.5mm Left THD
807151 Compressor Wheel 68.9mm
801154 Turbine Housing A/R 1.05 77mm NB078
807093 Compressor Housing GT45 69.0mm NB066

Their MP T70 actually has bigger inducer on the compressor wheel and matches Turbonetics T70 but the exducer matches a Turbonetics T66.

810015 Turbo T 70 - " P " .68 Tang.

810010 Cart. Assembly*
807347 Turbine Wheel TO4”P” Trim 64.5mm / 2.53” (Ind. 2.539”. May. 2.913”)
807408 Compressor Wheel TO4P 69.11mm / 2.72” (Ind. 2.721” May. 3.582”)
801137 Turbine Housing A/R .68 NB085
807179 Compressor Housing .70 TO4E NB012B
Old 02-25-10, 05:42 PM
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I just forked out for a GARRETT GT45, but a friend of mine said I would've been better keeping the money and getting a MP T70. Thoughts? I'm currently running 550hp @ the flywheel @ 11.6psi.
Old 02-25-10, 05:54 PM
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Yep, i got a masterpower t70 for sale. Plug. plug.
Old 03-01-10, 09:42 PM
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Know a couple guys running masterpower turbo's on non-rotary's here. Feedback is best bang for the buck! Old school journal bearing etc, but you're getting a well built turbo priced not much above the chinese junk.
Old 03-16-13, 09:53 AM
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Hey

Does anyone have a compressor map for the GT4502r?

Thanks in advance!
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