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Old Jan 17, 2006 | 01:21 AM
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Default Master Power turbos

i was looking at some pricing on a T70 P-trim A/R.68 rated at 850hp but dont know to much on master power turbos just wanted to get some feed back i was looking in to making my own kit on 355 lt1
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Old Jan 17, 2006 | 07:05 AM
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You have a PM sir.
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Old Jan 17, 2006 | 12:51 PM
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i have the same turbo but think imma change housing to something bigger from the start...like to an .81 or possibly a .96 but i doubt the .96 what do u guys think?..i think the .68 would boost too quick for daily driving i want something that spools hard in mid-range and top-end..???????????????????
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Old Jan 17, 2006 | 12:57 PM
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The .68 is too small for a 346 engine.

Jose
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Old Jan 17, 2006 | 01:09 PM
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I have a MP T-70 with an oncenter .96a/r ex-housing and it spools very quickly and seams to make great power ( I have not been to the track or dyno yet). I will say my car feels quicker than it did with the TTI T-76 at the same boost level, and the car put down 523 at 10 psi with that turbo. I think they are a great bang for the buck turbo if you don't need more than 650rwhp (with a front mount system).
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Old Jan 17, 2006 | 06:09 PM
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Originally Posted by SUPER DAVES Z
I have a MP T-70 with an oncenter .96a/r ex-housing and it spools very quickly and seams to make great power ( I have not been to the track or dyno yet). I will say my car feels quicker than it did with the TTI T-76 at the same boost level, and the car put down 523 at 10 psi with that turbo. I think they are a great bang for the buck turbo if you don't need more than 650rwhp (with a front mount system).
So it sounds like a .96 exhaust housing is sufficient. Do you have any pictures of your setup?

Andrew
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Old Jan 17, 2006 | 11:51 PM
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I have the same set up. I put the .96ar housing on mine, and it spools almost instanatly. I couldnt be happier with the turbo. Now its time to go bigger.
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Old Jan 18, 2006 | 09:12 AM
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Originally Posted by Project GatTagO
So it sounds like a .96 exhaust housing is sufficient. Do you have any pictures of your setup?

Andrew
Definatly go with at least a .96a/r on ALL T-4 turbos that will used for a front mount single turbo system on ls-1's. This will help keep the exhaust pressures as low as possible when making 600+rwhp.

I will try and take some this weekend and shoot them your way.

Later,
Dave
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Old Jan 18, 2006 | 10:26 AM
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Originally Posted by SUPER DAVES Z
Definatly go with at least a .96a/r on ALL T-4 turbos that will used for a front mount single turbo system on ls-1's. This will help keep the exhaust pressures as low as possible when making 600+rwhp.

I will try and take some this weekend and shoot them your way.

Later,
Dave
Pictures would be great. Everyone seems to think that a MP T70 is not big enough for a stock cube LS1. Its good to see that it works well in milder applications. I am looking for a mild combo with 500-525 RWHP. Keeping boost levels as low as possible while getting that power level.

What cam are you running Dave?

Andrew
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Old Jan 18, 2006 | 11:28 AM
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Originally Posted by Project GatTagO
Pictures would be great. Everyone seems to think that a MP T70 is not big enough for a stock cube LS1. Its good to see that it works well in milder applications. I am looking for a mild combo with 500-525 RWHP. Keeping boost levels as low as possible while getting that power level.

What cam are you running Dave?

Andrew
It'll do 500-525 rwhp easy. A couple of mustangs have made 700rwhp with the T-70 on 306 and 331 ci motors. I'll probably max out the kit before the turbo. So far it's been a great little turbo for me, considering it cost around $600 total (this includes the $50 for the .96a/r housing from ebay) and I have an extra .68 tangental housing (which I need to sell). I'm going to see how close I am to my buddies PTK cobra (running a PE 76-GTS 550rwhp at 10psi) and that'll tell me about where I am.

I have a lunati single pattern cam (real similar to MBI's B cam) 221/221 .558/.558 on 114.
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Old Jan 18, 2006 | 12:50 PM
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so is this to small for a my 355 sorry new to FI will A/R.68 choke up on the topend
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Old Jan 18, 2006 | 01:10 PM
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Originally Posted by onebadLT-1
so is this to small for a my 355 sorry new to FI will A/R.68 choke up on the topend

The T-70 will work, but your right the .68 would choke the motor. You would just want to swap exhaust housings (there are 2 main parts, compresser and turbine). Best thing to do would be call Jose buy a turbo from him. He know's damn never everything about turbos and he can get you components that would work perfectly for the set-up you have in power range you are looking for.

Jose at forced inductions--256-658-5798

Later,
Dave
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Old Jan 18, 2006 | 01:29 PM
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Like Dave said the 68 will choke that motor off quick, especially with a p-trim wheel.

Jose
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Old Jan 18, 2006 | 10:08 PM
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So Jose, what t70 would you recomend for a mild 355 then (650 rwhp +/-), running mild boost (around 15 psi) limited to 7000 rpm's?
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Old Jan 18, 2006 | 11:09 PM
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i would aslo like to know thanks
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Old Jan 19, 2006 | 02:56 AM
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If I had to buy a 70, if space limited the 70GTS, if not space limited then a GT42-70. Leaves you room grow to large compressor wheels without having to redo the system.

JZ
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Old Jan 19, 2006 | 05:48 PM
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how much bigger is the gt42 to the 70
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Old Jan 19, 2006 | 09:19 PM
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hey Jose, how would this one do? 810009
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Old Jan 19, 2006 | 09:42 PM
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Originally Posted by onebadLT-1
how much bigger is the gt42 to the 70
Externally its a good it larger. I will see if I have some pics.
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Old Jan 19, 2006 | 09:42 PM
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Originally Posted by whynot
hey Jose, how would this one do? 810009
That unit is even smaller, since its only a T3 flange unit.
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