mp 62-1 or mp t-70
MP62 -1 turbo
T04 P-trim Turbine Wheel - (Ind. 2.539”/Maj. 2.913”) T04E Compressor Wheel - (Ind. 2.400”/Maj. 3.582”) .70a/r T04E compressor housing 4" inlet MP T-70 turbo T04 P-trim Turbine Wheel - (Ind. 2.539”/Maj. 2.913”) T04E Compressor Wheel - (Ind. 2.720”/Maj. 3.584”) .70a/r T04E compressor housing 4" inlet the only difference is .320" on the inducer... is that going to make a huge difference? in spool and power..... ill be using a 1.15 divided rear btw. Im going for big peak HP... i was going to get the t70 one but i got a great offer on the 62-1. thats why i ask. Im trying to get 400+whp without having to run 20psi to get it. |
Either turbo should get you 400whp below 20psi. From what I have heard, the inducer has more to do with the efficiency level than the overall flow which is more dictated by the exducer of the compressor.. however, I don't know exactly how accurate that information is.
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so which turbo should spool faster?
s4 tii, stock port, divided manifold, divided 1.15 or 1.00 a/r rear. 3"dp no cats 3" cb. haltech e6k |
i would probably say the smaller turbo..save the headache and get it, you will still make good power
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too late :) i got a MP t-70
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t70 w/ 1.15 on stock ports will prolly be pretty laggy, I'd say 1.00 for now, you can always change it later on tho. My friend has a t70 w/ .84 hotside on a massive streetport and hits full boost at ~4500...
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That is a pretty big hot side for the a motor on stock ports. Did you buy that turbo from Ebay? People have some mixed emotions on those Ebay Master Power T70s.
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so with a divided manifold... i need to run a .84, .96, 1.00?
i want it to be divided too to match the manifold. Im having a hard time finding a divided .96 tho. :( I want max power.. freeway type racing. so a really peaky dyno sheet is cool. i have to get another hot side anyway... it has a .70 on it. im looking for full boost by 5k/5.5k in 2nd gear... and 4k/4.5k or so in 3rd. so what hot side? |
Originally Posted by 2a+RoN
t70 w/ 1.15 on stock ports will prolly be pretty laggy, I'd say 1.00 for now, you can always change it later on tho. My friend has a t70 w/ .84 hotside on a massive streetport and hits full boost at ~4500...
i have a feeling i wont hit full boost in 1st. maybe 10psi or so... then get the full 15psi in 2nd. how much WHP does he make with that setup? |
Originally Posted by sleeperfc
full boost by 4500 in what gear tho? load?
i have a feeling i wont hit full boost in 1st. maybe 10psi or so... then get the full 15psi in 2nd. how much WHP does he make with that setup? even at 10psi you will probably see figures over 350rwhp on the mpt70 |
well a .96 on center will fit without mods to the manifold.... i think im going to try it.. and if it sucks ill get it modded and change to a tang 1.00 later.
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Originally Posted by sleeperfc
well a .96 on center will fit without mods to the manifold.... i think im going to try it.. and if it sucks ill get it modded and change to a tang 1.00 later.
is it my turbo? |
i plan to change it. it has a t3 .70 on it, im buying another ptrim t4 housing.... i just need to decide on what size.
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If you are running stock ports and street drive it,0.84 tang/divided T4 would be a good choice with that large comp. wheel.
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i was seeing 350rwhp at 11psi. and 390rwhp at 13psi. on my Half Bridge i could hit 1bar in 1st gear from a stop. then 480rwhp at 20ish with a leak and old plugs
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Originally Posted by The Griffin
If you are running stock ports and street drive it,0.84 tang/divided T4 would be a good choice with that large comp. wheel.
how much peak power loss would such a small housing cause? How much faster spool would it give? anyone running a .84 and still making good power on a large turbo? |
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