MMP Stage 3 Cast Manifolds?

DonnieKDarko

New Member
Nov 1, 2016
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Saw this on FB, is there any dynos?

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Clean WHP

Corporal
Apr 24, 2017
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these seem awesome. I saw on instagram they should be 850+ WHP capable which if true just shows how much they flow. I wonder what they can make on 93 octane or on an e85 blend without PI? Probably better numbers on both than a traditional set of upgraded twins.

I think i'd rather have a really good, cool set of cast twins in the 3200-3400$ price range than a big single, so Im really excited to see the development on these!
 

Blue335is

Specialist
Dec 12, 2016
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Yeah this have really caught my eye. I'e run a fuel mmp products and have really appreciated the excellent customer service. If these do well in the reall world this may draw me away from my plans to go to a bottom mount single.
 
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dyezak

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May 4, 2017
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I am curious to see how these perform then they come out vs the GC's

I think reliability is of more concern. The GC's had their issues but it appears VTT has fixed the deficiencies. I don't know if MMP has addressed theirs. But I haven't heard of MMP pulling a Helix and shafting a customer, so even if you experience issues MMP does warranty their product.
 

Tippin

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Jan 31, 2017
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I think reliability is of more concern. The GC's had their issues but it appears VTT has fixed the deficiencies. I don't know if MMP has addressed theirs. But I haven't heard of MMP pulling a Helix and shafting a customer, so even if you experience issues MMP does warranty their product.

Well I mean the real problem is the parts (vtt, mmp, pure). They are all using a similar turbine wheel that has issues. At some point they have to choose going out of business or taking care of the customers but if they go out of business then no one is getting a warranty. I have the new VTT turbine wheels and look forward to seeing what type of beating they can take.
 

dyezak

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May 4, 2017
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Well I mean the real problem is the parts (vtt, mmp, pure). They are all using a similar turbine wheel that has issues. At some point they have to choose going out of business or taking care of the customers but if they go out of business then no one is getting a warranty. I have the new VTT turbine wheels and look forward to seeing what type of beating they can take.

I'm not sure what root cause is, but I know VTT has stated they spent a bit of money testing to find the root cause then made adequate changes to address the issue. I haven't seen it divulged as to what the root cause was or what the changes were but I do know I've not seen any more posts about GC problems. So empirically it appears that the issue was/is solved.