M2 turbo upgrade
10-28-02, 07:49 PM
#1
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M2 turbo upgrade
When you send your turbos to M2 to get upgraded, do they do a whole rebuild to make the turbos like new or just upgrade the turbines etc to make them produce more power.
10-28-02, 08:06 PM
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Their website www.m2performance.com states that they use garrett ball-bearing turbos and mate them to the original housing.
I remember reading somewhere that RX-7's don't have something other than garrett turbos so I am assuming that they give you new turbos.
garrett
I remember reading somewhere that RX-7's don't have something other than garrett turbos so I am assuming that they give you new turbos.
garrett
10-28-02, 08:18 PM
#3
The Man
The stock turbos are Hitachi HT-12's. So by assumption, I believe Garrett is right, they must replace the entire cartridge with new units and the housings machined to accept them.
10-29-02, 02:54 PM
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You DO send your core to M2 or one of their dealers like RX7 Store and they take your turbo and replace the Hitachi's with Garret 25's. FULL ballbearing tubo units. They port the wastegate and can have them run in parrallel or sequential. The iron cast manifold you have remains the same. BASICALLY, A new twin turbo. Nice unit but just as much as a single turbo setup. Easy to do because it bolts up. Gives a lot more power than stock twins!
10-29-02, 03:03 PM
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Originally posted by capt. bill1
You don't send your turbos to M2. They send you all new high flow ball bearing turbos on a new exhaust manifold.
You don't send your turbos to M2. They send you all new high flow ball bearing turbos on a new exhaust manifold.
New exhaust manifild? I thought they just bored out the stock unit? I think they should make a stainless steel manifold for it.
If they made a new manifold out of inconel, you could get the full 800HP out of those puppies (but it would probably cost another $3k).
Last edited by GoRacer; 10-29-02 at 03:05 PM.
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10-29-02, 05:15 PM
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i sent my cores...but I think you can get them without.
my manifold was cracked to bits....I got my m2 set with a new manifold...new actuators...new everything...the only thing they used was the snails...and the y pipe which had to be modified.
j
my manifold was cracked to bits....I got my m2 set with a new manifold...new actuators...new everything...the only thing they used was the snails...and the y pipe which had to be modified.
j
. I would pay for shipping of course
10-29-02, 07:56 PM
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From reading artguy's other post about them, they not only spool fast but do produce alot more power than the stocks. They can go up to 20 psi from what i've heard as well. I think artguy is gonna have them dyno'ed in a week or so.
10-30-02, 12:54 AM
#23
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soon I hope....Im sorry for taking so long. Im probably looking more at 30 days for the numbers...
being a power greedy bastard Im considering having the next larger wheel size up in them...first its 300 hp..if I only had 300hp...then its 335...oh my god the car would scream at 335...then its 375...holy **** that must be fast...then 400...then...yer broke...but you go for 450 anyway.
I found out that they make a larger wheel size on the gt30s...I saw them on another local car as they were going in. as is to be expected you would lose a little spoolup time but brett from m2 (formerly) claimed that the larger size would hit 450hp which is the peak due to the manifold restriction....since they spool instantly it wouldnt be much of an issue Id think.
just thinking about it....up to 50 additional hp...mmm....yum yum
j
j
being a power greedy bastard Im considering having the next larger wheel size up in them...first its 300 hp..if I only had 300hp...then its 335...oh my god the car would scream at 335...then its 375...holy **** that must be fast...then 400...then...yer broke...but you go for 450 anyway.
I found out that they make a larger wheel size on the gt30s...I saw them on another local car as they were going in. as is to be expected you would lose a little spoolup time but brett from m2 (formerly) claimed that the larger size would hit 450hp which is the peak due to the manifold restriction....since they spool instantly it wouldnt be much of an issue Id think.
just thinking about it....up to 50 additional hp...mmm....yum yum
j
j
10-30-02, 02:02 AM
#25
Ghost Ride the Whip
i don't understand why anyone would pay $2995 for this set of turbos when you can go single for less....This turbo kit has been out for what, 2 years already and how come no one has had ANY dyno charts to justify spending $3000 over a single turbo?
if you Absolutley must keep a sequential twin turbos, why would anyone not consider getting the 99 twins instead?
if you Absolutley must keep a sequential twin turbos, why would anyone not consider getting the 99 twins instead?