M2 Large IC...
11-19-02, 12:56 PM
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M2 Large IC...
I have searched believe it or not, I know there is info out there...I need to know if a small batter will work with my rx7fashion cold air intake (similar to M2) and if I can put keep a small battery in the stock location. Also is the Greddy elbow really required.
Thanks
Thanks
11-19-02, 01:17 PM
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Originally posted by maxpesce
Max Cooper runs a Small (Grp51r) battery w/ his M2 medium and has lots of room.
Max Cooper runs a Small (Grp51r) battery w/ his M2 medium and has lots of room.
but I know the M2 medium is ok, i'm looking at the M2Large.
11-19-02, 01:21 PM
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I have seen the M2 Large SMIC with a small battery used (I believe it was a Miata battery) and the M2 CAI box. It's a VERY tight fit, but it does work. And, yes, the Greddy elbow is required ... unless you can fab up a custom intake elbow of your own.
On the other hand, I haven't seen a convincing argument for going with the M2 Large over the M2 Medium yet. The pluses (bigger core, possibly cooler charge temp) don't outweigh the minuses (battery relocation/replacement, larger pressure drop), IMO.
On the other hand, I haven't seen a convincing argument for going with the M2 Large over the M2 Medium yet. The pluses (bigger core, possibly cooler charge temp) don't outweigh the minuses (battery relocation/replacement, larger pressure drop), IMO.
11-19-02, 01:34 PM
#7
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Originally posted by redrotorR1
I have seen the M2 Large SMIC with a small battery used (I believe it was a Miata battery) and the M2 CAI box. It's a VERY tight fit, but it does work. And, yes, the Greddy elbow is required ... unless you can fab up a custom intake elbow of your own.
On the other hand, I haven't seen a convincing argument for going with the M2 Large over the M2 Medium yet. The pluses (bigger core, possibly cooler charge temp) don't outweigh the minuses (battery relocation/replacement, larger pressure drop), IMO.
I have seen the M2 Large SMIC with a small battery used (I believe it was a Miata battery) and the M2 CAI box. It's a VERY tight fit, but it does work. And, yes, the Greddy elbow is required ... unless you can fab up a custom intake elbow of your own.
On the other hand, I haven't seen a convincing argument for going with the M2 Large over the M2 Medium yet. The pluses (bigger core, possibly cooler charge temp) don't outweigh the minuses (battery relocation/replacement, larger pressure drop), IMO.
Last edited by maxpesce; 11-19-02 at 01:43 PM.
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11-19-02, 01:37 PM
#8
Rotary Freak
M2 Large will fit with a mini battery
I have the M2 Large Smic and a Hawker Odessey 680 mini battery. I ended up making my own CAI with two K&N's - didn't want to pay 400 for an airbox...
Here's a pic
https://www.rx7club.com/forum/attach...postid=1068357
Here's a pic
https://www.rx7club.com/forum/attach...postid=1068357
11-19-02, 01:51 PM
#11
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Originally posted by ZeroBanger
anyone know how much boost the M2 large or M2 medium can handle?
anyone know how much boost the M2 large or M2 medium can handle?
11-19-02, 04:05 PM
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Originally posted by maxpesce
B/K of the longer core tubes the large is actuall MORE RESTRICTIVE than the med. Hence the greater pressure loss through the Large. weather or not that is outweighed by the slightly reduced charge temps w/ the Large is open to debate. The MED is plenty big for all but the LARGEST SINGLE, again check MaxCoopers car. Also IMO you can barely get enough Air through the fascia to maximize the cooling of the MED much less the Large.
B/K of the longer core tubes the large is actuall MORE RESTRICTIVE than the med. Hence the greater pressure loss through the Large. weather or not that is outweighed by the slightly reduced charge temps w/ the Large is open to debate. The MED is plenty big for all but the LARGEST SINGLE, again check MaxCoopers car. Also IMO you can barely get enough Air through the fascia to maximize the cooling of the MED much less the Large.
I talked to Corky Bell a while back and he spent a couple hours with me on the phone running numbers and bs'ing. He came to the conclusion the large was the better IC (size) and could handle 450 hp. It also had ~89 % efficiency rating which is fantastic (Race car fab stuff number). We also ran the front mount and it wasn't pretty. (Big pressure drop for one).
Date: Tue, 01 Feb 2000 22:27:19 -0500
From: Spathak
FWIW, I just A/B tested the M2 Medium and new M2 Large ICs. The new Large IC has the same dimensions as the old Large IC. However, the core design is different. Whereas the old core had fewer air channels and wider external turbulator rows, the new core is identical to that of the M2 Medium IC... just longer. Here are the results...
Testing Conditions:
Ambient 63-65F
Boost level: 12psi @ sea level
Output level: ~300rwhp
- --Medium IC--
Intake T at 50mph cruise: 67F
Peak intake T in 3rd gear WOT run: 98F
Peak intake T in WOT 0-80mph run: 105F
Maximum pressure loss: 1.1psi
- --Large IC--
Intake T at 50mph cruise: 70F
Peak intake T in 3rd gear WOT run: 92F
Peak intake T in WOT 0-80mph run: 99F
Maximum pressure loss: 1.1psi
The med and the large are the best smic's you can buy. The Large is what you want if you plan on going single.
Zerobanger,
Check out this site and read ALL of it. The test was done by your buddy Shiv Pathak I believe..ask him.
http://www.scuderiaciriani.com/rx7/intercoolers.html
Chris
Last edited by Mr rx-7 tt; 11-19-02 at 04:20 PM.
11-19-02, 04:21 PM
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just some info
rotary reliability and racing has large intercoolers for those of you who are tired of waiting for the other companies to get them in.
their unit is comparable to the m2 large but has better ducting in terms of fitment...it is also less expensive...though the quality is still there.
7148398018 ask for louis
j
rotary reliability and racing has large intercoolers for those of you who are tired of waiting for the other companies to get them in.
their unit is comparable to the m2 large but has better ducting in terms of fitment...it is also less expensive...though the quality is still there.
7148398018 ask for louis
j
11-19-02, 04:34 PM
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Originally posted by artguy
just some info
rotary reliability and racing has large intercoolers for those of you who are tired of waiting for the other companies to get them in.
their unit is comparable to the m2 large but has better ducting in terms of fitment...it is also less expensive...though the quality is still there.
7148398018 ask for louis
j
just some info
rotary reliability and racing has large intercoolers for those of you who are tired of waiting for the other companies to get them in.
their unit is comparable to the m2 large but has better ducting in terms of fitment...it is also less expensive...though the quality is still there.
7148398018 ask for louis
j
Mr rx-7 tt:
thank you for your post...Right now I'm leaning toward the M2 large, thanks to you!
11-19-02, 04:49 PM
#16
NYC's Loudest FD
Originally posted by ZeroBanger
does he have a web site? i'll atleast check it out...
Mr rx-7 tt:
thank you for your post...Right now I'm leaning toward the M2 large, thanks to you!
does he have a web site? i'll atleast check it out...
Mr rx-7 tt:
thank you for your post...Right now I'm leaning toward the M2 large, thanks to you!
11-19-02, 04:54 PM
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Originally posted by RX794
Good luck getting one, I ordered one and it's been on "backorder"(Reality is M2 doesn't have the $ to make them) for like 4 months now and still.....NOTHING!!!
Good luck getting one, I ordered one and it's been on "backorder"(Reality is M2 doesn't have the $ to make them) for like 4 months now and still.....NOTHING!!!
11-19-02, 08:33 PM
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they do have a website but it doesnt have a lot on there... www.rotaryracing.com the motors on their site look pretty rad though.
sleepr1 my couplers dont come off...and I run 15-16lbs of boost thru my m2 twins.
get some new couplers.
j
sleepr1 my couplers dont come off...and I run 15-16lbs of boost thru my m2 twins.
get some new couplers.
j
11-19-02, 09:27 PM
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Originally posted by redrotorR1
....
On the other hand, I haven't seen a convincing argument for going with the M2 Large over the M2 Medium yet. The pluses (bigger core, possibly cooler charge temp) don't outweigh the minuses (battery relocation/replacement, larger pressure drop), IMO.
....
On the other hand, I haven't seen a convincing argument for going with the M2 Large over the M2 Medium yet. The pluses (bigger core, possibly cooler charge temp) don't outweigh the minuses (battery relocation/replacement, larger pressure drop), IMO.
I can't speak for cooler charge temp since I didn't have a med IC to compare but I'm sure the larger is better.
As far as large pressure drop, I have no noticeable transition most of the time. I don't consider the battery relocation and big minus. it fit great in the compartment behind the seat and there is no corrosion.
There is also something out there I forget where that has statistics. The larger M2 IC, or in my case the 'rip off' Pettit coolcharge 3, is noticeably better than the med.
11-19-02, 09:34 PM
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Originally posted by maxpesce
Also IMO you can barely get enough Air through the fascia to maximize the cooling of the MED much less the Large.
Also IMO you can barely get enough Air through the fascia to maximize the cooling of the MED much less the Large.
Mine is not finished but I am thinking that the Scoot hood with a modification (blocking the air going to the back into an IC/Intake duct) will make my Large SMIC pretty close to a FMIC without the loss of A/C and poor radiatior temps. Plenty more air which I think would make the Large M2 shine better than the med.
Should be done in a few days (lot's of painting and body work going on at the moment) but come next week, I hope to have some nice before and after statistics.
11-19-02, 10:32 PM
#23
Originally posted by SleepR1
Hope you don't mind the couplers popping off during sustained high boost levels during a track day with your M2 Large
Hope you don't mind the couplers popping off during sustained high boost levels during a track day with your M2 Large
11-19-02, 10:49 PM
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Re: M2 Large will fit with a mini battery
Originally posted by jpandes
I have the M2 Large Smic and a Hawker Odessey 680 mini battery. I ended up making my own CAI with two K&N's - didn't want to pay 400 for an airbox...
Here's a pic
https://www.rx7club.com/forum/attach...postid=1068357
I have the M2 Large Smic and a Hawker Odessey 680 mini battery. I ended up making my own CAI with two K&N's - didn't want to pay 400 for an airbox...
Here's a pic
https://www.rx7club.com/forum/attach...postid=1068357
wow he has the dual intake manifold mod. j/k
11-20-02, 01:22 AM
#25
NYC's Loudest FD
Originally posted by boostedrotor
it took me like a month to get mine.....but it was worth it........
it took me like a month to get mine.....but it was worth it........
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