JM Race SMIM & 50-trim: a good match?

soldave · 09-30-2008, 08:48 PM

Am considering getting one of these and just wondered what your thoughts would be on pairing it with a Bullseye T04B 50-trim. I've got an Evo 1 with pretty much stock internals (minus headgasket & headstuds) and with the FP1x cams I've recently recorded 412whp. Getting full boost at around 4000rpm although through tuning will try to bring that down.

On the JM website it says that the Race SMIM is for the 20G turbo and up. I know I'd be at the bottom of the recommended turbo scale, but would it still be a decent match?

Thanks in advance

blcknspo0ln · 09-30-2008, 08:59 PM

I would not hestitate to run a race jmf with a 50 trim.

soldave · 09-30-2008, 09:02 PM

Sweet. Now I just need to find out if the 1G throttle body flange that it has will fit my Evo 1 throttle body. Could really do without spending even more money I don't have on a throttle body!

soldave · 09-30-2008, 09:58 PM

Spoke to my tuner over lunch and he was saying the main problem could be the physical size of the Race intake manifold. The Street one in his setup just fit in, but was coming very close to the slave cylinder and he had to do a few mods to things to get it to fit. I have sent JM an email asking for dimensions of the street and race manifolds, especially regarding throttle body position, to determine whether this thing is going to fit. It it's gonna be a huge probem then I might not bother for now.

jshuman · 10-01-2008, 12:30 PM

I am running the jmfab race smim with a pte ddb 50trim. I have yet to really turn up the boost, but even at 16 psi, I see significant top end power increases over the stock intake.
As far as fintment, I did have to move the brake resivoir a little. I also had to have the flange rotated and rewelded on the tb elbow because the smim sits lower than the stock intake. I dont knnow if that applies to you though.