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View Full Version : MMS200 ECU Retrofit for a chip?



R490
11-21-2014, 05:48 PM
According to 034, this Chip fits the MMS-200 ECU, but cannot fit the MMS300 and up ECUs.

Which ECU is in the '97 12v, and how hard would be this 'retrofit' they are describing? And around how much would it be total? Anybody know? [wrench]

http://store.034motorsport.com/products/034efi-engine-management/034efi-chip-tuning/aah-akh-12v-v6-stage-10.html

http://store.034motorsport.com/products/034efi-engine-management/034efi-chip-tuning/aah-akh-12v-v6-stage-1.html

Mad Cow
11-21-2014, 06:17 PM
Why not email/call 034 and ask? Does your state do emissions testing? Because the older ECU will probably be odb1 so you won't be able to pass a readiness test.

R490
11-21-2014, 06:18 PM
Why not email/call 034 and ask? Does your state do emissions testing? Because the older ECU will probably be odb1 so you won't be able to pass a readiness test.

Isn't there a rep on here?

Bordom
11-21-2014, 09:30 PM
According to 034, this Chip fits the MMS-200 ECU, but cannot fit the MMS300 and up ECUs.

Which ECU is in the '97 12v, and how hard would be this 'retrofit' they are describing? And around how much would it be total? Anybody know? [wrench]

http://store.034motorsport.com/products/034efi-engine-management/034efi-chip-tuning/aah-akh-12v-v6-stage-10.html

http://store.034motorsport.com/products/034efi-engine-management/034efi-chip-tuning/aah-akh-12v-v6-stage-1.html

If you noticed on 034's site, the chips you posted are for AAH 12v V6s. The earlier 12v 2.8 (AAH) had a single spring valvetrain with more aggressive cams. Later 12v 2.8 (AFC) had a lightened dual spring valvetrain, milder cams and an updated oiling system for the block.

I've never seen how guys have run this chip in the B5, but you'd need the AAH heads or cams for this to work properly. The ideal engine combination would be AAH heads/cams with AFC engine block. I believe the AAH engine block had 10.3:1 compression whilst the AFC block runs 10:1.

Being a 12v guy, I wouldn't waste my time on either of those chips. Instead, invest in an intake!

I have a K&N cone filter with a heat shield bolted to the sub-frame. It opens up the intake and gives it a supercharger whine from +2000 RPM. I love it [drive]

R490
11-22-2014, 05:28 AM
If you noticed on 034's site, the chips you posted are for AAH 12v V6s. The earlier 12v 2.8 (AAH) had a single spring valvetrain with more aggressive cams. Later 12v 2.8 (AFC) had a lightened dual spring valvetrain, milder cams and an updated oiling system for the block.

I've never seen how guys have run this chip in the B5, but you'd need the AAH heads or cams for this to work properly. The ideal engine combination would be AAH heads/cams with AFC engine block. I believe the AAH engine block had 10.3:1 compression whilst the AFC block runs 10:1.

Being a 12v guy, I wouldn't waste my time on either of those chips. Instead, invest in an intake!

I have a K&N cone filter with a heat shield bolted to the sub-frame. It opens up the intake and gives it a supercharger whine from +2000 RPM. I love it [drive]

Ah, Gotcha.
Got any pictures of that set up? I've been thinking about a K&N Cold air intake for a while. [:)]

Bordom
11-22-2014, 11:15 AM
Ah, Gotcha.
Got any pictures of that set up? I've been thinking about a K&N Cold air intake for a while. [:)]
Unfortunately I'm away from my car for for a while. If you remind me via PM, I'll get a couple pictures and a video to you next week

R490
11-22-2014, 06:37 PM
Unfortunately I'm away from my car for for a while. If you remind me via PM, I'll get a couple pictures and a video to you next week

Will do, Thanks [:)]