KF with K8 ECU

Winetou · Post by **Winetou** » November 7th, 2006, 5:21 pm

I have KF engine with K8 ECU . Does anyone ever made some acceleration test in this configration and compare them to KF with regular ECU? I found on ebay KF ECU, but i'm not sure that i will feel any difference...

max kl · Post by **max kl** » November 7th, 2006, 8:46 pm

there are several kf intake mantafolds. i have seen a kf with a de, ze, & k8 type intake. if you have the curved neck k8 style kf intake than the k8 ecu will work best. if you have one of the strait neck intakes than well you gota long road to find the corrects virs points.

the timing curve & virs points are the only diffrences. a kf should have 10-1 compresson ratio thata alot higher than a k8 . so you may experince detination or crappy peformance with non kf ecu.

also most kf s do not have an egr valve so a kf ecu wont go into limp mode without a egr like a k8 will.

hgallegos915 · Post by **hgallegos915** » November 7th, 2006, 9:26 pm

i tested kf ecu on the k8 abd it ran crappy.. wouldnt recommend it. KF has flat pistons k8 has cup. Compression i think is a bit different, injectors on the kf and kl injectors. k8 has k8 inj.

Aston Wards · Post by **Aston Wards** » November 7th, 2006, 9:38 pm

how long have you been running with the K8 ecu? (mine lasted about a week before the plugs were fouled)

mxmaz · Post by **mxmaz** » November 7th, 2006, 11:00 pm

What kf do you have? There are 140hp, 160hp, and 170hp versions.

hgallegos915 · Post by **hgallegos915** » November 7th, 2006, 11:52 pm

I missunderstood.. you need the kf ecu.. with k8 it runs rich. Why did u bother with the kf? any kf ecu will work.

Winetou · Post by **Winetou** » November 8th, 2006, 2:13 am

I have 144hp KF. I bought this car in this configuration (KF engine with K8 ECU) and everything seems to be OK, but last time on mazda party MX6 with FS 115HP have been faster than me so i started to think - i'm such a terrible driver or just there is something wrong with my car...