Under shim bucket kit qustion

[Jimmi The Kid]

Hi guys


I'm building my AE86 for grip race and will try to get almost the same engine spec as the N2 car.
I allready got some really nice parts, like TRD Atlantic con rods, a highly modified smallport head (yes I know N2 uses bigport head, but this one was cheap), TODA 4-2-1 header, ITB's and so on.

But I wonder about the valve train and springs, as I will run with a highlift cam, 10-11mm and mayby up to 9500rpm.

TODA have a full under bucket shim kit including springs, but it is very very expensive, and I cant find some adjustment shims for it. That is ofcouse really nesesary.

They also have some normally upratet springs, but are these the same springs as in the under bucket shim kit?

If they are the same springs, mayby I could use them together with the 2NZ buckets, as I can get them on my work.

Have anybody tryed this setup with results??????????