Jdm tacho

[sr20detconv]

Hi!
I have a jdm 1989 silvia with a sr20 transplant(was ca18 before).I kept the original cluster but I don't have rpm reading. Is it because I need a sr20 cluster....All the wiring is ok also....Also my friend swapped my old ca18 in is 1993 240sx and his cluster works. So logicaly Ca cluster=ka-de cluster=sr20 cluster.......

What could it also be?

[dopplganger1]

you just need a tach from a dohc 240.

[sr20detconv]

I guess so but....My cluster worked with the ca18(duh) ...and my friend cluster with a my ca18(his car was ka24de before) works also. So CA18=KADE and KADE=SR20 so logically CA18 cluster should work with a SR20 engine??

[Propaganda]

Maybe you didn't wire something correctly when going to SR20DET? Double check..?

Try borrowing your friend's cluster and see if it works in your car..

[astrophixvox]

You can get the sr rpm to read on a single cam tach. You need a dual cam. Don't know about the ca but that's how it works for the sr. You can also get a msd tach signal pick up part # 8918 and run an aftermarket tach. Thats what im using now. Very easy to use.

[96Turbo]

yea, the CA cluster should work with the SR since they're both DOHC...

probably bad wiring if you know your tach is good.