OEM tach with V8???

[davepl]

Since you really can't read them fine enough to do a proper tuneup, I ordered a low-rpm tach from Amazon. It looks like the old Sunpro units but its super cheap - and made like it. It has scales for 6 cyl and 8 cyl (and 4 too I think) so you'd be able to just compare what it says and see which scale it matches.

If its a 6 cyl you could probably trade it for two 8s, or sell it. Who would have ordered a tach with an inline 6? Truck guys I suppose, surely not a perf concern. But for guys with 6 bangers I imagine the factory tachs are hard to find. And probably not reproduced so far as I remember.

Under $30:
Amazon.com: Actron CP7605...