Long time no post! I see where British Parts Northwest ( http://www.bpnorthwest.com ) has this new 25D4 distributor for $145. It's a drop in replacement for TR 3-4a and includes everything except fo
When they did mine, they very definitely replaced the shaft with new. Also new adjusters and new lock nuts. Rocker tips were refaced, rockers were cleaned and had what appeared to be light copper pl
Often, but not always, what hapens to cause extra noise is that the contact patch between the valve stem and the rocker arm wears and the area outside the contact patch does not wear. I've seen older
My rocker arms definately have the grooves worn in them - was using a wire to set clearances until I bought the clickadjust. Even when adjusted correctly (best that I can tell and checked with a feel
Jeff, I have been wondering the same thing about those new dizzies. You saw my previous questions about ignition advance curves... Not all 25D4 units are the same. Not at all! And, it almost appears
Bob Sarama rebuilt my dist. and recurved it and checked out the advance as well with a neet Advance curve chart/printout or all advance settings--at about half the BPNW price. You can contact him at