[Mg-t] MG TD Push Rods
Bud Krueger
budkrueger at comcast.net
Wed Apr 22 14:23:09 MDT 2009
I found it necessary to install Crane's shorter push rods after my
rebuild. I installed the Crane cam with the larger base circle and had
.100" milled from the head. The thickness of 2.922" with .060" overbore
gives a compression ratio of about 9.1:1. The reason that I had to use
the short push rods was because the cup of the push rod was hanging up
on the underside of the rocker adjusting screw.
Bud Krueger
gunnellj at athenet.net wrote:
> Moss catalog notations can drive you wild when you're rebuilding an XPAG. If you call the tech line, you sometimes get shunted to the order dept. if the tech guys are busy. Anyway, I think I know the answer here, but want to verify before we put the engine together.
>
> The shop resurfaced the head and who knows what was done to it before? My mechanic Vince says it actually has a slight taper to it, but is within normal specs on that and 3" thick on average overall.
>
> Moss catalog says the factory head is 3.022. So is mine "excessively milled" or not? Couldn't get an answer on the phone. The main thing is am I going to be OK with the "long" push rods -- which by the way are the only ones now available. More on this below.
>
> The rocker arm assembly is on its way to Rocker Arm Specialists so I do not know which adjusting screws I have until it's returned. I guess I could use two head gaskets if need be. Undortunately, we already torqued up with one.
>
> Oh, by the way. According to Moss, Crane is out of business and their inventory is up for grabs. I had just talked to a Crane rep at a show in January. Wonder how many T-Series cams they have left?
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