I separated the head and short block and brought them to the engine shop. I
finally got a look at things today.
I had everything hot tanked. They have magnafluxed the block, crank and
rods. Heads (mine + a spare) have been disassembled, hot tanked and bead
blasted. They will be magnafluxed soon.
Pistons seem to have some light scoring/wear on the skirts sides. My thought
is to replace them. Why are forged pistons for the TR6 $150-$200 a piece?
This seems outrageous. County brand seems like a low priced cast
alternative, but worry about going with the low bidder here. What are my
options for cast?
Block is stock bore. They put a light hone on it and are recommending 1st
oversize (0.020"?). Crank journals are stock. They will polish it and them
make a judgement if we need to go futher.
Cam is the 10-50-50-10 cam. Lobes look okay but the fuel pump eccentric is
worn. I am going to replace the cam.
Things are much cleaner.
Next seems to be the rods. I guess I need new bolts and small end bushes so
they can start.
John Cyg
----- Original Message -----
From: "Robert Lang" <lang@isis.mit.edu>
To: "John Cyganowski" <janah@att.net>
Cc: <6pack@autox.team.net>
Sent: Monday, August 25, 2008 10:54 AM
Subject: Re: [6pack] Pistons
<snip>
> But before you go the ne wpiston route, make sure that you really need
> them. I have over 135k miles on my original TR6 pistons! I've done a light
> hone and replaced the rings TWICE so far. I do need pistons on the next
> rebuild...
<snip>
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