In reply to a message from Ronbros sent Sun 17 Mar 2013:
RonBros,
I’m taking my time re-building a stock 5.3 back to factory
spec. The budget is open for anything, all within reason. I
just want a safe reliable 5.3
I dismantled two v-12’s into over a hundred numbered plastic
bags, now putting it back together
Not looking to build a muscle car, 300HP is fine
Timeserts sounds like a great idea after I’ve damaged the
existing threads, so that idea can wait
Regarding ARP studs, ARP does not make studs for the XJ-S, I
emailed them the specs on the studs, they have nothing.
On a sidebar, ‘‘Made in the USA’’ stainless 316 bolts vs.
‘‘Preferred Vendor’’ 316 bolts are 5x more expensive ARP bolts
are actually cheaper than ‘‘Made in the USA’’, and are made in
the USA. So, all motor bolts are slowly being replaced with
ARP 12 Points. Not cheap, but all made in North America, and
I like the look.
I’m about to replace all my head studs with new, why,
because I then have a known standard, all will have good
threads, and be straight, nothing stretched.
My amazement of building the motor is just how ‘out of spec’
everything is, on both motors. My good motor oil pump was
way over the max clearance of 0.005, the housing all scored,
used the second motors pump, that was on spec. Maybe this is
why some people have low oil pressure…
Dizzies, have 3, all three have issues, again , the good one
has a tremendous amount of play on rotation and has a gritty
movement, the other the dizzy lower gear is pooched, on the
other the vac advance was corroded and just cracked.
Balancing the rotational mass this week. As you know the
1700(ish) gram mass has to be within 1 gram. My data with
cleaned everything gives a spread of 18 gram from the
heaviest to the lightest mass grouping. WTF.
The list goes on, just having fun with retirement…–
The original message included these comments:
castings), and problem places OK, but for V12 jag head
studs, on a close to stock engine, I think it would be over
kill and waste of money, if anything a set of good ARP or
like, installed properly, would more than surfice.
–
1987 XJ-S, 1988 XJ-S Tremec TK500. AJ6 Torque kit
Toronto, Canada
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