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Beginnings 72 Coupe Resto
#91
aaaawwh no man, come on.
You got to buy some magnetic copper bracelets, shoot all black cats you see, hang some rabbits parts on top of your front door, offer some chicken mac nuggets to the V8 gods while blowing a nice melody from your didgeridoo...

I know you're gonna nail it and fix it, but really, how on earth can one man be so unlucky!?

73 modified Grandé 351C. Almost done. 
71 429CJ. In progress
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#92
Wow. That sucks. Sorry.

73 Grandé H Code. Headman long tube headers, T-5 Transmission, 3.70 Traclok, Lowered 1" all around, Aussie 2v heads w/ 2.19 intake, 1.71 exhaust, screw in studs, full roller cam 608/612 lift 280/281 duration LSA 112, Quick Fuel 750 CFM double pumper, AirGap intake.

- Jason


[Image: 082-hot-rod-power-tour-2017-1970-1970s.jpg]
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#93
Thanks guys
I think I'm starting to get used to things going wrong
That's what happens when you try to do everything yourself and perhaps overlook an important detail
Anyway will have a break from it for a while as funds are low
Will post the forensic analysis later but suspect a spun bearing but hoping crankshaft is okay
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#94
After crying in my beer for several days over my misfortune I finally got up the courage to remove my engine and do an autopsy on the damage
Without completely disassembling the engine my worst fears were realized once I removed the cylinder heads to discover that number four and eight cylinder bores in particular were badly scored with number three and seven slightly scored.
This would make sense with oil starvation as these are the last cylinders to get oil but why the oil starvation is still a mystery
I only removed one bearing cap and the crank journal isn't too bad but the bearing shows some slight wearing
There is very little debris in the sump and the oil pump looks okay
I think I will leave this up to the experts and send it to my machinist for further inspection and regardless of who or what is to blame I want it fixed
The only fortunate thing so far is that I have a spare standard bore block so just need to hope the crankshaft and pistons are able to be saved, regardless this will still be a costly exercise

Number 4 below
   
Number 8 below
   
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#95
Ended up boring the block to .030 so didn't need to sleeve number 4 cylinder

Engine and trans in last weekend and this weekend fitted all the bits and pieces ready for first (or second) start up

Wasn't happy with the torque convertor gap so made some .080 spacers including for the starter to move the trans back a little

I static timed it to about 20 degrees then turned it over but although it wanted to fire it didn't fire up plus there was a tapping noise which was a worry

The noise was two things. one was I had put the torque converter inspection plate the other way around and one of the studs on the Hughes convertor was slightly longer just hitting the plate, the other noise was a top end noise so thinking I had not adjusted the rockers properly I redid the valve clearances but they were pretty good
I remembered when I first fired it up it needed to be advanced more so I gradually advanced it until it started to fire and eventually it ran but still had a lifter noise but this went away after a few minutes

Anyway glad I got it going again, took it for a spin around the block and with the new high stall converter it seems to be even more responsive even with the rear wheels getting a bit loose stabbing the throttle in second gear

Fingers crossed for the next few hundred miles
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#96
Good to hear you got it back on the road.

73 Grandé H Code. Headman long tube headers, T-5 Transmission, 3.70 Traclok, Lowered 1" all around, Aussie 2v heads w/ 2.19 intake, 1.71 exhaust, screw in studs, full roller cam 608/612 lift 280/281 duration LSA 112, Quick Fuel 750 CFM double pumper, AirGap intake.

- Jason


[Image: 082-hot-rod-power-tour-2017-1970-1970s.jpg]
  Reply
#97
Well done, that first ride after the rebuild must have been great.



“If you can't explain it simply, you don't understand it well enough.”
--Albert Einstein
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#98
Woohoooo!
Now isn't it really really time for champagne m8! ?!
I think you deserve it!

73 modified Grandé 351C. Almost done. 
71 429CJ. In progress
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#99
Thanks guys but I won't be cracking the champagne just yet
Was good to get to drive it though and will try to get some more miles on it this time
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Got a bit ahead of myself after a short drive last weekend
Booked a day off work next Wednesday, both engineer and swept volume test booked once again

Then decided I would get a permit and give it a decent test drive yesterday to make sure all is okay
Once down the road I realized it was only getting 2 gears but with the new high stall converter and big torque engine wasn't easy to tell if in 2nd or 3rd so manually shifted to 2nd and nothing - no drive WTF!

As I was on my way to my trans builder who put it together this time I let him drive it and he concluded it is probably a sticky 1-2 valve in the valve body
They are going to put together another valve body/shift kit but unable to do the job for a week or so
Now I'm going to have to postpone once again getting this thing on the road but luckily not too serious of a problem
Kind of getting used to disappointment by now, doesn't make it any easier but

Decided to do some odd jobs on the vehicle and one thing that has annoyed me was the sill plate screws not holding despite putting larger screws in
Seeing as I purchased a rivet nut kit a while ago I bought some countersunk screws and inserted rivet nuts
Worked well and no more loose screws

   
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