Cold rod knock. EDIT:Now my motor work thread. Back up and running!

[y5mgisi]

Well I got my plastigage, timing chain, oil pump, gaskets, seals, oil and filter. Got the pickup tube off the old pump and on to the new one. Tomorrow I will get all the plastigaging done and probably bolt on the oil pump. Then I should have her wrapped up in a week or two...

 

[bigbadchev84]

Do yourself a favor and get the felpro one piece re-useable oilpan gasket-$35ish bucks but will worth it.

 

[y5mgisi]

Yea im pretty much thinking im going to return the cheapy cork one i got and get the bad ass one.

 

[Stomis]

After watching that video I get the feeling you're one of those guys that stares at his snot for a little bit too long after he blows his nose lol

 

[Fordum]

After watching that video I get the feeling you're one of those guys that stares at his snot for a little bit too long after he blows his nose lol

I have been known to do that, but only until it stops moving...........Usually only takes a minute or so....

 

[sweetk30]

the factory style silent chain you have in the video is crap. thay stretch out in 500-1000 miles of new.

hope you got a nice roller chain thats pre streched.

and felpro 1 peice pan geasket is the ticket.

 

[y5mgisi]

I just went with a stock style chain but with a steal crank and cam gear. Im sure it will last as long as i need it to. I still need to return my oil pan gasket for the cool one.

 

[sweetk30]

o.k. all that work and crap chain.

 

[y5mgisi]

ah it only needs to last 20k tops. It will do that im sure.

 

[KansasTwister]

cloyes street true roller is only like 30 bucks or so at orileys, Im sure that the stock replacement is within 5 or 10 bucks of that. Thats the cheapest chain I will run, granted I dont like taking my motors back apart.

 

[y5mgisi]

Yea this one was 12.99. The original lasted 110k miles. Im sure this one will do the trick until i either sell it, or drop a 5.3 in it.

 

[y5mgisi]

Couple pics for now,

Being creative for pulling the crank sprocket. Worked perfect.

One of the bearings. They all looked pretty good and ALL plastigaged out at .0015.

Measuring the height of the pickup tube for re installation into the new pump.

And the old chain.

 

[crawlink5]

I've seen chains a lot worse than that. It would surprise me if that's the problem

 

[y5mgisi]

Yea for sure. I havnt been able to touch the thing the last few days. Progress report should happen soon tho.

 

[diesel4me]

I've had running small blocks that had such slop in the timing chain,that I was able to remove the chain without unbolting the cam gear!...and a few were not making any noises either,one had rubbed a hole thru the timing cover and cause an oil leak though!....most of the OEM cam gears with the nylon crap on the teeth were "bald" ,all the nylon ended up in the oil pump screen,and the aluminum teeth under them were so worn I felt it was a miracle they still ran,and hadn't jumped time!..

A quick way to get a crank gear off,if you dont ned to re-use it--I use a sharp chisel ,put it right over the keyway slot in the crank gear and one or two good whacks will split it there,they crack pretty easy being grainy cast steel..learned that method from an old timer at a machine shop who felt using a puller of a gear your going to toss anyway was a waste of time...I've done many that way without a hitch since...

 

[KansasTwister]

Good, thing you noticed and replaced it. Dad bought his old 73 with 30k miles, and everyone knows the mechanics truck doesnt get fixed. He was going to a jobsite up in leavenworth conveniently a block away from my brothers house, and the truck just let go and layed down. Got his worth out of the factory nylon chain, it was either 230k or 270k miles!

 

[folkenheath]

One of the bearings. They all looked pretty good and ALL plastigaged out at .0015.

You probably already know this, but just to make sure, be absolutely positive you bolt that rod cap on the same exact orientation on the same exact rod you removed it from, torqued to spec.

 

[diesel4me]

I've been lucky with timing chains,the few I had jump on me happened either in my driveway or at work when I went to start up the engine from a cold start!...was not so lucky with the fiber cam gears on a 235 straight six in my '56 Chevy truck and one in a 250 six I had though--they decided to shed their teeth going 60+ mph on the highway,50 miles from home,almost in the same spot too!..

.now I cringe and my butt cheecks pucker up every time I drive that stretch of road,I think its cursed!...had a tractor trailer lose a rear trailer tire and drum not far from there and hit my '69 GTO too,and dam near got me killed!..I hate that road!..

 

[y5mgisi]

I did them one at a time. Removed the cap, plastgaged it, cleaned off the plastigage, then torque the cap back on. Lather, rinse, repeat.

 

[folkenheath]

I did them one at a time. Removed the cap, plastgaged it, cleaned off the plastigage, then torque the cap back on. Lather, rinse, repeat.

That works perfect. Were you sure to put it back on the same orientation? (If you notice the bearing is offset toward one side to clear the radii on the crank journal, not to mention tolerances of the bolts locating the cap on center)

If I am preaching to choir then nevermind, sorry about that.