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Forum: General Q & A

03-11-2018, 01:24 PM

Replies: 21

Refreshing my ZZ502 short block.

Views: 5,774

Posted By Baja Rooster

I got the crank back and it polished out nicely...

I got the crank back and it polished out nicely with no issues. He gave it a heavy polish to help get a little more clearance in there and made sure that it was perfectly straight....

Forum: General Q & A

02-21-2018, 03:59 PM

Replies: 21

Refreshing my ZZ502 short block.

Views: 5,774

Posted By Baja Rooster

A quick platiguage check on #2 main and #1 rod...

A quick platiguage check on #2 main and #1 rod show a snug .002. Should be aiming for about .0025 rod and mains and about .003 on the #5 main, yes? Taking the crank in for a polish/check soon.

Forum: General Q & A

02-18-2018, 01:10 PM

Replies: 21

Refreshing my ZZ502 short block.

Views: 5,774

Posted By Baja Rooster

Earl Johnson said those bearings were too tight...

Earl Johnson said those bearings were too tight from the factory, so hopefully a good polishing will be enough to clean it up and will also help set the clearances. I finally found the very specific...

Forum: General Q & A

02-16-2018, 10:13 AM

Replies: 21

Refreshing my ZZ502 short block.

Views: 5,774

Posted By Baja Rooster

And the bearings are toast. I pulled the #2 main...

And the bearings are toast. I pulled the #2 main cap off and it has a groove in it. It did have good oil pressure though with 75# at cold idle. It would drop under 20# at idle after a long run and...

Forum: General Q & A

02-15-2018, 10:30 PM

Replies: 21

Refreshing my ZZ502 short block.

Views: 5,774

Posted By Baja Rooster

I’ve looked all over it for another number but...

I’ve looked all over it for another number but can’t find one. Would you consider this scuffed?

Forum: General Q & A

02-15-2018, 12:20 PM

Replies: 21

Refreshing my ZZ502 short block.

Views: 5,774

Posted By Baja Rooster

Thanks, Snap. I measured the pistons at...

Thanks, Snap.

I measured the pistons at 4.462 1/2” above the bottom and the bore at 4.465, but I was using the T bars to measure the bore and had a heavy thumb on the calipers, so it could easily...

Forum: General Q & A

02-14-2018, 11:30 AM

Replies: 21

Refreshing my ZZ502 short block.

Views: 5,774

Posted By Baja Rooster

True. I emailed Total Seal and they...

True.

I emailed Total Seal and they recommended #T9190 225 cast iron rings with the second ring being gapless. I measured things out and have .003 clearance, fwiw. N/A
...

Forum: General Q & A

02-12-2018, 08:16 PM

Replies: 21

Refreshing my ZZ502 short block.

Views: 5,774

Posted By Baja Rooster

I finally got home to double check things, and it...

I finally got home to double check things, and it already has JE700 pistons. :)

Edit in
It May also be worth mentioning that one reason I yanked the motor was to change out the 110lsa cam for a...

Forum: General Q & A

02-12-2018, 07:20 PM

Replies: 21

Refreshing my ZZ502 short block.

Views: 5,774

Posted By Baja Rooster

Good to know. Most of the info I’ve found is on...

Good to know. Most of the info I’ve found is on the Chevelle sites, and it seems unanimous that these are not honed with a torque plate, and honing with a torque plate to make them perfect hogs them...

Forum: General Q & A

02-12-2018, 06:59 PM

Replies: 21

Refreshing my ZZ502 short block.

Views: 5,774

Posted By Baja Rooster

Its more of a matter between $400 or $4000. I...

Its more of a matter between $400 or $4000. I don’t mind yanking it for a full rebuild a few seasons down the road but it’s not in the cards this year. I live in the SF Bay Area where a machine shop...

Forum: General Q & A

02-12-2018, 01:26 PM

Replies: 21

Refreshing my ZZ502 short block.

Views: 5,774

Posted By Baja Rooster

Refreshing my ZZ502 short block.

I yanked my motor mostly to retrieve the sockets at the bottom of the bilge and decided to give it a check up. I did a leakdown test, and granted it was cold, but was losing over 50% on three holes....

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