New Approved 305 Stock/Superstock Block..

[MR DERBY CITY]

Mr. FED , I am not sure if you are aware of this but, there are not many ...if any, good 305 production blocks in existence.GM does not manufacture any more Bow Tie small bore blocks so....that is not an option. A racer could sleeve a 307 small block Chevy ,but sleeves are not always the best way to go and sometimes come with their own problems. As stated earlier,Greg P......GOOD JOB.....from ALL the 305 guys.......M.J.

[Alan Roehrich]

Yep, you can easily run well over $1,000 putting 8 flanged sleeves in a block, before you do anything else. And I won't waste time with anything but flanged sleeves in a race engine, they solve the vast majority of sleeve problems, once installed correctly, they'll outlive the block and be trouble free.

So, go buy a block, $100, plus your time hunting it down, assuming you only have to buy one to get a good one. Hot tank and inspection, another $100. Align hone, $150. Index the lifter bores, plus bushings, $450. Square the deck, and set deck height to spec $300. Install 8 flanged sleeves (sleeves $100+ each) and bore true, $450. That aftermarket block is starting to look real nice for anything under $2200.

[GregP]

Originally Posted by Alan Roehrich

Yep, you can easily run well over $1,000 putting 8 flanged sleeves in a block, before you do anything else. And I won't waste time with anything but flanged sleeves in a race engine, they solve the vast majority of sleeve problems, once installed correctly, they'll outlive the block and be trouble free.

So, go buy a block, $100, plus your time hunting it down, assuming you only have to buy one to get a good one. Hot tank and inspection, another $100. Align hone, $150. Index the lifter bores, plus bushings, $450. Square the deck, and set deck height to spec $300. Install 8 flanged sleeves (sleeves $100+ each) and bore true, $450. That aftermarket block is starting to look real nice for anything under $2200.

Alan, thanks for explaining it Like that as well,lol. People look at the initial cost and think that's high, but after all the machine work and hoping you got a good one to begin with,well let's just say it's a heck of a lot easier to order it ,bore to the needed cylinder size , then hone to finish and be done,lol

[rod butcher]

Originally Posted by MR DERBY CITY

Mr. FED , I am not sure if you are aware of this but, there are not many ...if any, good 305 production blocks in existence.GM does not manufacture any more Bow Tie small bore blocks so....that is not an option. A racer could sleeve a 307 small block Chevy ,but sleeves are not always the best way to go and sometimes come with their own problems. As stated earlier,Greg P......GOOD JOB.....from ALL the 305 guys.......M.J.

MJ is correct. The other option is to fill a 305 block, but that wouldn't be my first choice. I am not a big fan of a sleeved block, either. If I were building a new piece my first choice is a small bore bow-tie and my second choice would be the dart 305. My reasoning is the bow-tie has a thicker cyl. wall than the dart block.

[Jody Lang]

FYI

Just know that the Dart block is approx 50+ lbs heavier than a stock block.

[rod butcher]

Originally Posted by Jody Lang

FYI

Just know that the Dart block is approx 50+ lbs heavier than a stock block.

The bow-tie block is 25lbs heavier than a filled stock block.

[Signman]

The extra weight would be a negative if not willing to take advantage of more stable cylinder walls for better ring seal and overall stronger block that probably doesn't move much at all at this power level.

[Greg Barsamian]

What's the Part number for the Small-bore Bow Tie Block?

[GregP]

Originally Posted by Greg Barsamian

What's the Part number for the Small-bore Bow Tie Block?

Correct me if i am wrong anybody, but best to my knowledge the bow tie small bore thats was actually accepted for Stock elem is no longer made.

[rod butcher]

Originally Posted by Greg Barsamian

What's the Part number for the Small-bore Bow Tie Block?

Greg,
10051182 is the part #.

rod