Anyone know the maximum amount a 305 can be bored to?

 

+.060 with a little luck if you need more than that cheap and easy as blocks are to find it'd be easy to start with a "new" used block.

 

Why bore it at all? If it needs bore work, just get a block with a 4" bore.

 

Why stop there! Just get a ZZ502, no susbstitute for cubes man!!!

All too familiar 305 bashing. I bet atleast half of the third gen owners have 305's. I guess a "Third-Gen 305's ONLY" forum will have start up in order to keep those of us (350 impaired) out of ************************** EDITED, for politeness.

 

The only emotional bashing-type behavior in this thread is yours, dude.

The math has been posted repeatedly, it's a logical option. If the 305 is out of the car and needs a rebuild, it makes monetary sense to shop used 350 longblocks.

That's not a bash on 305s, it's economics.

Now get yourself a set of these.

 

Thanks for the "emotion check" kevinc. TGO would be a much nicer place if people would keep the discussions more "factual" than "emotional".

Zed'er, IF you want to keep your 305, go for it. I always say this "it's your car...do with it as you please. You ARE the guy that is going to pay for the bills after all".

I recently have been investigating "rebuild options" for my 300,000+ km L98. You will never believe what the machine shop said to me? "Dump your L98 block and install a 4 bolt block. Older higher nickel 4 bolt blocks are the best, but if you want to retain your one-piece rear seal, there are plenty of newer truck blocks available".

So, even us 350 guys with L98 blocks get the same thing (but 2 bolt vs 4 bolt). The reason? 4 bolt 350 blocks are very reasonably priced ... even in Canada (where I live too). AND, you will have a seasoned block that has already been checked out and tested to ensure it is up to the power level you plan to build. Your stock block may not.

Besides, IF you want to retain your numbers matching block for "future potential collectibility", this TOO makes sense. You will NEVER have to worry about blowing up your numbers matching block. You can store it safely SHOULD 3rd Gens ever become a collectible in the future.

Also, it wouldn't be the first time that I heard someone went and plowed a LOT of money into their rebuild, only to find out their block was flawed in the first place and couldn't hand much more than a "stock rebuild". At least with a "replacement block", the machine shop is on the line for the block being "up to snuff" as they usually already have the block checked out before selling it.

 

Appologies for the outburst, it's just one person in particular that that scratches his nails against my chalk board. The original question was how far the block can be bored, not how much more feasable it is to do it to a 350, that's all. One person always seems to respond to these questions with the same answer, and maybe some people like to keep their cars as original as possible. I am not blind to the fact that a 350 makes more power, as I have one planned for later in the year myself.

Lol on the "Manties", btw.

 

I thought for sure this was going to be a thread about the boring ole 305.

Boy was I wrong. This thread was pretty entertaining!

 

You got something to say? Keep it to PMs. You want a real answer? It depends. Some blocks cant make it over .040. Have it checked by machine shop

 

There is often the answer to the question that was asked, and the information the requestor needs but didn't ask for. In this case, the "new block" part of the original reply might as well be a block with a 4" bore. Hence, the follow-up reply.

I have or will soon have two 305 blocks that are free to the taker (no shipping, no delivery, pick it up out of my garage or forget it). One has been available for 3 years. I doubt I'm going to keep the other one around to find out how long it will take someone to take me up on it. I honestly wouldn't recommend someone actually take them knowing they need to have machine work done on them, but if they just want something that will run for awhile, then fine, here they are.

Sure, why not a "305 only" forum? I'd be happy to mod it, and I'd delete every post that said "get a 350". Go ahead and suggest it to the Admins.

 

True. And some blocks are a COMPLETE waste of time due to minute cracks for anything other than a stock rebuild (and even that may be a waste of time too). That is why I brought up a recent discussion I had with a local machine shop and why he recommended dumping my stock L98 block and using a "known good" 4 bolt block that was pre-checked.

 

Here's the thirdgen bashing heirarchy:

------------------------------------------------------
305 guys get bashed by 350 guys...

350 2-bolt guys get bashed by 350 4-bolt guys...

350 iron head guys get bashed by 350 aluminum head guys...

CFI guys get bashed by Quadrajet guys...

Quadrajet guys get bashed by TBI guys...

TBI guys get bashed by TPI guys...

TPI guys get bashed by LT1/HSR guys...

LT1 guys get bashed by LS1 guys...

V6 guys get bashed by everyone...

T-5 guys get bashed by T-56 guys...

Did I miss anything?

 

now that it some funny **** right there.... kevinc

:werd:

 

Mustangs get bashed by F-bodies???

 

While I agree with the rest, I don't know about this one....

 

Big Blocks bash everything.

 

Not on road courses. I ran an early '70s Vette on Pocono North last season, he'd open a gap on the straight but I'd reel him right back in when we got into corners.

 

Glad to know I'm at the top of the bashing list.

 

yea and then theres the v6's. dont forget the v6's...

 

They're in there, towards the bottom...

 

What about the CFI guys? They get bashed by everyone too....even the TBI guys! (?) LOL!

That's why I used to enjoy bashing back at the track.

-Tom

 

Added.

 

Alright, enough already...