Inliners International Forums General Discussion MOPAR 265 bore spacing

Anyone here happen to know the bore spacing of the Oz 245-265 motors?

hello,
I do'nt know the answer right away,but I have a post on our local "Mopar Market" board with the question for you.
let you know when(if) I find out.

regards,Rod

Thanks. I read that one occationally but I've never registered over there.

BTW, do you know the deck hieght and if it is the same between the 215, 245, and 265?

--J

According to the book "Chrysler Engines" (see previous posts) They all have 4.0 in bore spacing and a deck height of 9.29

4.0"?!?! Wow, with a 3.91" bore that only gives you a 0.09 separation. That can't be correct, can it?

I see your point. This definitely seems wrong, especially since the cutaway shows a water passage between the cylinders. Unless they used "Australian inches" (joke) I think this must be an error. It was to be somewhere in the 4.3 range. Unfortunately, there is no mention in the text; the dimension is only given in one table. It does indicate that the spacing is the same for each one, so I guess you could measure from the first to the last as accurately as possible.. that way any error would be divided by 5.
Sorry my “know it all” book didn’t.

hello,
according to a guy on Mopar Market it is 4.400". no info on deck height yet.
hope this helps.

regards,Rod
edit: a bit more info here:
"Can get deck height but not till tomorrow, [245] . They are all listed with the same stroke 3.680" and all have 5.750" conrod centres which means the deck height is common. Doing some rough maths the deck height should be about 9.365". ie half the stroke +conrod length + comp height of piston =1.840 + 5.750 +1.775 = 9.365".
ie, assuming piston comes to top of bore. you had better check my calcs."

we will get it all eventually. :rolleyes:
Rod

xafalcongs,
"9.300" on block that may have been decked."so says the "man"
so Leif with his 9.29 seems to be on the money.
me? I have a smooth slant- I leave those rattling hemi 6's to the boy racers.


regards,Rod lol.

Wish I'd seen this question a week ago... I was looking over a bunch of these engines and had a tape measure handy.

Strange that the Hemi 6 Pack forum's 'knowledge base' doesn't want to divulge this. It's got to be there, but the links aren't working.

Hey guys,

I appreciate all the input. Thanks.

--J

Bores for the different capacities are:

215ci - 3.52" - 140bhp/200ft/lbs
245ci - 3.76" - 165bhp/235ft/lbs
265ci - 3.91" - 203bhp/262ft/lbs

Obviously this is in standard form, there was a 218bhp/273ft/lb version of the 265, still with 2bbl Carter, while the Weber-fed engines gave 248bhp/306ft/lbs or 280bhp/310ft/lbs or 302bhp/325ft/lbs depending on which version you got. Which outstripped all the V8s offered in the Australian models.

It's also the case that some engines (for cars intended to be raced) left the factory with overbores... not sure whether they were 0.030" or 0.040".

g'day Ray,
there is a post under Hemi 6 on MM that I have been trying to get the info also.
all my searches drew a blank on that measurement.
regards Rod

You need a workshop manual...

I'm going to need a shop manual. I just keep putting it off since I haven't decided on shipping over a 265.....too many other projects to finish.

hello xafalcongs,
are you aware of this guy,Oz Hemi in Ca.? he does the import/export thing with Mopar stuff.

mailto: jeffmotors@aol.com

he might just know the answer to your bore question also. be worth a quick email?
regards,Rod

Yeah, I know Jeff. He's looking into the answers but has been out of pocket for a little while wo I thought I would post on here.

I thought you would probably know him.

Rod