Hemi Question - Aussie V8 | Holden - Ford

bow076 · 29-12-2007, 11:43 AM

Do you need to have a hemi block to make a hemi or is it just the heads??

STREETFIRE68 · 29-12-2007, 12:33 PM

no, just the heads.

and you can also use hemi heads on a 440 i think.

bow076 · 29-12-2007, 06:40 PM

thanks mate

CK_318 · 29-12-2007, 07:45 PM

ummm, i think teh answer would be NO. because
A: the spark plugs are no longer in the block anymore, but in the heads. and
B: the cylinders banks are usually wider to accommodate the extra width needed to have the spark plug in the head if its V8. what is your plan by the way???

STREETFIRE68 · 29-12-2007, 10:27 PM

oops, i thought i could go the other way around (440 crank will fit a hemi) by putting on the hemi heads.

and do you mean 245/265 hemi or 426 hemi?

CK_318 · 29-12-2007, 11:08 PM

to my understanding, a Hemi is a stand alone engine. like the Max Wedge(sizes were the 413/426), which the 426 Hemi was based on. but as far as i know no parts from a B/RB mopar big block will go into a hemi/max wedge.

i'm not too sure on our Aussie inline 6 Hemi's tho.

TuffXR · 29-12-2007, 11:15 PM

Quote:

Originally Posted by CK_318

to my understanding, a Hemi is a stand alone engine. like the Max Wedge(sizes were the 413/426), which the 426 Hemi was based on. but as far as i know no parts from a B/RB mopar big block will go into a hemi/max wedge.

I'm not too sure on our Aussie in line 6 Hemi's tho.

And you would be wrong.

You can use the Hemi heads on a 440, I have built a couple of this combo using both the B and RB block. seeming as the plugs go in the heads on a 440 as well. The only difference is on the hemi head is that they in the middle of it. Now also the hemi was a b model block which is not to be confused with the early 331 or 352 block in the early 300C.

STREETFIRE68 · 29-12-2007, 11:20 PM

i thought so!

don't forget 392 hemis tho

wedgemotors · 30-12-2007, 10:37 AM

Quote:

Originally Posted by TuffXR

And you would be wrong.

You can use the Hemi heads on a 440, I have built a couple of this combo using both the B and RB block. seeming as the plugs go in the heads on a 440 as well. The only difference is on the hemi head is that they in the middle of it. Now also the hemi was a b model block which is not to be confused with the early 331 or 352 block in the early 300C.

hemi blocks have a different oiling passage, how do you get around that?

CK_318 · 30-12-2007, 10:50 AM

Quote:

Originally Posted by wedgemotors

hemi blocks have a different oiling passage, how do you get around that?

yeah i knew there was something different about them, and i couldn't be bothered loking through my old Street Machine collection to find the artcile they did on the 426.

29-12-2007, 11:43 AM	#1 (permalink)
bow076 Newbie Trade Rating: (0) Join Date: Dec 2007 Location: singleton Ride: VF Coupe Posts: 3	Hemi Question Do you need to have a hemi block to make a hemi or is it just the heads??

29-12-2007, 12:33 PM	#2 (permalink)
STREETFIRE68 Chrome Bars = Real Cars Trade Rating: (0) Join Date: Dec 2007 Location: Adelaide, SA Ride: Your sister :) Posts: 1,314	no, just the heads. and you can also use hemi heads on a 440 i think. __________________ An optimist is someone who falls off the Empire State Building, and after 50 floors says 'So far so good!' ___________________________________ Last edited by STREETFIRE68; Today at 07:50 PM.

29-12-2007, 07:45 PM	#4 (permalink)
CK_318 my shoulder is watching U Trade Rating: (0) Join Date: Jan 2006 Location: Muswellbrook NSW Ride: VN V6 Executive Posts: 4,014	ummm, i think teh answer would be NO. because A: the spark plugs are no longer in the block anymore, but in the heads. and B: the cylinders banks are usually wider to accommodate the extra width needed to have the spark plug in the head if its V8. what is your plan by the way??? __________________ Puppy eyes hide the sick mind behind

29-12-2007, 10:27 PM	#5 (permalink)
STREETFIRE68 Chrome Bars = Real Cars Trade Rating: (0) Join Date: Dec 2007 Location: Adelaide, SA Ride: Your sister :) Posts: 1,314	oops, i thought i could go the other way around (440 crank will fit a hemi) by putting on the hemi heads. and do you mean 245/265 hemi or 426 hemi? __________________ An optimist is someone who falls off the Empire State Building, and after 50 floors says 'So far so good!' ___________________________________ Last edited by STREETFIRE68; Today at 07:50 PM.

29-12-2007, 11:08 PM	#6 (permalink)
CK_318 my shoulder is watching U Trade Rating: (0) Join Date: Jan 2006 Location: Muswellbrook NSW Ride: VN V6 Executive Posts: 4,014	to my understanding, a Hemi is a stand alone engine. like the Max Wedge(sizes were the 413/426), which the 426 Hemi was based on. but as far as i know no parts from a B/RB mopar big block will go into a hemi/max wedge. i'm not too sure on our Aussie inline 6 Hemi's tho. __________________ Puppy eyes hide the sick mind behind

29-12-2007, 06:40 PM	#3 (permalink)
bow076 Newbie Trade Rating: (0) Join Date: Dec 2007 Location: singleton Ride: VF Coupe Posts: 3	thanks mate

29-12-2007, 11:20 PM	#8 (permalink)
STREETFIRE68 Chrome Bars = Real Cars Trade Rating: (0) Join Date: Dec 2007 Location: Adelaide, SA Ride: Your sister :) Posts: 1,314	i thought so! don't forget 392 hemis tho __________________ An optimist is someone who falls off the Empire State Building, and after 50 floors says 'So far so good!' ___________________________________ Last edited by STREETFIRE68; Today at 07:50 PM.

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