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'F' Head to 2F motor

Tech Talk for Cruiser owners.

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'F' Head to 2F motor

Post by Ol'40 »

G'day all. can anyone help me, is a 155 'F' motor head interchangable to a 2F motor?????


Thanks Gaz..... :?

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Last edited by Ol'40 on Wed Jan 24, 2007 6:38 pm, edited 1 time in total.
Old 40's last forever as long as you keep fixing the buggers...
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Post by Ol'40 »

Hey boys, can anybody help with with this question please.....



Thanks, Gaz.

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Post by shorty_f0rty »

gday Gaz,

you might get a bit more help here in regards to this query:
http://forum.ih8mud.com/forumdisplay.php?f=8

cheers,

IP
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Post by shorty_f0rty »

i might be mistaken but i THINK i read in this thread (it was pretty late last night when i was reading it) that he used a F head on his 2F..

http://forum.ih8mud.com/showthread.php?t=61396
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Post by DIRTY ROCK STAR »

can i ask why your doing it? cheaper or is there a power benefit??
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Post by hj47 »

i believe they will fit i gave a bloke a head from a 2f and he recons it fitted his cruiser which was a f motor i think the manifolds are different though
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Post by Sixty »

The 2F head will fit the F. Dunno bout the other way round tho.
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Post by Ol'40 »

shorty_f0rty wrote:gday Gaz,

you might get a bit more help here in regards to this query:
http://forum.ih8mud.com/forumdisplay.php?f=8

cheers,

IP

Thanks boys for the answers. And yeah Andy,(Ironpaw), I didnt recognise you at first by your Outers avatar, but thanks for that link to Andrew Farmer in NZ, I will PM him, it may be more complicated than I thought.

And yeah Dirty Rock Star (another 3rd Rocker) its just that my 2F has lost a little power and gives a puff of blue smoke on take off , the motor comes out of a gassed 60 series which I honed, (and found it to be 60 thou over bored) re- ringed and did the big ends. so I reckon the seats, guides and seals are gone in the head. I have my old 155 F head here which had a little work and gas seats installed, and if possible would like to use it. And if there is a compression/power benefit .....Bonus....

Yes hj47, the extractors will fit the F head as they origionally came off it. Its just that the F head doesn't have a bolt on the front exhaust port, I might have to look at tapping one in.

Gaz....3rd Rocker
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