DOT 748-1127 head swap info

[Oliekoel]

Hi OSS

the title says it all, another question about dothead...
might be that there are too many dotheads

i have been reading about dothead swaps, but due to the many usages of dothead swap term, i now find it hard to understand what exactly will become "points of struggle" easily said

to get to the point, i have half a 1127 engine and i have a 748 dothead donor engine.




- will the head fit 1 on 1?
 meaning all oem products i have do not need to be adjusted, for instance the head gasket?

- there was in issue about getting the timing right,
this should be from a 1052?

- carb issues with frame/gastank

- spacers/grinding down that head


I have been reading about
electricscreen 1127
bandit 12
teapot dotheads
even the 1052-749 system
even a 748 with 1127 head
but these are not the ones i am looking for

due to the simplicity i find it hard to conclude/understand if it's worth it,
worth the work and worth breaking up the engines (not that i mind)

i read that some of you have done it succesfully and give advice to others, but instead of starting a mailinglist smileystick for my spamquestions   i hope your attention gets attracted by the title .

On the other hand, my lads that i learned 101-mechanics from swore it is not possible without additional work done

so next time when i get the chance for this neverending ("neverstarting" is a better name for this) project and the knowledge, i'd like to complete such an engine for personal use. I'll put it aside next to all the other goodies never used smiley-sick004











 

[Oliekoel]

edit/update:

"miscellanious reading material"

www.gixxer.com/forums/showthread.php?t=282802 (timing)

www.gixxer.com/forums/showthread.php?t=281741 (nothing useful)

www.suzukihayabusa.org/forum/index.php?topic=116065.0;nowap (notjing useful)

www.gixxer.com/forums/showthread.php?t=326620 (useful but a bit confusing due to too much info)

www.gixxer.com/forums/showthread.php?t=295273 (robertop post helpful info/also 1216-dothead confirmation)

www.banditforum.co.uk/forum/index.php?action=printpage;topic=39886.0 (bandit)


as u can see, it is better to read your posts than reading those topics.!

[kokolis]

See you on sunday smileychair

[Oliekoel]

Sept 2, 2014 20:38:11 GMT kokolis said:

See you on sunday smileychair

smileyshit

yes you probably will

[sibag]

The dot head is a straight swop onto the 1127 & 1157 block.
Just use the 1100 head gasket.
Ideally slot the cam wheel and dial in the cams, but fatblokeonbandit just slung his on without dialling them in.

[buddy]

I never dialled mine in either, because I didn't know how to lol, maybe using the dot head on cams off my gsxr, onto bandit motor I have to fit. Maybe get them dialled in this time

[rusty]

What does "slotting the cam wheel" mean?

[fula28]

SLotting cam wheels, basically means elongating bolt holes so the cams can be timed up to give max performance otherwise your loosing power . So use cam wheels from same bottom end put your, dot cams or such what ever your fitting, then get a knowledgeable chap to dual em in , this moves the power you have to either mid range or peak high. 
I've run 1052 bottom 1157 block , and dot head before which made 140bhp 38mm cv carbs -& 40mm headers. Pulls your stems off, and is so cheap to do compared to 1216 kit , makes same power if not more.
good luck.

[fatblokeonbandit]

Ive done 3 bandit 12's with DOT head and cams now all good no explosions and all without slotted cams, the one I had dynode, made 133rwhp with pod filters and a home made stubby, less midrange but went like a rocket higher up the revs..

[Oliekoel]

Thanks for the additional info! (Keep em coming, better say it now and not after the mistakes i could've made)

Hope others will find their answers here!
Getting rid of some doubts here

Will post some links further up the week with some discussions that i was reading into ( eventually asking a question will give answers instead of formulating my own conclusions), will add this to the first post.

[Oliekoel]

Oh and yes i read about fastbloakonbike.
Such as others but instead of asking everyone i read about doing it, creating a thread was simpler

Oh and also, kokolis, yes i know you explained a lot privatly, just couldn't believe it.
Btw, nice pic in the september thread

[gixxerharry]

Not all Dot heads are the same (U need a gixxer dot head)
I think it is a lot of work for just 4Hp (if you use the gixxer dot-head on a 1100 M engine)

[sibag]

Sept 18, 2014 10:44:47 GMT gixxerharry said:

Not all Dot heads are the same (U need a gixxer dot head)
I think it is a lot of work for just 4Hp (if you use the gixxer dot-head on a 1100 M engine)

Tea Pot DOT head works fine, you just need the GSXR Cams.

[gixxerharry]

Sure it works but the flow is a lot less than for a gixxer dot head

[Oliekoel]

In my case i have those casings lying around, just not the time to invest yet.
And yes it's a gsxr dothead in my case.

(Have the oem daily to give a good service now and don't have the space)