Cmon Kev - where is your sense of adventure...live on the edge!!!

Just got the call from QIM and Terry says the motor is ready to be picked up!!! Just in time for the 2 weeks I have off too...WOOOHOO!!!

Hooroo - assembling motor!!

Rob Forsyth
Miniot!!

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Rob Forsyth
Miniot!!

Sweet! Got to be happy with that Yeah I should be at the meeting on Wednesday so if you are happy to drag the tank along that would be great.

I always figured you could run a stock 940 head without pocketing, especially with a standard 998 cam (and add sintered rockers even more so). Not sure that I would be brave enough though since I have a habit of getting the valves bouncing

I was told definitely not to put my 12G940 on a 1098 when I asked.... since the head is very ported it probably wouldn't get any sort of gas velocity Best to stick it on a 1275 then!?

Only way I would use one on a smallbore without pocketing is if the ex valves are sunk into the head and head is std thickness.
That description doesn't fit any of MY 1275 heads...
And if the valve seats are sunk it won't go hard anyway....

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

True, standard 998 with standard 1275 head, you do not need to pocket the block

.

i wasn't suggesting it, i was merely speculating at the slightess chance of it being almost possible..

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for hillclimbs you need TORQUE
go the stroker engine - 1100
go for a cam that has a wide torque band not peak power
single SU for torque
you can port the 12g02 and enlargen the valves, but not by too much cos you want low down torque
then supercharge..


apart from that, lose as much weight from the car as you can

where can u get the pipettes to clean up the head from ......minispares how much are they..
also to fit the 1100 crank is a straight swap?cus i hav a 998 and wanna stroke and put the 1100 pistons in.

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My rides-74 fj40
74 clubman hopefully rego'd soon....
and 76 clubbie van!! - Ratschite after what i found what it was covered in when i found her...
http://photobucket.com/albums/b44/minimechanic/?sc=1

Yes, 1100 crank & pistons is a drop in swap in a 998. Blocks are identical apart from engine number prefix...
Rods are the same too.
Make sure you change the 998 cam, it has bugger-all lift...

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

sweeet looks like i have a sleeper 998....which is actually an 1100
and where do u get them little pipe thingies to clean the head with????? karcraft minispares??????

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My rides-74 fj40
74 clubman hopefully rego'd soon....
and 76 clubbie van!! - Ratschite after what i found what it was covered in when i found her...
http://photobucket.com/albums/b44/minimechanic/?sc=1

ok i think there needs to Be a sticky On this A series Mods im a Little slow when it comes to understanding What Number heads are off what. Umm so does a 1100 Head fit on a 998 Or is it basicly the same? and im guessing 1100 pistons and crank are Very hard to source nowdays Not unless someone has a set somwhere around the workshop? P.m. me if you do PLeeeaaasseeee.

yeah 998 and 1100 you got to think of them as the same engine with a different stroke.

heads and all that swap over etc.

smallbores and 1100's are common .. but its the 998 thats the real gem.

so why is the 998 a gem Is it the block? what Makes it a good engine?
what is the numbering for a 1100 head?

everyone wants 1100's over 998's because of the obvious large increase in power and torque

BUT

the 998 is superior for smoothness and revs, and the most long lasting due to its shorter stroke. the cooper being the best of its kind.

The 1100 and moreso the 1275 are HARSH engines with vibration and harmonics.

of course if you had the money you could remove that harshness by fully balancing an 1100 or 1275...

my fully balanced 1100 is sweet, smooth and free from vibration.
It's like a totally different motor to a standard 1100.

ask someone who owns a good 998, the engine sings

an 1100 head would be 12g02

That would be a 12G202 1100s also had 12G295s (if you can find them) there may also be some late clubby type smog (post emissions ADRs) heads about (not sure here).

The 998 is one of the more reliable and proven mini engines but it lacks the torque of the 1100 and 1275 and is only marginally more revable by all accounts. I don't want to rev that high anyways.

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Roads need more corners
A Deluxe(CG13DE), 2 Clubbies(998 and 1275) and 2 Morris 1100Ss