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Is my 998 worthy enough to rebuild...or should I go big...
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Author:  Beau [ Mon May 09, 2005 6:24 am ]
Post subject:  Is my 998 worthy enough to rebuild...or should I go big...
I'm now getting to the point in my restoration that I have been dreading....What to do for an engine.
My car is a Morris Mini 1000. I know the tranny is not original, but I'm pretty sure the rest is from a 1000.

I would like to build a semi-performance motor. Something that's reliable, but still has a bit more power and torque.

Would it be worth it for me to rebuild my engine I have, or should I upgrade to a larger size, say 1275?

Also, what should I be looking to upgrade as far as my tranny, cause that will be next for rebuild. It's a rod change.
Author:  Maxi23 [ Mon May 09, 2005 7:13 am ]
Post subject: 
If you go to 1275 you need to be aware that you WILL need disc brakes, and for most affordable disk brakes you then need 12" rims + tyres......so thats another 2k on top of ure rebuild...

Thats why I stayed at 1100, as that was expensive enough to rebuild.
Author:  9YaTaH [ Mon May 09, 2005 8:13 am ]
Post subject:  Re: Is my 998 worthy enough to rebuild...or should I go big.
Beau wrote:
I'm now getting to the point in my restoration that I have been dreading....What to do for an engine.
My car is a Morris Mini 1000. I know the tranny is not original, but I'm pretty sure the rest is from a 1000.

I would like to build a semi-performance motor. Something that's reliable, but still has a bit more power and torque.

Would it be worth it for me to rebuild my engine I have, or should I upgrade to a larger size, say 1275?

Also, what should I be looking to upgrade as far as my tranny, cause that will be next for rebuild. It's a rod change.


Hey Beau...depends on what you want...if you just want some extra fun , performance and noise!! then just overhaul your 998 with a mild cam, twin carbies and an efficient exhaust system......think about fitting disk brakes anyway, if the budget extends that far

Above all....enjoy!!

BTW how many months per year is it Mini driveable weather in your neck of the woods??
Author:  J_A_M [ Mon May 09, 2005 8:30 am ]
Post subject: 
rebuild your 998. Fit a 1098 crank and pistons, performance cam and do a bit of head work. :wink:

That should give you some go.
Author:  68matic [ Mon May 09, 2005 8:47 am ]
Post subject:  Re: Is my 998 worthy enough to rebuild...or should I go big.
Beau wrote:
I know the tranny is not original

we all know transgenders are not original :wink:

anyhow, 998s can go extremely well
and i think you should put money into rebuilding that

if you want another block, look at about $500 plus a $1500+ rebuild
Author:  CPOCSM [ Mon May 09, 2005 10:29 am ]
Post subject:  Re: Is my 998 worthy enough to rebuild...or should I go big.
68matic wrote:
Beau wrote:
I know the tranny is not original

we all know transgenders are not original :wink:

anyhow, 998s can go extremely well
and i think you should put money into rebuilding that

if you want another block, look at about $500 plus a $1500+ rebuild


Gday mate - I have a 998cc and it is a hoot. I am rebuilding a replacement 998cc as a standby and I think they go very well. The small bores are very robust and warm well with tweaking. I have the stage 1 kit fitted and standard internals apart from a DHLA 40 sidedraught and 1.5:1 rockers sitting on a 12G202 head. IMHO I find them a very perky and gutsy motor(and thats comment as I also own a 1275 mini as well). I find they rev freely and have a lot of poke. The only downside is the highway motoring(100kph @ 4000rpm) but the noise is part and parcel in owning a brick.

Keep the 998 and warm it through. Go your next oversize and warm the cam up(they really go well with a longer duration camshaft as opposed to a higher lift) and retain the drums($1600-$2500 upgrade if you go discs) and grab hold of a 202 head. Above all enjoy the noise and the pleasure of owning a small bore.

Yours, Aye

Rob Forsyth
Miniot!!
Author:  68matic [ Mon May 09, 2005 10:56 am ]
Post subject: 
sounds great Rob
and i think to say your cars only got 1L is hilarious
Author:  CPOCSM [ Mon May 09, 2005 11:05 am ]
Post subject: 
My Father(rest his soul) would be pulling the piss that I drive in a car whose engine capacity is rivalled by some versions of lawn mowers. Dad was a truckie however was also a Mech Engineer(go figure!!) and had the belief of nothing beats cubic inches...lol.

I agreed to disagree with him but all aside he did own a really horrible 2 tone green oxford and dated mum on a vespa scooter!!! CC my butt!!!! I think my lecky toothbrush had more power than the vespa...lol

Rob Forsyth
Miniot!!
Author:  TK [ Mon May 09, 2005 11:23 am ]
Post subject: 
This is the 998 that I built.

060 oversize pistons, decked block
Oversize valves, Little bit of head work, shaved head, double valve springs.
30/70 Cam
Fully balanced
1.75 inch SU
Extractor exhaust with single straight through muffler.
Standard gearbox with 3.7 diff
Oh and don’t forget to get the distributor re-graphed


This baby was a screamer
Author:  CPOCSM [ Mon May 09, 2005 11:34 am ]
Post subject: 
best fun with your clothes on by the sounds of it - would scream i would imagine...

Rob Forsyth
Miniot!!
Author:  1310/71 [ Mon May 09, 2005 11:37 am ]
Post subject: 
Maxi23 wrote:
If you go to 1275 you need to be aware that you WILL need disc brakes, and for most affordable disk brakes you then need 12" rims + tyres......so thats another 2k on top of ure rebuild...

Thats why I stayed at 1100, as that was expensive enough to rebuild.


As someone else alluded to, if you build a warm to hot 998 or 1100, you'd probably be wise to go to disc brakes anyway. I know, I did it the hard way and now I'm getting the discs.
KB
Author:  FatMaserati [ Mon May 09, 2005 12:00 pm ]
Post subject: 
Maxi23 wrote:
If you go to 1275 you need to be aware that you WILL need disc brakes, and for most affordable disk brakes you then need 12" rims + tyres......so thats another 2k on top of ure rebuild...

Thats why I stayed at 1100, as that was expensive enough to rebuild.


Man, I both laugh and cringe when people keep saying this. I've been driving my 1430cc on drum brakes that are a) from a Morris Minor (which is bad enough), and b) not even installed correctly... Technically I should be dead.
Author:  drmini in aust [ Mon May 09, 2005 1:55 pm ]
Post subject: 
Guys he's in USA, no legal need for discs unless he wants to.

The reason most states in Oz want discs fitted is all the 1275 Minis sold here, had them stock. Not that they sold that many.. :lol:
(Yeah I know there were some 1275 Mokes built with drums..)
Author:  Spaceboy [ Mon May 09, 2005 2:55 pm ]
Post subject: 
keep the 998, they're the most reliable and long lasting mini engine

my worked 1100 is way too fast for my drum brakes so i agree with the disk brakes on 1275 theory.

how do you regraph a dizzy?
Author:  Beau [ Mon May 09, 2005 5:23 pm ]
Post subject:  Thanks all!
Man I love my friends from across the pond. All I hear in the US is "buy a 1275, don't waste your money". But I have a 998, so why not build it! I just needed some positive reinforcement to help me out!

I plan to balance the entire engine, install a cam, and do some head work. I just need to educate myself on how far to go and what to do! Expect stupid questions in the future!

Oh, and thanks to some of you, my car has Honda disks being installed! 9.5" of rotor on both the front wheels (put your guns down, I'm keeping the 13").

Uh oh, I think I just found another question. Will a mild modded 998 push 13" wheels?
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