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1100 performance
https://www.ausmini.com/forums/viewtopic.php?f=2&t=67173		 Page 1 of 2
Author:  CARTER_GT [ Mon Nov 22, 2010 7:20 pm ]
Post subject:  1100 performance
Well ive got a 1098 which ive got as my first motor and im wondering what i can do to improve performance
Whats already been done so far
-lightened flywheel
-1 1/2 su on a perry extractor
- 4 pinion diff
-cooper head
- 1 3/4 exhaust
do you think this is a good combination?
Is here any thing else that can be done to make it better as a road motor/ club motorsport motor. That will not cost me an arm and a leg.

Cheers, Steve
Author:  drmini in aust [ Mon Nov 22, 2010 7:23 pm ]
Post subject: 
Put a better cam in if you want real HP from a 998 or 1098. :wink:
Author:  Lockie91 [ Mon Nov 22, 2010 7:26 pm ]
Post subject: 
wat doc said, as well as electronic ignition will get better performance
Author:  ryan [ Mon Nov 22, 2010 7:27 pm ]
Post subject: 
As the doc said, the cam will make a big difference. So will the the work done to the head.
Author:  CARTER_GT [ Mon Nov 22, 2010 7:28 pm ]
Post subject: 
How much would i be looking at for a decent cam?
Would you suggest a wade
Author:  drmini in aust [ Mon Nov 22, 2010 7:35 pm ]
Post subject: 
I've used Wade, Camtech, Kent, and Russell Engineering cams.
Graham Russell seems to be the only guy out here continually improving cam grinds for Minis, and getting more and more HP and torque from them.
Many/most of the other cam grinders are still selling last century's A series cams... :lol:
If you want a killer torquey grind for a 1098 that gives max grunt to 6000 or so, you can't beat Graham's new RE83.
Ask Lindsay Seibler... :wink:
Author:  gafmo [ Mon Nov 22, 2010 7:56 pm ]
Post subject: 
Yep as above specialy about the Cam. I would also Match the ports from Carb to Manifold to Head..also you don't mention what Inlet manifold your using and what modes have been done to the head
Author:  CARTER_GT [ Tue Nov 23, 2010 2:42 pm ]
Post subject: 
the head is just a cooper head, it hasnt had any head work.
Author:  Bubbacluby [ Tue Nov 23, 2010 4:46 pm ]
Post subject: 
CARTER_GT wrote:
the head is just a cooper head, it hasnt had any head work.


Cooper head could be either a 12G202 OR 12G295???
Author:  Fiji [ Tue Nov 23, 2010 5:32 pm ]
Post subject: 
1/3/4 in S.U. wold help
Author:  CARTER_GT [ Tue Nov 23, 2010 6:43 pm ]
Post subject: 
its a 12g295 head. Are they the good ones?
Author:  drmini in aust [ Tue Nov 23, 2010 6:55 pm ]
Post subject: 
295= Best unmodified smallbore head there is. :P
Author:  sgc [ Wed Nov 24, 2010 10:40 am ]
Post subject: 
As mentioned above, a 1-3/4" HS6 or HIF44 carb would probably help.. I went from a single 1-1/2" HS4 to twin 1-1/4" HS2s on a Cooper S manifold and the difference above about 4,000 rpm was incredible. Twins can be difficult to get right though, so a single big carb on a good (Russell) manifold will serve you well.

If you do that, bin the Perry 3-1 extractors too. Get yourself a set of Maniflow LCBs (or even better, the Chinese copy thereof with the cast steel flanges) and you'll get another 5HP easily.

Also as mentioned, electronic ignition will probably get you a few HP back too, especially if your dizzy is a little worn or not curved for all your mods ;)
Author:  Lillee [ Wed Nov 24, 2010 11:13 am ]
Post subject: 
Get rid of the perry's and get some maniflow LCBs. I got my set s/h for $50
Author:  Lockie91 [ Wed Nov 24, 2010 11:21 am ]
Post subject: 
Lillee wrote:
Get rid of the perry's and get some maniflow LCBs. I got my set s/h for $50


:P :P :P :P you lucky duck!! wish I could find some around @ that price :lol: I'm looking for some :(
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