Ausmini
It is currently Tue Aug 05, 2025 7:17 pm

All times are UTC + 10 hours




Post new topic Reply to topic  [ 51 posts ]  Go to page 1, 2, 3, 4  Next
Author Message
PostPosted: Thu Oct 01, 2009 4:24 pm 
Offline
Bimmer Twinky
User avatar

Joined: Mon Sep 06, 2004 4:36 pm
Posts: 8606
Location: Brisbane
Ok,,, well,, some of you may have seen the little dark blue mini with the surf boards on the roof at the Mini Muster last month, well we finally got around to throwing it onto the dyno today

Now don`t go all silly on me expecting it to be fantastic or anything like that because we havn`t sorted diddly squat yet,,, it`s simply a std 2nd hand BMW 8V Kseries cyl head,,, absolutely nothing done to it at all,,, took it off the Bimmer donk & slapped it straight onto the mini donk, we shoved a set of bike carbs on & tried to fire it up,,, But it had a few fuel leaking issues out of the little o-rings in the fuel feed "T" pieces on the carbs so we had to fix them, then it just wasn`t rich enough to even fire up & run so i played for about 20mins & got it enough fuel to run, we stuck the cams somewhere aroiund the right spot & took it to the dyno today

first run gave us 54HP

extreamly lean down low, floating into extreamly rich up top, so it`s no-where near right yet,,, we did have a play with the exhaust cam to square it up which gave us a bit more vacuum at idle & smoothed that part of it up, but we`re yet to play with the mid range & top end with the mixture needles

BUT!!! it doesn`t have any ram tubes or air filters on it yet so i`m going to do that lot before we do any more dyno time---> make up a filter base plate , fit some nice ram tubes into it & sort some form of air filter,,, probably end up being one of those big-arse speedway filters if the truth be known,,, only because My mate Stewy has a spare one sitting under his bench :-) :-) :-)

SSSSSSOOOOOOOOoooooooooo,,,, it`s very very encouraging information at this stage

More fuel down low will smooth it out down there (even tho it`s "VERY" nice & smooth allready) ,,,, More fuel up top will give it even more than 54hp for sure,,, & hopefully we can smooth out the transition in-between to make it even more lovely & drivable than it already is,,, & i can assure you it`s already "VERY" nice to drive (for a small bore),,,

i think everyone already knows that i`m not a big fan of small bores, but this one is definately changing my mind :-)

OH!!! & i`ll stuff one of those electronic dizzys into it because my dyno opperator (Gary) says that there is quite a fair bit of RF interferance/noise happening around the dyno apparently effecting the computer & so he`d like to pi$$ the points off & fit an elecky dizzy , & because it`s only 8.5:1 compression ratio it could do with a heap more advance than what it has at the moment too,,, it`s all sounding like we will (hopefully) pass the 60hp mark with it :-)

I have the dyno sheet here & i`ll post it as soon as i work out how to scann it

& just so everyone knows , this particular dyno reads exactly the same as Bob Romanos which reads pretty much the same as the mobile rolling road dyno that is used at our Muster events.

So... 54hp with a std 2nd hand Bimmer head just slapped ontop,,, i threw this donk together as cheap as possible,,, you basically couldn`t have built a cheaper small bore twinky than this,,, virtually nothing is new except for the pistons/rings & the oil pump, everything else is std 2nd hand crap just chucked onto it to just make it all work.

OH!!! & when i get the dyno sheet up you will notice that it`s still climbing in power at 6000rpms & the only reason we backed off it because of the lean-ness,,, (((i don`t want to blow it up just yet))) :-)

However It does go past 7500rpms (& has done many many times already) quite easy tho, so i`m expecting to see some better numbers & a smoother power & fuel curve when we`ve finished "Playing"

so,,, there you go
:-) :-) :-) :-) :-) :-) :-) :-) :-)

_________________
No offence intended here but--> anyone writing a book about minis 30 years ago may not have experienced such worn or stuffed-with components as we are finding these days.

You should put your heart & soul into everything you do.


Top
 Profile  
 
 Post subject:
PostPosted: Thu Oct 01, 2009 4:29 pm 
Offline
This space for rent
User avatar

Joined: Thu Feb 08, 2007 12:40 pm
Posts: 5455
Location: Melbourne
Noice one Matt, very encouraging!! 54 BHP, yeah? Pretty damn good considering it's not been tuned properly :D

What capacity is this thing, are you running a 998 or 1098 crank?

_________________
Simon

The adventures of an owner builder in the Tallarook Ranges

Image


Top
 Profile  
 
 Post subject:
PostPosted: Thu Oct 01, 2009 4:42 pm 
Offline
Bimmer Twinky
User avatar

Joined: Mon Sep 06, 2004 4:36 pm
Posts: 8606
Location: Brisbane
Just a 998cc with a slight over bore to clean it up & make it all work , It rerally is just a "Chuck-together" with all 2nd hand sh!t ,,, absolutely nothing fancy at all

std , 2nd hand cyl head, with absolutely nothing done to it,,, dead bog stock,,, i didn`t even take the valves out to clean it :-)

_________________
No offence intended here but--> anyone writing a book about minis 30 years ago may not have experienced such worn or stuffed-with components as we are finding these days.

You should put your heart & soul into everything you do.


Top
 Profile  
 
 Post subject:
PostPosted: Thu Oct 01, 2009 4:52 pm 
Offline
This space for rent
User avatar

Joined: Thu Feb 08, 2007 12:40 pm
Posts: 5455
Location: Melbourne
Damn, that's going to do well when you get it all sorted out!!!

That head on a 998 must be smooth as silk.... 8) :D

_________________
Simon

The adventures of an owner builder in the Tallarook Ranges

Image


Top
 Profile  
 
 Post subject:
PostPosted: Thu Oct 01, 2009 5:01 pm 
Offline
Bimmer Twinky
User avatar

Joined: Mon Sep 06, 2004 4:36 pm
Posts: 8606
Location: Brisbane
sgc wrote:
Damn, smooth as silk.... 8) :D


yep,,, you said it :-)

I con`t believe how well it idles so smooth, yet it just screams past 7500 & the cams are set really soft, as in almost no over-lap at all... these heads are "DAMN GOOD" :-)

Just with till i have a play with some big stuff & some "decent" cams with "Decent" lift/duration & over-lap :-) I`m Hangin !!!!!!!!!!!!!!!!!! :-)

_________________
No offence intended here but--> anyone writing a book about minis 30 years ago may not have experienced such worn or stuffed-with components as we are finding these days.

You should put your heart & soul into everything you do.


Top
 Profile  
 
 Post subject:
PostPosted: Thu Oct 01, 2009 5:12 pm 
Offline
1098cc
1098cc
User avatar

Joined: Wed Aug 26, 2009 11:28 pm
Posts: 1550
Interesting bit of r & d there MiniMan. 54 aint bad for low compression and bad mix.. You're obviously considering doing these comercially yeah? There are a lot of people out there who'd be interested, not everyone likes to go to the big bores for fear of the price (but really, you only need to buy the block once and the cost of hotting them up is so close that I don't see the point personally but anywho). Could be a winner..

Forgive me for asking, I know little about the conversions you do, but are they normally low comp? Or is it just cos you were allowing a shoe string budget on this one? I'd like to see it as a finished product running right, could be good well into the 100's (at the crank)? What figures are you aiming for?


Top
 Profile  
 
 Post subject:
PostPosted: Thu Oct 01, 2009 9:39 pm 
Offline
Bimmer Twinky
User avatar

Joined: Mon Sep 06, 2004 4:36 pm
Posts: 8606
Location: Brisbane
Phat Kat i`ve been doing the BMW cyl head conversions for a long while now, (over 15 years) we have a turbo injected 16valve 1360cc version set up in a moke here also & have many other Twinky conversion engines on the go too

http://www.youtube.com/watch?v=6bCcpavIgZ4

we had 2x Twinkys running at the Muster this year, last year we had one & also one at both the 2 previous years also

I am still doing heaps of Twinky R&D,,, some people may tell you that i just surf all week, but the people who know me will tell you i only surf for 2 or 3 days per week :-) the rest of the week is spent fixing customers minis & then a bit of time left over goes into more Twinky R&D,,, so yes i take my time,,, sorry :-) :-) :-)

_________________
No offence intended here but--> anyone writing a book about minis 30 years ago may not have experienced such worn or stuffed-with components as we are finding these days.

You should put your heart & soul into everything you do.


Top
 Profile  
 
 Post subject:
PostPosted: Thu Oct 01, 2009 9:54 pm 
Offline
1098cc
1098cc
User avatar

Joined: Wed Aug 26, 2009 11:28 pm
Posts: 1550
Sorry mate did I word something a little badly there...

Like I said I know/knew little about your conversions, I didn't realise that they were turbos. And obviously they are "winners" otherwise you wouldn't bother with them, thats a no brainer,, I was refering to small bore stuff, I got the impression from your post that this was a first. Sorry thats what I meant by people would go for it.

I know you've been doing them for years, I remember seeing you mention them in the Ken Elder 7 port thread/circus, after that I tracked down you website and read up a bit.

I know how hard it is to get on with THOSE projects, trust me I have three on the go, you just need to quit work for a good 2 years so that you can finish your unfinished business :lol:

Sorry mate didn't mean to offend you.

(unless I just totally misjudged the situation.....AGAIN)

EDIT: yep, misjudged it. Those smiles don't lie :lol:


Top
 Profile  
 
 Post subject:
PostPosted: Thu Oct 01, 2009 10:30 pm 
Offline
Bimmer Twinky
User avatar

Joined: Mon Sep 06, 2004 4:36 pm
Posts: 8606
Location: Brisbane
no offence taken Phatkat,,, & yeah the smileys are there for that reason

My aim was to show you that yes i`ve been doing them a long time, refining & producing them & refining them some more,,, my problem is "time" & yes i do keep getting battered by the masses about taking so long but maybe some day people might realise that i do actually (or try to) have a life as well as minis , as well as my Twinkys :-)

yes i have turbo versions & i also have this "cheap as chips" n/a small bore version too (a few in fact),,, i just did that particular one to shove it in the face of all the knockers out there really, i`m not a fan of small bores cause,,, well,,, they`re small, but this one has changed my mind :-)

it seems there are plenty of people out there who only read "some" of my posts,,, maybe because they`re often too long, maybe because they`re just lazy & maybe they just like reading what they want to read & not actually take in exactly what is said

i am PM`d daily about what i have "Meant" to have typed, but when i "Quote" the specific thread post, they tend to actually read it properly ,,, if everyone actually read posts fully & correctly there would be less hassle between the masses i reckon :-)

no dramas Phat kat,,, i like you,,, you also are very helpful around here & obviously happy & willing to lend your time to help out if & where you can,,, good for you mate, there should be more like you :-)

I`ve just finished typing a PM to another , attempting to relate what i do here, my daily routine so to speak,,, or rather a list of things that i`m supposed to be doing,,, i won`t name names but i might just type a copy of it into my sig at the bottom of my posts yeah??? :-) Maybe then each time i post, people can be reminded of what i`m trying to achieve

Lifes short mate,,, & Peter Brock told me (a few times) to """Bite off way more than you can chew,,,then chew like hell """ :-)

wel... i`m trying to chew like hell but i like to surf & ride mountain bikes & play squash & help my friends & work on continuing to build my house & all my 15 cars & spend some time playing with my 3 dogs & my girlfriend & my mates & crew for the speedway sprint car team & have heaps of parts made & modified & maybe get a chance to eat & sleep now & then too ,,,yeah??? so the 300 odd very loyal customers minis come first, then the Twinkys & my own cars & then some fun if/when i get time

:-) :-) :-)

ok ok ok,,, start playing the violins now :-) :-) :-)

_________________
No offence intended here but--> anyone writing a book about minis 30 years ago may not have experienced such worn or stuffed-with components as we are finding these days.

You should put your heart & soul into everything you do.


Top
 Profile  
 
 Post subject:
PostPosted: Thu Oct 01, 2009 11:14 pm 
Offline
Mien
User avatar

Joined: Wed Aug 10, 2005 1:42 am
Posts: 3892
Location: The Woomba
TheMiniMan wrote:
I am still doing heaps of Twinky R&D,,, some people may tell you that i just surf all week, but the people who know me will tell you i only surf for 2 or 3 days per week :-) the rest of the week is spent fixing customers minis & then a bit of time left over goes into more Twinky R&D,,, so yes i take my time,,, sorry :-) :-) :-)


Ya dad reckons if you stopped surfing this would have all been done ten years ago :lol:

Seriously, that's great news Matt. Looking forward to seeing the end result with a properly sorted 998 and nice steady mixtures.

_________________
"I'm sorry, but a lack of planning on your part does not constitute an emergency on my part!"


Top
 Profile  
 
 Post subject:
PostPosted: Thu Oct 01, 2009 11:15 pm 
Offline
This space for rent
User avatar

Joined: Thu Feb 08, 2007 12:40 pm
Posts: 5455
Location: Melbourne
TheMiniMan wrote:
i`m not a fan of small bores cause,,, well,,, they`re small


:lol:

See, that's it right there :D They're that much more satisfying when you actually do get them to go like stink 8) Anyone can stroke a big bore, but not everyone can get 70 BHP out of one litre ;)

(wait, was that a prediction? Why yes, I think it was :lol: )

_________________
Simon

The adventures of an owner builder in the Tallarook Ranges

Image


Top
 Profile  
 
 Post subject:
PostPosted: Thu Oct 01, 2009 11:16 pm 
Offline
1098cc
1098cc
User avatar

Joined: Wed Aug 26, 2009 11:28 pm
Posts: 1550
Yeah thats cool, no worries.

And yes it is a total pain in the arse when people missread/don't read my long winded posts too. I don't write them for the practice! :lol:. And no worries on the helping out others bit, just doing what I can to give people even more food for thought so they can get even more confused :lol: No no no, I recon there is nothing more precious than knowledge (well except maybe money.. and women.. and cars.. and guitars... and boobs and), so you if you've got it, capitalise on it enough not put food in your mouth and then share it. Thats what makes us humans the dominant species and stops the french taking over.

[quote="TheMiniMan"]

.....my problem is "time" & yes i do keep getting battered by the masses about taking so long but maybe some day people might realise that i do actually (or try to) have a life as well as minis , as well as my Twinkys :-)

[/quote]

Carefull, your starting to sound like my old man. He, ironically, is/was another goodfornothingsmartarsebackyardminimechanic/Engineer. He let it get away from him for too long and he ended up hating the WHOLE scene that much that he sold his business and went into "hiding" and only shows up in these crowds once in a blue moon. Its taken me 20 years to drag his arse back into the game, and he still only watches from the outside, shame really. Hate to see the same thing happen to you. I like you, your good value, you keep it real you don't talk to much sh1t. I don't live in QLD so I don't want to have to dirve up there to drag your arse back into it one day :lol:


Top
 Profile  
 
 Post subject:
PostPosted: Thu Oct 01, 2009 11:22 pm 
Offline
1098cc
1098cc
User avatar

Joined: Wed Aug 26, 2009 11:28 pm
Posts: 1550
[quote="sgc"]
See, that's it right there :D They're that much more satisfying when you actually [i]do[/i] get them to go like stink 8) Anyone can stroke a big bore, but not everyone can get 70 BHP out of one litre[/quote]

Yeah your right. Not every one can get 70 out of a litre. I can get 85 @ 6000. But not 70. Its probably because I use copper head gaskets right? :wink: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol:


Top
 Profile  
 
 Post subject:
PostPosted: Thu Oct 01, 2009 11:24 pm 
Offline
This space for rent
User avatar

Joined: Thu Feb 08, 2007 12:40 pm
Posts: 5455
Location: Melbourne
Phat Kat wrote:
Not every one can get 70 out of a litre


70 at the wheels? You're doing well ;)

_________________
Simon

The adventures of an owner builder in the Tallarook Ranges

Image


Top
 Profile  
 
 Post subject:
PostPosted: Thu Oct 01, 2009 11:29 pm 
Offline
Supercharged
User avatar

Joined: Mon Oct 13, 2008 3:09 pm
Posts: 1246
Location: Adelaide
matt,
i find your posts pretty hard to read, or at least digest all of the information contained within them.

i think maybe because you are trying to impart too much knowledge about too many things all at once.

what you have done with the bmw heads is to be commended by everyone in the mini community.

and i think your first results from this basic smallblock twinky are impressive.

if only more people in the mini community were like you creating things to benefit the whole,

instead of selfishly using the community and ausmini for their own entertainment at the expense of others, slagging off people and businesses they probably know nothing about and generally being negative and putting down other people and their hard work.

i am only sorry i am not in the market for one of these heads, as i think you and others that create these sorts of things deserve to be successful at it.


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 51 posts ]  Go to page 1, 2, 3, 4  Next

All times are UTC + 10 hours


Who is online

Users browsing this forum: BBY755 and 79 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Jump to:  

© 2016 Ausmini. All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.