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PostPosted: Fri Aug 26, 2005 8:55 am 
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998cc
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Joined: Wed Aug 18, 2004 2:41 pm
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Location: ACT
I reiterate SG's question what motor. Is it the 3 cyl turbo daihatsu CB70 Thing??? Either way bloody nice and very neat well done.

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PostPosted: Fri Aug 26, 2005 9:13 am 
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Joined: Fri Mar 19, 2004 6:19 pm
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Location: near Baulkham Hills, NSW
I think he said before- it's a Honda City Turbo... :wink:

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PostPosted: Fri Aug 26, 2005 11:01 am 
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998cc
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Joined: Mon Oct 25, 2004 7:17 pm
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Location: Bundaberg, QLD
Anouther one of my silly questions... How much power does the Honda City Turbo Produce... & what mods has it got?

Oh & By the way that looks bloody F***n awesome...

its in a roundy toooooo

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PostPosted: Fri Aug 26, 2005 6:31 pm 
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1275cc
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Joined: Sun Mar 21, 2004 10:28 am
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Location: Wollongong
The City Turbo 1 was manufactured from 1981-83, the Turbo 11 was manufactured until 1987. Both models featured a digital speedo surrounded by a Tacho so that all relative information could be taken at a glance. The last run of Turbo 11s had a normal speedo/tacho assembly. The motors in both models were essentially the same. Both models were powered by an all alloy 1237cc motor with CVCC (we'll get to that), IHI RHB51 turbocharger, multipoint fuel injection and a magnesium rocker cover. Compression ratio was down to 7.5:1 and the boost was wound up to 12psi, fairly high for a factory turbo car. The Turbo 11's were intercooled, had a revised intake plenum, slightly larger throttle body, modified inlet manifold, higher AR turbo compressor and exhaust housings as well as a slightly raised (7.6:1) compression ratio. Both motors have the same sort of power potential.

CVCC

CVCC is a system used by honda to reduce emissions by stratifying the combustion charge. In the City Turbo the throttle body appears much like a 3 barrel downdraught carby. One barrel has a very small port size and actually houses a single injector. This port leads to a separate set of intake runners which provide fuel to each of the CVCC valves located within a combustion prechamber. The combustion pechamber is actually seperated from the main combustion chamber by a perforated collar. A rich mixture of fuel and air are added to the combustion prechamber which also houses the spark plug. This is ignited and creates a single flame front out of the prechamber. While this goes on the main combustion chamber is fed fuel via sequential multipoint injectors in the same manner as most modern EFI cars. The only difference is that in City turbo motor this is a relatively lean mixture, not easily ignited by a spark plug alone. The flame front from the prechamber is used to ignite this lean mixture. Apart from decreased emissions and increased fuel economy this stratified charge helps to ward off the killer of many turbo engines, DETONATION. Detonation occurs when two flame fronts (or shockwaves) collide in a standard combustion chamber. One is caused by the spark plug, the other is caused by the high pressures, friction and shockwaves on the other side of the cylinder igniting an easily combustible mixture. Detonation can also be caused by superheated carbon particles or sharp edges in the combustion chamber that can operate like a glow plug in a diesel engine. Stratified combustion such as the CVCC system makes this second front less likely to occur as the lean mixtures in the main combustion chambers are hard to ignite.

Performance of Honda City Turbos is really up to the individual owners. The standard Turbo 1 produces 100hp and has a top speed of 179km/hr, the Turbo 11 produces 110hp and has a top speed of 175km/hr (lower top speed due to spoilers and body flares). When you do get them going with a few modifications you will soon find the digital speedo maxes out at 180 while the revs continue to climb. The braking system is very capable for such a small car. Honda raided the parts bin and the front brakes are the vented disks and callipers straight of the Prelude from the same era, rear brakes are stock city items.

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PostPosted: Fri Aug 26, 2005 7:18 pm 
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848cc
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Joined: Wed Nov 24, 2004 5:17 pm
Posts: 84
Location: New Zealand
Thanks guys, i have spent a few hours on this as im sure some of you will now what its like trying to fit something that wasnt made to be there.
In saying that i think its a very straight foward conversion(so far!) with having to only trim inner gaurds and front panel to get it in the hole ;gear selecter is straight foward (standand honda rods/lever shorted by 2") plus with having the complete honda (brought for $50!) ive got the bonus of the wiring loom and front disc calipers brakes etc.
There heaps of info on these Honda's @ www.cityturbo.com were 13sec did the copy paste from :wink:
The thing mounted on the fire wall is a vacumn box which house's the maps sensors etc ,looks a mess i know but ive made a custom cover that covers it so you dont see it.
I will try and put more info up on a webpage when i have abit more time for those interested.

Cheers


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PostPosted: Fri Aug 26, 2005 11:09 pm 
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Joined: Wed Sep 08, 2004 9:27 pm
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Location: Wodonga - Vic/NSW border
neato!! go the hondas :D

love the comment in brad's copy-n-paste about the spoilers and bodykit giving it a lower top speed - show that to the ricers ;)


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PostPosted: Fri Mar 03, 2006 8:13 pm 
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1275cc
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Joined: Fri Jun 17, 2005 10:31 am
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Location: Burpengary, Queensland - Home of Tricky Performance Engineering
Mymini,

How is the Honda City conversion coming along?

We have not had an update for a while and thought it might be time for a catch up.

Post back and tell us all how good Honda's really are.

Cheers,
Andrew

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PostPosted: Sat Mar 04, 2006 11:58 am 
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848cc
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Joined: Wed Nov 24, 2004 5:17 pm
Posts: 84
Location: New Zealand
Hi Andrew
Very slowly , have been busy with other things over the last few weeks.Im waiting on my front hubs/brakes to be finsihed so then i can get drive shafts and a few other bits and pieces finshed but need hubs back first.It only needs exhaust, and a fuel line connected and it shoud fire up.
Ive been cleaning up the interier and mounted seats (CRX) and made a dash, not really happy with the dash ,its a bit boring looking but there is probally alot more i could do with it.
Ive also spent abit of time cleaning some of the wiring loom up and making mounts for ecu etc behind the dash.
Ordered a new grille and front bumper yesterday so should see that mid next week.
Ill post a few pics.
Thanks for your interest.

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PostPosted: Sat Mar 04, 2006 1:07 pm 
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1275cc
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Joined: Sat Mar 05, 2005 11:00 am
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Location: coffs harbour
that is TIDY :shock: :D
top job so far mate!


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PostPosted: Sat Mar 04, 2006 1:54 pm 
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1360cc
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Joined: Thu Feb 03, 2005 1:41 pm
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Location: Rockingham - Collie WA
8) Woohoo :!:

Lookin good.

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PostPosted: Sat Mar 04, 2006 8:33 pm 
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998cc
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Joined: Wed Jul 20, 2005 8:23 pm
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Location: Concord West, NSW
Impressive, keep up the good work.

Dan


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PostPosted: Sat Mar 04, 2006 8:59 pm 
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1098cc
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Joined: Mon Oct 10, 2005 5:48 pm
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Location: Brisbane, QLD
cool beans...did you get that engine reco'd? coz it looks like new :P i wish my 4efte looked that good :P

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PostPosted: Sat Mar 04, 2006 9:12 pm 
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848cc
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Joined: Sat Jan 28, 2006 2:58 am
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Location: england
MINT.....The dash looks really nice as it is. Less is more :D

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PostPosted: Sun Mar 05, 2006 6:17 am 
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848cc
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Joined: Wed Nov 24, 2004 5:17 pm
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Location: New Zealand
Thanks Guys
The motor is taken straight out of the donor car ,nothing done to it as yet.Ive only heard it run for less than 2 minutes with no exhaust on, so im hoping its ok.Ive got another motor there if it turns out the one in the car needs work ill get the other one reco'd and mod it abit.Yeah the dash is plain , i made it out of mdf and put a stainless steel look film on it, was thinking i might mount a monitor in there later on.

Craig


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PostPosted: Sun Mar 05, 2006 7:13 pm 
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1275cc
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Joined: Fri Jun 17, 2005 10:31 am
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Location: Burpengary, Queensland - Home of Tricky Performance Engineering
Yeah good stuff Craig,

I wanted to see how far you had progressed, and by the looks of things, its all going along nicely.

I cant wait to see it on the road and see how it performs.

Once again, its good to see someone else doing something a bit different.

Top marks!!

Andrew

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