Proby
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| posted on 21/10/12 at 06:14 PM |
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Blade 919 Carb to Fuel Injection in prep for turbo
I'm starting to write a shopping list for converting my 919 blade to fuel injection. The intention is to turbo the engine as a second stage
later on.
Before I even start, I have been trying to research the limitations of my setup.
Is my live axle F27 going to be capable of handling 200hp of turbo blade engine (whether I can handle it is another question!)
Ultimately, I would love IRS (I build a Westfield SEi previously and know the ins/outs of live v IRS), but I love the predictive handing of my 27, and
love the chassis.
My list is as follows for parts:
Set of 954 throttle bodies, complete with injectors, injector loom & TPS.
Inlet manifold - Self fab job to mate throttle bodies to 919 block.
Return fuel line to tank.
Fuel injection spec fuel pump.
Plenum chamber of some sort with air filter to suit. (maybe fit for future turbo install)
Megasquirt ECU to run it all, then learn to map it??
What else do I need or is that about it?
Chris
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mark chandler
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| posted on 21/10/12 at 10:07 PM |
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You will need the carb rubbers for the engine and the Throttle body rubbers as the spacing is different, apart from that your list looks complete.
I run the blade sparks and just squirt
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Proby
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| posted on 22/10/12 at 06:48 AM |
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Thanks Mark, I never thought about the throttle body rubbers, will add it to my list. I never thought about leaving the stock ignition control and
just controlling the fuel with a megasquirt, even easier! Will start buying some bits and pieces to get started!!!
[Edited on 22/10/12 by Proby]
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mark chandler
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| posted on 22/10/12 at 02:06 PM |
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When you want a map ping me, keep under 8psi and do not touch the engine, just optimax required.
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Proby
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| posted on 22/10/12 at 04:12 PM |
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Thanks Mark, what do you reckon for the turbo? I can get my hands on a TD04 from a UK spec impreza? Should be comfortable at 7/8 psi?
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Proby
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| posted on 27/10/12 at 09:25 AM |
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Right, after some more part searching, anyone know the difference between 929 and 954 throttle bodies?? Are there any advantages of using one over
the other??
Thanks again!
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mark chandler
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| posted on 27/10/12 at 11:35 AM |
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Mine has 954 tb's because they were cheap on eBay, the injectors are good to 200bhp as that what mine makes so extra savings.
Cannot comment on the 929's they may be the same thing, they may have the same injectors.
NB/ I run mine upside down to keep things under the bonnet, does not seem to affect anything.
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Proby
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| posted on 27/10/12 at 01:01 PM |
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Missed out on some 954's for £35 earlier in week. I want to get hold of some this week so I can start fabricating an inlet.
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Proby
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| posted on 23/3/13 at 05:18 PM |
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Ok, I'm slowly making progress on this, thought I'd post it on this thread to try and keep it all together.
I'm planning my fuel setup. I'm going to use the current low pressure bike pump to feed a swirl pot, and then a high pressure inline
pump to feed my throttle bodies.
The question is, do I put my swirl pot at the rear above the fuel tank or squeeze it in the engine bay? Does it really matter? Looked at a few
setups on other (non 7) cars and all seem to vary.
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dave_424
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| posted on 25/3/13 at 01:28 PM |
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From what I have seen, people do either one or the other.
I am converting my 1998 ZX9r to megasquirt injection and ignition in preparation for turbo. Do you have a suitable trigger wheel on your crank for the
megasquirt? or are you going to feed it off an ignition coil?
If you have any questions about the process of converting to injection and turbo charging feel free to ask, I have been doing a monumental amount of
reading on megasquirt and turbo bike engines
Dave
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mark chandler
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| posted on 25/3/13 at 01:43 PM |
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Mine keeps the bikes ignition system complete, I take the rpm from the bikes ECU to trigger megasquirt.
I tried taking from the coils, was unreliable and had to play about with the 'dave' resistor from memory.
[Edited on 25/3/13 by mark chandler]
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Proby
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| posted on 25/3/13 at 02:56 PM |
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Thanks, as Mark did (I'm copying his throttle body set up!) I plan on keeping the stock Honda ignition, controlled from ECU pulse, and just use
the megasquirt for fuel. The swirl pot might be going above the back axle on top of the fuel tank then, bit more room!
[Edited on 25/3/13 by Proby]
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Opirun
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| posted on 31/3/13 at 08:19 PM |
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Hi, I am new to the forum and planning my first BEC kit build. I am looking at carbed engine to start with due to cost reasons. Just wondering how
your carbed blade was for you, as I am looking at different engine options and not sure which way to go at the moment. Thanks.
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Proby
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| posted on 31/3/13 at 08:41 PM |
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Hi,
My carbed blade engine is great, I also built a Westfield few years back with a carbed blade. Engines are bullet proof if looked after, and great
value for money. Compared to today's super bike engines they are a bit low on power (125 ish bhp), but coupled with a light kit, perform very
well.
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mark chandler
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| posted on 31/3/13 at 09:02 PM |
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Carbed blade is still a quick car, better on short tracks and will hit 125mph.
Just pay attention to car weight, small and light so original locost not Haynes IMHO.
Blade is also well geared for a BEC install so a 3.65 diff on 185/60/13 will see top mph at peak rpm 
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Opirun
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| posted on 1/4/13 at 03:57 PM |
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Sounds good, I am going to start looking around for engines and see what I can find.
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