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Forced Induction Beginner, F22B5 Project.

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Old 08-14-2012, 01:42 PM
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Default Forced Induction Beginner, F22B5 Project.

First post, Having a look around the Honda forums you guys and girls seem alot more knowledge about modifications and cars in general than the likes of other sites I've been to, namely Mercedes-Benz where nothing can be done "On the cheap" and "OE Spec" parts are a must, I rate neither BMW Or Mercedes-Benz anymore. My Honda ownership so far has been pleasant, minus the frustration I had with the captive rotor design. Parts online have been very cheap due to the fact it's the sister car to the Rover 600 partly. So all the wishbones, brakes etc are brand new, she's done 80k.

So after getting rid of my 99' C280 Elegance Auto, I now have what I believe to be a CE1 Accord with a ~150HP F22B5 Non Vtec, SOHC , it's an Euro Engine as I'm in the UK.

I'm looking to do a little project, I've never done a turbo conversion or had a petrol car running a turbo, only diesels I'm afraid so go easy on me. I don't have mega bucks to spend and I'm only looking to gain a bit of experience, knowledge and ~70-100HP.

My car is running LPG (Propane Multipoint Injection) and runs very well on it, including flashlube currently on 2.5mm nozzles Max 3.8mm, my vapouriser can handle 300hp and runs another Lexus LS430 I have fine.

So I've been looking and can get a 4 branch exhaust manifold suitable for a T3/T4 Garrett Turbo quite cheap imported from the states. I wish to run stock internals.

Is a 7PSI boost from an external wastegate 38mm an acceptable boost, this is a daily driver and I need reliability. I understand the general formula is about 10HP per 1PSI of Boost, therefore I'm likely to get 70HP or around 220hp?

Is it essential to run a intercooler and being a budget project what is the best way to fabricate a charge pipe yourself?

Is it best to T the oil feed off the Oil Pressure Sensor hopefully ebay list such a fitting. I will drill and tap the pan for a direct feedback, again a good place in the UK to get such fittings would be helpful?

The only thing I'm struggling understanding is, once the air filter has been gotten rid of how do you get filtered air through the turbo? If I need to change my petrol injectors? and what is needed to program the ignition and fueling on my current ECU to deal with the boost and a rather stupid question, but can I keep my stock exhaust? See I want boost, but I want a very plain looking car without much noise. A sleeper if you will.... to really surprise people when they try and overtake me....
Old 08-18-2012, 06:10 PM
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Default Re: Forced Induction Beginner, F22B5 Project.

Originally Posted by CE1Wagon
First post, Having a look around the Honda forums you guys and girls seem alot more knowledge about modifications and cars in general than the likes of other sites I've been to, namely Mercedes-Benz where nothing can be done "On the cheap" and "OE Spec" parts are a must, I rate neither BMW Or Mercedes-Benz anymore. My Honda ownership so far has been pleasant, minus the frustration I had with the captive rotor design. Parts online have been very cheap due to the fact it's the sister car to the Rover 600 partly. So all the wishbones, brakes etc are brand new, she's done 80k.

So after getting rid of my 99' C280 Elegance Auto, I now have what I believe to be a CE1 Accord with a ~150HP F22B5 Non Vtec, SOHC , it's an Euro Engine as I'm in the UK.

I'm looking to do a little project, I've never done a turbo conversion or had a petrol car running a turbo, only diesels I'm afraid so go easy on me. I don't have mega bucks to spend and I'm only looking to gain a bit of experience, knowledge and ~70-100HP.

My car is running LPG (Propane Multipoint Injection) and runs very well on it, including flashlube currently on 2.5mm nozzles Max 3.8mm, my vapouriser can handle 300hp and runs another Lexus LS430 I have fine. I cannot comment here, I know very little about LPG injection, so my information is not going to account for this or anything... sorry.

So I've been looking and can get a 4 branch exhaust manifold suitable for a T3/T4 Garrett Turbo quite cheap imported from the states. I wish to run stock internals.

Is a 7PSI boost from an external wastegate 38mm an acceptable boost, this is a daily driver and I need reliability. I understand the general formula is about 10HP per 1PSI of Boost, therefore I'm likely to get 70HP or around 220hp? Going by pressure is not really the best since it is relative to the turbo size. You including the hp though makes it possible to more accurately say you should not be pushing it to run 220whp, given you have a proper tune/ management.

Is it essential to run a intercooler and being a budget project what is the best way to fabricate a charge pipe yourself? It is possible to not run an intercooler on some applications but honestly I would. It will let you cool the air charge and be more reliable without the higher intake air temps. CXracing or similar offer decent quality piping and piping kits to piece together your own charge piping.

Is it best to T the oil feed off the Oil Pressure Sensor hopefully ebay list such a fitting. I will drill and tap the pan for a direct feedback, again a good place in the UK to get such fittings would be helpful? Cannot help here since I am not in the UK but yes you could T into the oil pressure sensor for your feed. I would assume buying over the internet the proper bspt fitting to thread into the block would be possible. An alternative to that is to use an oil filter adapter that has a port for adding a fitting/ line... this is the method I use personally and works very well. I would recommend a Golden Eagle oil adapter but many brands are out there for this.

The only thing I'm struggling understanding is, once the air filter has been gotten rid of how do you get filtered air through the turbo? You would need to make an intake pipe and put an air filter on it, or you could put an air filter directly on the turbo if there is space for it. If I need to change my petrol injectors? Yes, you would need a larger CC flowing injector if your current cannot add enough fuel to compensate for the added air. and what is needed to program the ignition and fueling on my current ECU to deal with the boost and a rather stupid question, but can I keep my stock exhaust? You would need some form of fuel management to be able to get a proper tune/ tuning. There are a number of options. I would suggest you look in your area to find a tuner first and see what they suggest/ tune on. Naturally you need to have someone to tune the car and would want to use a management they are familar with/ recommend. You could run a stock exhaust but as part of putting the turbo on the car you will have to have a downpipe made to match up to the exhaust. See I want boost, but I want a very plain looking car without much noise. A sleeper if you will.... to really surprise people when they try and overtake me....
No offense but I would take some time to read up on turbo basics. That will help you become more comfortable with the modifications you need to do, how the system will work, etc. Especially since this is your daily and you need it to be reliable.
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