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 Post subject: Time to Megasquirt?
PostPosted: Fri Jun 25, 2010 1:44 pm 
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Location: Aloha, OR
I'm having driveability issues that I'm pretty sure are injector related. I've got injectors that work, but they're WAAAAY too big for LH to compensate for, and I can't afford to buy new injectors, nor have a (stock!) set cleaned when I'm only going to replace them anyway.

So I'm very seriously contemplating pulling my 245 off the road for a short while to just megasquirt the bitch. I've got a box, wiring harness, and most of the other parts I need to complete a full squirt and spark setup. The only thing I think I'm missing is a proper TPS - and I can probably just hit up a JY and find a 3.1 TB and TPS for cheap. So how long do you think this would take? I've got one of these (link) and both the laptop and box are loaded up with the latest software, so mainly it'd be disassembly, wiring and crimping/soldering to get a basic setup and the car running.

Weekend? Day and a half? Better part of a week? What do you think? Anyone want to help?

If I get the title for the other 245 this/next week sometime, I'll have another car to bomb around in (and I may be swapping some springs into) so parts and accessory runs won't be a problem.

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 Post subject: Re: Time to Megasquirt?
PostPosted: Fri Jun 25, 2010 11:01 pm 
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Location: Oregon City
Any interest in a set of stock injectors from a turbo?

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 Post subject: Re: Time to Megasquirt?
PostPosted: Sat Jun 26, 2010 10:46 am 
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ecow wrote:
Any interest in a set of stock injectors from a turbo?

I've got a set of greentops. AND I picked up a resistor pack from a turbo as well - so I *could* just splice that in and call it a day.

However, I swapped an engine once because I blew a headgasket. And this is looking to be about the same kinda deal. For just a tad more effort, I could have a MUCH better solution.


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 Post subject: Re: Time to Megasquirt?
PostPosted: Sat Jun 26, 2010 1:35 pm 
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Location: Oregon City
I can totally understand going for an upgrade while you are under the hood. I just swapped in some brown tops since I had the engine out of the car :roll:

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 Post subject: Re: Time to Megasquirt?
PostPosted: Tue Jul 27, 2010 11:27 pm 
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volvogeek wrote:
IThe only thing I think I'm missing is a proper TPS -

FWIW, I have a MS2 setup in my 1980 Scirocco and the only thing the TPS gets used for is flood-clear, which can easily be turned on with some simple wiring and a toggle switch. All my AE settings are MAPDot, no issues at all.
volvogeek wrote:
Weekend? Day and a half? Better part of a week? What do you think? Anyone want to help?

I would plan on a solid half-day to wire and install, then at least a day to do some basic tuning. Ignition will be the biggest pain, but if you can find a stock map for your engine it make the whole thing easier. Check over on msruns.com , someone may have posted something that will help.

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 Post subject: Re: Time to Megasquirt?
PostPosted: Tue Jul 27, 2010 11:38 pm 
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twardnw wrote:
volvogeek wrote:
IThe only thing I think I'm missing is a proper TPS -

FWIW, I have a MS2 setup in my 1980 Scirocco and the only thing the TPS gets used for is flood-clear, which can easily be turned on with some simple wiring and a toggle switch. All my AE settings are MAPDot, no issues at all.
volvogeek wrote:
Weekend? Day and a half? Better part of a week? What do you think? Anyone want to help?

I would plan on a solid half-day to wire and install, then at least a day to do some basic tuning. Ignition will be the biggest pain, but if you can find a stock map for your engine it make the whole thing easier. Check over on msruns.com , someone may have posted something that will help.

Thanks for the info, I decided to go ahead and do it last weekend and am in the process of prettying up the block and leftover wiring so I can have a nice clean slate to start from. After I get that all done and most of the misc stuff I need, I'll repost in here with any issues I might be having. I'd LOVE to start it up first try after getting things wired and powered on, but I'll be realistic. :)


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 Post subject: Re: Time to Megasquirt?
PostPosted: Tue Jul 27, 2010 11:48 pm 
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figure out your base fuel settings, and then go a little lean from there. So much better to start lean and not run right away, than rich and have to pull plugs to dry things out (been there, got the t-shirt :lol: )

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 Post subject: Re: Time to Megasquirt?
PostPosted: Wed Jul 28, 2010 4:09 pm 
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Location: SE PDX-Hawthorne
What are you going to do once you bend those skinny rods and fry the M46? :mrgreen:

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 Post subject: Re: Time to Megasquirt?
PostPosted: Wed Jul 28, 2010 8:41 pm 
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1harribert wrote:
What are you going to do once you bend those skinny rods and fry the M46? :mrgreen:

Getrag in the garage and an I5 on the stand. :P

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[ Richard Langis ] [ '83 245 DL | '82 242 | '01 LGT ]
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 Post subject: Re: Time to Megasquirt?
PostPosted: Mon Aug 02, 2010 9:11 pm 
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I know there are lots of guys that have done MS in the area, but i've BTDT and its a great great thing.

You will wish you had done it much sooner!

I have lots of bits you may or may not be interested in, B230 manifold with TPS and wiring, B230 cold side tube with intake air temp sensor and a custom fitting to install a LH CLT in the head.

I also have some fuel maps, but fueling is easy enough to figure out.

Good luck!

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