Megasquirt B18FT

For those of you not faint of heart, who believe the Volvo 480 should have more torque and horsepower, find all you need to know in here.

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BNZ
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Post by BNZ » Tue Sep 02, 2008 1:09 pm

Same here,started to mount the wires on my engine.
A big THANKS to gixfighter for sharing the msq,so now i have a base for tuning and could allso use the car meanwhile !
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martinholmesuk
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Post by martinholmesuk » Tue Sep 02, 2008 1:23 pm

No need for MAF! Megasquirt in most setups uses MAP sensor and IAT
YAY! Thank god for that mate. I have MegaJolt for my Spitfire which I'll be fitting soon. It's only for the ignition but can be setup to a fuel ecu (+MS) like what your installing.
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clio turbo
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Post by clio turbo » Tue Sep 02, 2008 6:06 pm

sounds a good idea
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clio turbo
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Post by clio turbo » Tue Sep 02, 2008 8:00 pm

wot firmware do i need to install?
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Post by 480_rocket » Tue Sep 02, 2008 8:18 pm

clio turbo wrote:wot firmware do i need to install?
What Megasquirt have you got? Theres V2.2 and V3.0 of the PCB, and then MS1 CPU or the never MS2 CPU.
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clio turbo
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Post by clio turbo » Tue Sep 02, 2008 8:35 pm

http://cgi.ebay.co.uk/ws/eBayISAPI.dll? ... :IT&ih=019
this is wot iv just got i also need to make it run with a coil dont i?as it runs coil pack.and i have just found out it is ms1 not ms2.
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Post by 480_rocket » Tue Sep 02, 2008 10:18 pm

I'd ditch the EDIS coil pack as I believe it needs it's own Ford trigger wheel. You will need to open the Megasquirt up and possibly change a few wires inside. It says Megasquirt 2 in the ebay ad, was it listed wrong then?

If it is MS1, then check out www.extraefi.co.uk, its a pretty good site for newbies to Megasquirt and download the latest set of tools/firmware etc.
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clio turbo
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Post by clio turbo » Tue Sep 02, 2008 10:21 pm

ye iv looked in side and spoke to a few guys and its defo ms1.must get easy in time.lol
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gixfighter
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Post by gixfighter » Wed Sep 03, 2008 4:17 pm

clio turbo wrote:ye iv looked in side and spoke to a few guys and its defo ms1.must get easy in time.lol
I would order a MS2 ECU, it's plug and play with the V3 board. There are many advantages with a MS2 ecu and many different settings so you can't use my msq file for this!
Please be carefull with buying megasquirt from ebay, check www.megasquirt.info for more info. They always pretend it's MS2 but it turnes out to be MS1.

Good luck megasquirting your B18FT!
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gixfighter
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Post by gixfighter » Wed Sep 03, 2008 4:45 pm

I forgot about this, I will probably do it. It should be fine for doing comparisions on different modifications. At the moment I'm only running 4psi of boost, but I should see some difference after I change the cam shaft (either good or bad!).
You probably will see a good result, because of the low boost, 4psi isn't very much. Running at 15psi will probably give you completely different results as the longer valve overlap will cause the boost to exit through the exaust valve before it closes. That's what I'm afraid of, but I don't know any specs of the stock B18FT camshaft nor the B18E camshaft, anybody?

Why are you running at only 4psi?

[/quote]
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Post by 480_rocket » Wed Sep 03, 2008 8:44 pm

gixfighter wrote:
I forgot about this, I will probably do it. It should be fine for doing comparisions on different modifications. At the moment I'm only running 4psi of boost, but I should see some difference after I change the cam shaft (either good or bad!).
You probably will see a good result, because of the low boost, 4psi isn't very much. Running at 15psi will probably give you completely different results as the longer valve overlap will cause the boost to exit through the exaust valve before it closes. That's what I'm afraid of, but I don't know any specs of the stock B18FT camshaft nor the B18E camshaft, anybody?

Why are you running at only 4psi?
[/quote]

At the moment I'm running 4psi to fine tune the ignition map. Getting knock at 4psi is a lot safer than at 15psi!

I seem to remember using some software from a long time ago for analysing camshafts and their effect. I'll see if I can dig it up.
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gixfighter
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Post by gixfighter » Thu Sep 04, 2008 3:16 pm

You can use this ignition map:

Image

I'm running this map and didn't experience any knock up to 1,2 bar (17,4 psi)

Maybe you can get some more power when you fine tune this map, but I doubt very much as it is doing at least as much power as with the Rica chip i also have.
Renault 19 Convertible with 480Turbo Engine Megasquirted and soon being supercharged
Renault 5 GTE with 480Turbo engine: Rusted

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Post by 480_rocket » Thu Sep 04, 2008 4:29 pm

I'll try that map, but it doesn't look very wild compared to many examples I've seen from other similar 8v turbo engines...but then you say its the same as the rica so I'll have to see.

And I've read some stuff up about the B18E camshaft and I don't think it will be suited at all. I don't want the hassle of having to swap the original back in. I read on volvo300mania that " he B18E opens the inlet valve at 16 deg btdc and then closes at 64 deg abdc (I do not have the exhaust times) and provides a lift of 10.49mm. "
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Ettore Bugatti
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Post by Ettore Bugatti » Thu Sep 04, 2008 5:22 pm

The cam specs are also on this forum including exhaust spec :wink: . The Turbo cams (there are 2 versions) are around 245 degrees and the B18E is around 260 degrees.

I tend think you need a different cam when you approached the 200hp level.
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clio turbo
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Post by clio turbo » Thu Sep 11, 2008 5:04 pm

480_rocket wrote:Image
how have you wired the ignition?do you still use the module?as it has a 4 wire plug
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gixfighter
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Post by gixfighter » Sun Sep 14, 2008 7:57 pm

yknot wrote:thanks a lot, great info, i have upgrade my ms2 to extracode :wink:


ignition imput capture: falling edge?.... i was convinced that rising edge is the right option... but i'm just assuming and your MS is running :D

i need to read parts of the manual again.
an one more thing.... the autotune option has dissapeared in extracode.... i'm right?

best regards,
Florian
Florian,

You are right about the input capture, it should be rising edge instead of falling edge. I went through that part of the manual today and found out that the falling edge setting is wrong. Anyway, I didn't notice any change in performance on my engine after changing it.....

I also did some VE-table fine tuning last week, updated my msq file here:

http://members.home.nl/klusbedrijfwildejong
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Renault 5 GTE with 480Turbo engine: Rusted

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Post by 480_rocket » Mon Sep 15, 2008 11:02 am

This is the flywheel sensor if you read the signal from EZK pin 23.

http://volvo480.dragons.org.uk/forum/vi ... hp?t=14907
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Post by 480_rocket » Mon Sep 15, 2008 2:22 pm

:angry: New Innovate LC-1 has a different issue now, Error 8 and AFR going all over the place. Should have bought an AEM as I've just about had enough.
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Ettore Bugatti
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Post by Ettore Bugatti » Mon Sep 15, 2008 2:33 pm

Is the power supply sable enough?
Peak voltages can cause some to the sensor
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Nissan Micra 1.0 Nismo, feb 2006-
Rover Mini 1000, june 2009-
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Post by 480_rocket » Mon Sep 15, 2008 2:54 pm

The first one worked fine for about 2 weeks, then went totally dead, not any sign of life. I think my sensor may have been damaged when I drove it around a bit with no power applied.
'92 480 Turbo, full leather and air con

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