Chipping FAQ

[casioqv]

Is higher octane fuel required on LH 2.2 models (with just a fuel chip, and no EZK chip)? Have you tested these chips with the Mitsubishi TD04 Turbo? Since they produce hotter air at the same boost levels than a T3, I would expect that they would require a richer fuel map to compensate.

 

[thelostartof]

What it looks like at this point is:

Since not all cars/ECU?s have the ability to modulate the rev limiter more than a few hundred rpm?s, we are looking into a hardware solution. This includes swapping a few components (capacitors, resistors etc.) in the ECU.

I am truly sorry it is taking so long time Mike. It has proven to be harder than expected.

can you not just find a LH 2.4 ECU that you can move the limiter on or one like in your dads car and send me one of those? or hell get me the # and i will try to find one ..

 

[frpe82]

Is higher octane fuel required on LH 2.2 models (with just a fuel chip, and no EZK chip)?

No, high octane fuel is not required on the LH2.2 models, but highly recommended.

There are many drawbacks of using low octane fuel with the chips:

* You need to run more retarded timing, loosing power, efficiency and mpg.

* You can?t run very high boost, and if you wanted to, then you would have to retard the timing even more. Then it would be a useless investment and a waste of engine resources.

Have you tested these chips with the Mitsubishi TD04 Turbo? Since they produce hotter air at the same boost levels than a T3, I would expect that they would require a richer fuel map to compensate.

The chip for the LH2.2 has the same basic software layout as the LH2.4 chips, but the LH2.2 chips are made specifically for the '86-'89 700-series. So it has been covered.



These chips are not something that is only tested or made from the tests on one or a few cars. The chips sold have thousands of hours of driving/testing/dyno-time behind them, many thousands of dollars invested, they are tested and developed on many cars (50 perhaps?), and are a result of what works best on the average car in the series which the chips are made for.

The LH2.2 chips on the other hand doesn?t have such extensive testing behind it, but it is still the same engine so it is not so hard to adapt it from LH2.4 to LH2.2. Since the chips already exists for LH2.4, it only takes testing on a few cars more in order to see that it works with the older engines as well.

 

[frpe82]

can you not just find a LH 2.4 ECU that you can move the limiter on or one like in your dads car and send me one of those? or hell get me the # and i will try to find one ..

I will give you an answer to this question within a day or two. Just let me look around a little.

 

[Mathy]

Why no B234F diagram?

Hello frpe82

Could you please include a diagram for the chipped B234F which shows the increase in power and torque relativ to the non-chipped B234F?

I drive a 945 GLE from 1991 and am under the impression that it lacks torque at low rpm.

BTW will the chipped B234F still run on 95 RON gas?

Greetings

Mathy

 

[frpe82]

Hello frpe82

Could you please include a diagram for the chipped B234F which shows the increase in power and torque relativ to the non-chipped B234F?

I drive a 945 GLE from 1991 and am under the impression that it lacks torque at low rpm.

No, I don?t have a comparison diagram of that engine.

The throttle response and torque will be heavily increased (in NA terms). The torque curve is also lifted and "flattened". The torque also starts earlier in the powerband.

BTW will the chipped B234F still run on 95 RON gas?

Greetings

Mathy

In the EU: Yes, probably. The gas is of extremely good quality here (both RON and MON are relatively high numbers).

In the US: I don?t know. Try it. The worst that can happen is that it will back off the ignition curve a little not to ping.

And no, you will not save any money by running lower octane gas than the highest you can get in your area. If the car is pinging a little you will loose power because the EZK will back off the ignition curve, giving you less power, and also giving you worse fuel economy because of that.

 

[Mathy]

B234f

Hello frpe82

What do you mean by "(in NA terms)"?

I live in the Netherlands btw.

Volvo recommends 95 RON for the B234F. Would you recommend 95 RON or 98 RON after chipping? Will the engine be more prone to pinging after chipping?

I don't intend to "burn rubber" all/most of the time. Although sometimes it's nice to rev up the engine. My reasons for chipping the engine would be to get more torque in the lower RPMs and maybe lower fuel consumption. But if I have to use 98 RON to get better fuel consumption, fuel consumption would have drop quite a bit to compensate the higher price of 98 RON fuel. But I guess more torque at lower RPMs means less fuel consumption during inner city rides? (which is when a Volvo usually drinks most)

Greetings

Mathy

 

[frpe82]

What do you mean by "(in NA terms)"?

I mean that the power increase will be very good when talking percentual increase.

Volvo recommends 95 RON for the B234F. Would you recommend 95 RON or 98 RON after chipping?

I recommend 98 octane.

Will the engine be more prone to pinging after chipping?

Yes. Because the ignition maps are much more agressive.

You can clearly hear it too. It has more "growl".

I don't intend to "burn rubber" all/most of the time. Although sometimes it's nice to rev up the engine. My reasons for chipping the engine would be to get more torque in the lower RPMs and maybe lower fuel consumption. But if I have to use 98 RON to get better fuel consumption, fuel consumption would have drop quite a bit to compensate the higher price of 98 RON fuel. But I guess more torque at lower RPMs means less fuel consumption during inner city rides? (which is when a Volvo usually drinks most)

The better ignition maps of the chips will give you more power for every drop of fuel, so the fuel consumption should theoretically go down.

It is hard to keep off the right pedal when you have a much funnier car to drive though

I know I can?t keep away from using the extra power, so my fuel consumption is much worse than it use to be. You may have the disipline to do so though...

 

[thelostartof]

i just picked up a 0 227 400 214 EZK box .. should be LH 2.4

what car is it for?

 

[frpe82]

i just picked up a 0 227 400 214 EZK box .. should be LH 2.4

what car is it for?

That specific box is interesting. I didn?t think anyone over there would find one of those...

It is an EZ116K just like the other LH2.4 ignition boxes.

But that one came in these cars... I am not kidding.

Volvo 760 with B230FT (162HP), manfactured from January 1992 and up.

Volvo 850 with B5254S (170HP), manufactured from September 1991 to August 1992.

 

[thelostartof]

hm. .. i think it was a non chipable box .. i will have to double check when i get home .. the fact that it was in a 5cyl car is very interesting ... tho i have no idea where i got this ICU from ... hm

ok i lied i remember where i got the ICU

 

[740tankDriver]

That specific box is interesting. I didn?t think anyone over there would find one of those...

It is an EZ116K just like the other LH2.4 ignition boxes.

But that one came in these cars... I am not kidding.

Volvo 760 with B230FT (162HP), manfactured from January 1992 and up.

Volvo 850 with B5254S (170HP), manufactured from September 1991 to August 1992.

Is that EZK box chippable? along with 560Jettronic box.

 

[frpe82]

Is that EZK box chippable? along with 560Jettronic box.

The 560 is chippable. No problems there.

You have to ask thelostartof if his 214 EZK is chippable. I don?t know that.

Do you have one of those as well or what?

 

[thelostartof]

damnit i forgot to check this AM if it was chipable .... so are there any plus sides to having this EZK? anything fancy it can do?

 

[frpe82]

damnit i forgot to check this AM if it was chipable .... so are there any plus sides to having this EZK? anything fancy it can do?

I don?t think it is any more fancy than the European 207 and 219 EZK?s.

Well... one thing...

When you do the EZK trick by grounding pins, the ignition maps will probably look a whole lot different than the other EZK?s.

I don?t remeber what it was that made it capable of handling both types of cars, but it is one of the following alternatives:

* The chip (if removable) is different between the 760 and 850. Not very likely since the EZK number and designation would have changed if the chip was different in the 850 compared to the 760 (the EZK number is based on hardware + software + functions).

* When the EZK sees a different pattern than the 60-2 flywheel, it will change the software map and fire more often. (Different flywheel pattern with the return trigger and holes spaced differently and a different amount of holes will probably determine that).

* One or more pins are grounded to make the EZK work in the 850, or vice versa.

 

[thelostartof]

so then it works as a nice stock turbo EZk and that is it?

 

[SwedishFish]

The 207 ezk I installed yesterday is taking its sweet time to learn Fred's chip. Feels underpowered and bogs past 5k rpm.

 

[frpe82]

The 207 ezk I installed yesterday is taking its sweet time to learn Fred's chip. Feels underpowered and bogs past 5k rpm.

Then something is wrong...

Are these your current performance parts?:

hallman mbc
afe cone filter
207 EZK box and Fred's chips
15g turbo

 

[SwedishFish]

Then something is wrong...

Are these your current performance parts?:...

plus TME cat-back exhaust, Kingsborne plug wires, NGK BRP7ES plugs
boost is at 10 psi and there is an exhaust manifold gasket leaking

I think it might be that the LH was already chipped and well adjusted and I all of a sudden installed a different EZK box with your chip. It seems to have adjusted some after driving today, to around 90% of where it should be.

 

[740tankDriver]

yeah, as a matter of fact that's what under the wheel. I'd check for the, what was it? "daughterboard"?, except Just not sure the Volvo is ready for the upgrade...but if these are superb for the Volvo's gate opening then its a serious deliberation.