1st stupid question?????

[fastwill99]

OK, as above, I'll be the 1st to ask a stupid question!! I presume by downloading the Ralliart Rom (from the downloading section) and flashing it onto my car, it will be better than the map on my Evo 7 (non Ecuteked) + show an improvement? If so, whats the difference between the "Ralliart Rom 90550001" and the " Ralliart Rom ( Tephra V5.10) 90550001"???

Cheers

Will

[bloke101]

no question is stupid if you dont know the answer.

: )


i dont know the answer


*edit, aaaaw allow html, or is it a bandwidth thing?

[Cossie1]

the 90550001 rom, is the basic Ralliart Rom, which should give you a nice gain (when you fit a decat, walbro and up the boost).

It should be good to hold around 1.6bar as it is, but as ever get it checked on a dyno for det, and fueling.

The 90550001 Tephra v5.10 is the same rom, but with Tephra Patch added to it, so you get the launch control, map switching, No lift to Shift, Flashing cel on knock etc etc

[fastwill99]

no question is stupid if you dont know the answer.

: )


i dont know the answer

Thanks for that !! :lol:

Im guessing its a stupid question for the super geeks:D

[fastwill99]

the 90550001 rom, is the basic Ralliart Rom, which should give you a nice gain (when you fit a decat, walbro and up the boost).



2nd Stupid question!! Can the boost level not be set higher when you flash the ecu?? I only ask this because when Xtreme fitted the XT330 package to my car, I have receipt saying the boost level was raised. They did not charge for this, so it was not ecuteked. Ive already got a decat, so what would I gain without any more bolt-on parts?

Cheers

Will

[Cossie1]

You can raise the boost level as high as you want.

You have to remember what the turbo and the engine is capable of holding though.

As for the boost cut limit, the max is 319%, if you have a car that is in that area, and does hit boost cut, then you can adjust the delay timer to get around the issue.

[Lee5]

You can raise the boost level as high as you want.

You have to remember what the turbo and the engine is capable of holding though.

As for the boost cut limit, the max is 319%, if you have a car that is in that area, and does hit boost cut, then you can adjust the delay timer to get around the issue.

I would lower the boost limit a tad just to be on the safe side.

Just so you have a margin for error.:D

Lee

[fastwill99]

But what would boost would the Ralliart Rom use??? Or am I missing something here??? :lol:

[Cossie1]

The Ralliart Rom will not raise boost over stock by more than about 0.1bar.

You can get it to control boost if you know what your doing (which I don't as i've never bothered to learn about it if I am honest).

Most will use an after market boost controller anyway.

[Lee5]

But what would boost would the Ralliart Rom use??? Or am I missing something here??? :lol:


The ROM has no limit as such, so you can run what ever, but most run there cars @ 1.6 bar.

The boost cut limit is worked out on load in the ecu, If you lower the boost limit to just over the max load you hitting, then if you do over boost it will fuel cut and stop the engine going bang.

Lee

[fastwill99]

Thanks guys!

[fastwill99]

You can raise the boost level as high as you want.

How do I do this without fitting an aftermarket boost controller?? Or if I have to, are the manual ones (like Indigo GT sell) OK?? I dont want to go stupid, and I wont ever want to run high/low boost levels so dont need an expensive controller. Im a tightarse in case you haven't noticed!! :D

Cheers

Will

[Cossie1]

The dawes device will do the job.

As per the original post (not just the bit you wanted to read ;)) you can raise it as far as you want, but remember, that there are limits of what the turbo and the engine can handle.

1.6bar shouldn't be a worry for either.

Past that, and reliability could be an issue sooner or later.

[fastwill99]

Not sure what boost its running at the minute, havent got a boost gauge (dont worry, its the NEXT item on the shopping list!) but at 1.6 bar and the ralliart map, any ideas on bhp? Its already got the usual exhaust, decat, walbro + induction kit. Interested how good the Ralliart map is? I understand you erring on the side of caution + I take full responsibility for my actions :D

Cheers

Will

[Cossie1]

1.6bar should be anywhere between 350 - 370bhp depending on how well your car responds.

[fastwill99]

Thought you could get pretty much 400 with standard 7 internals?? Or is that pushing it a bit?? Or on a car mapped specifically for that car??

[Cossie1]

Thought you could get pretty much 400 with standard 7 internals?? Or is that pushing it a bit?? Or on a car mapped specifically for that car??
Depends on who you speak to, but you will need to do more than just up the boost and a Ralliart Map to safely get near 400 imo.

You would need a propper remap to do it, and probably an 8MR / Evo 9 turbo.

[fastwill99]

1.6bar should be anywhere between 350 - 370bhp depending on how well your car responds.

Finally got it on the rollers at TRL on saturday, was a bit disappointed. After flashing the ralliart rom on, uprating the fuel pump + raising the boost until it peaked at 1.5 and held 1.4bar it produced 318/286 atf. Any ideas why this could be lower than expected?? (the car came with the XT330 package from extreme so Ive apparently lost power! :lol:). The AFRs were fine if a little rich and no signs of det. Also the peak torque was produced at 4250rpm which Matt thought was a bit high??

Cheers

Will

[Cossie1]

Can you post the graphs up ?

[fastwill99]

Give me half an hour to get home + take a pic of them

[Cossie1]

ok mate

[fastwill99]

Actually Ive got my camera with me! Here they are

[Cossie1]

It's not going that rich until after it's hit peak torque.

[Cossie1]

Can't see it that well on the 2nd graph, but the boost does look like it's coming in late.

What are you using to control the boost ?

[fastwill99]

Dawes device

[Cossie1]

They are usually very good at getting the boost to come in early.

Maybe your actuator is a bit tired or the turbo itself ?

[fastwill99]

It feels ok, Stevie + Mark at Unit 8 seemed to think it was in good condition?? Matt suggested possibly going back to the original map, would that be running too lean at this sort of boost??
Cheers

Will

[Cossie1]

It feels ok, Stevie + Mark at Unit 8 seemed to think it was in good condition?? Matt suggested possibly going back to the original map, would that be running too lean at this sort of boost??
Cheers

Will
If it feels good, then leave it as is.

I wouldn't just flash the original back in, and run it at the same boost as you are now, unless you can check the fueling out straight away.

[fastwill99]

It feels a bit better than it did, which makes me think it was running nowhere near the 330 it should have had! But I take it something along the way isn't quite right?

Will

[Cossie1]

Something seems to be stopping it coming on boost early like it should do.

Could be worn actuator, turbo, a boost leak

[fastwill99]

Would a boost leak seem likely if I told you that with the dawes device fully screwed in (ie highest boost setting) it only just about hit 1.6 bar?

Will

[Cossie1]

YES

My dawes wound right in with the nut still on, gave me circa 1.85bar on stock turbo.

With the nut removed it was approx 1.95bar.

[fastwill99]

I hope it is a boost leak rather than a tired turbo, but surely the boost measured would be after the leak so something else must not be right??

[Cossie1]

Boost measured is the boost the engine is seeing.

However if you have a leak somewhere then your turbo could be spooling up and producing 1.8bar and only holding 1.4/1.5 bar, this will be why it kicks in late, as it's lost 0.3 - 0.4bar during spoolup

[fastwill99]

Boost measured is the boost the engine is seeing.

However if you have a leak somewhere then your turbo could be spooling up and producing 1.8bar and only holding 1.4/1.5 bar, this will be why it kicks in late, as it's lost 0.3 - 0.4bar during spoolup

Surely even though its producing 1.8bar and leaking, the engine is still seeing 1.4/1.5bar so the figures should be better, losing boost or not? Or am I missing something again :lol:

Cheers

Will

[Cossie1]

Surely even though its producing 1.8bar and leaking, the engine is still seeing 1.4/1.5bar so the figures should be better, losing boost or not? Or am I missing something again :lol:

Cheers

Will

The engine gets the boost, but it gets it late in the rev range.

So it doesn't make as much power

[fastwill99]

So you would say it definately looks like a boost leak??

[Cossie1]

I'd say it's your best hope ;)

Deffo a good chance there could be a leak somewhere mate.

[fastwill99]

Yet again, thanks mate!

[Cossie1]

No probs mate