Tomorrow....

DreXeL

DreXeL

DreXeL

Man of Honour
Man of Honour
Joined
18 Oct 2002
Posts
12,264
Location
Cotswolds
...I'll be dropping the 'teg into Performance Autoworks to have the cams dialled in and the S300 mapped. They said they'll have it overnight, but I won't be picking it up till thursday due to my shifts at work.

So two days without the car, but will hopefully be worth it :D
 
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My guess is it'll be somewhere in the region of 230-240bhp, but with the area under the curve significantly improved over a stock ITR.

That's what I'd like to see anyway.
 
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No it's running fine, they are just set to stock timing so I'm not getting the full benefit from them yet.
 
Tim said:
Sounds bad but i'm going to ask:o:(
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I gave them a call about an hour and half ago because I hadn't heared anything, they said 'not good I'm afraid'...

Basically, VTEC isn't engaging. It's actually losing power at the point when VTEC should be coming in. He said the solenoid is working, but VTEC just isn't mechanically kicking in. He said he is going 'do a few more checks' and get back to me.

What an absolute waste of ****ing time and money.
 
Oil pressure is a possibility, but pressure has always looked good on my guage.

I haven't been near VTEC since fitting the S300 because it was just on a base map.

I must admit even with the old ECU there has never been a real VTEC kick, I put this down to the B20 having more torque off VTEC than a standard car, which I assumed was making the changeover less noticable.

Having said that, it certainly didn't feel as if it was actually losing power....
 
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neil-ste said:
I have my P73 without immobiliser sitting about not being used, you're welcome to try it.
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Thanks, I might take you up on that.

TBH though I'm not convinced it's an ECU problem, my 'VTEC YO' light is changing colour so the ECU is outputting the signal. Also, the garage are convinced it's just not mechanically changing over.
 
Simon said:
Regardless of conjucture. Honda make some of the best engines in the world.
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Indeed. I honestly wish I had just bought a stock engine when the cambelt went. There is one for sale on the ITR forum for a bargainous 1250 delievered. That's less it cost for the top end rebuild on mine.
 
neil-ste said:
Yeah, saying that if the solenoid is activating then it seems to be all working. The rockers have sort of sliding pins inside them that lock the followers together when they get oil pressure behind the, if the cambelt has broken is it feasable the rockershaft has bent and the pins can't slide?

Did you bend valves when the belt went?
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Yes, all valves were bent, so that makes perfect sense.
 
If the rockershaft is bent, shouldn't Powerstation have picked up on that when they rebuilt the top end?

Do I have a realistic chance of getting them to replace it, seeing as the work was warrantied?
 
They put it on the dyno and spent ages fiddling with the cam-timing because it wasn't making great power, 'flat as a pancake' was the description. They ended up setting the cams to standard Toda settings and said power was down due to the cams needing to be dialled in at the same time as mapping it. I was on the stock ECU at the time so they couldn't do it.

But by the looks of it VTEC was never kicking in, they were barking up the wrong tree (or knew it was a VTEC issue and just fobbed me of......)
 
I'm definatly going to be giving them a call after Performance Autoworks have checked all the usual VTEC problem areas.

At the end of the day me and Si paid nearly 1400 quid for that job, and by the looks of it the job wasn't done properly.
 
ScoobyDoo69 said:
I'd get on the phone to them ASAP and speak to Richard the manager, he's a reasonable guy and I feel with the necessary proof of it being their fault, he will help you out.
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To be fair they are a good bunch in my experience and I've never had any problems with them or thier work before. I'm hoping they'll be reasonable.

I wish I had known about Performance Autoworks at the time though, the car would have went striaght there :(
 
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Because it happened about 5-mins from Powerstation, and bar a main stealer I didn't know of any Honda specialists near me :(
 
thepharcyde said:
Did you not rebuild your Rex?
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Yep. The reason I didn't DIY it in the first place was:

A - I had very little knowledge of the engine.
B - Si had offered to pay half the costs anyway.

However, if I get no joy with PS, I'll be pulling it apart and DIY-ing it this time.
 
Well, the plot thickens.

Just spoke to them, and the first thing they did was check all the obvious things like VTEC solenoid and it was all fine.

Turns out VTEC is engaging, but when it engages the car loses power. They experimented by setting the VTEC point really low (3k), and sure enough, as soon as VTEC engages it loses power. The same story when they set VTEC really high (7k). He said they tried mapping it out but it's not making any difference.

Just bizzare :confused:

I'm leaving the car with them but as they are busy they won't be able to look at it properly till next week sometime.
 
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AFAIK only the valves (and guides obviously) were replaced, I don't think anything else was replaced.
 
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