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These are usually heart breakers, standard cars rarely break the 165 mark on there. Generally speaking, they'll read 10-15bhp lower than most other dyno's. If you crack 200 on these you're doing well. Marc1330's for instance only made 190 on ITB's and 421's. (But that's not been mapped by me)

You could see on the graph where they worked and where they hindered (where the graph would climb, then drop, then climb and drop, at regular intervals) but over 4.5k it's got over 160lb-ft. But there's no way it would've made the peak torque figure it did without them.

ALD Head is about £400? And all he did was a bottom end refresh, so probably £5-600. (I'm talking parts cost only btw) non vvt 421's are £600, ITB's+management ~ £2k.

Certainly your design if not yours.

ALD heads are certainly worth the money!

It's competing in the tricolour trophy next year I believe :)

Must be your magic wand you waved over the flywheel lol!

I know, I was impressed myself. The head has been skimmed, but that won't bump the compression up that much. It was loving the ignition advance though. Just keep asking for more! I was expecting doubt, hence posting the picture of the temp readings to show they weren't fiddled with. The total...

Cracking result for this customer, vehicle was brought to me to fit a bottom end he had rebuilt. Head came from ALD, with supertech's, bottom end was just new rings and a hone with ARP rod bolts. Has non-VVT 421's, ITB's with ludicrous long trumpets (silicone hose extensions) and mapped by...

The crank pin can go in the wrong hole. As there is a balance hole not far from the locking hole. I'm with bloke on this, I reckon you got the balance hole.

Change it to coil pack.

It'll control fuel flow (via injection duration) ignition timing, boost control, Rev limit, cold start enrichment etc, literally everything you need for running.

No, just cut/splice into the loom. So it's piggy back to the oem ecu

I'd use the 172 one. Won't leak oil everywhere then

Best option is finding a mapper and getting them to do the mapping. Installing is very easy (about 12 wires on an SPI)

Have a look for evolution chips. The files I've seen on other cars(I even use them for my diesel stuff) and they've been utterly superb. Even just the generic stuff is faultless. So if you have a dealer for them locally, go for that. Kenny/stu are 2 of the biggest names in remapping industry...

I've got a guy locally who does mine, he's far from cheap, but he is the dogs kahuna's when comes to JC's.

You should be ok dan as they are the proper ones not ktec, so they are aimed at the grill.

Come to think of it, the lambda could well have been starting to play up, which would explain why the afr's were so different when you had it at SRR and when it came back to me.