Vehicle & Technical > Discovery

V8 Tune ? PLEASE HELP

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andrew2986:
OK,
Ive just had quite a bit of engine work to my disco.
Im abroad at the mo so haven't actually driven the thing since its had all the work done to it, however the mechanic is now saying it could now do with "setting up properly as it feels down on power" suggesting I take it to RPI as he doesn't have the facilities to do it. (i dont want to do this, although RPI was were the cam came from)
Its had a better cam and some modded heads put on it.
Now I thought on a 3.9 efi other than good plugs and air filter, that was all you could do, or am I missing something?
The EFI Brain sorts out the required fuelling isn't this so? Does it need an amount time to learn if its had stuff changed? (none of the mods have been that drastic, and if any one wants I could detail them later)

It's running 32" tyres and since fitting them has, I think been a little over geared, (I have a fix for this, with a set of 4.11 ring gears fitted to a pair of ARB's  soon to go in)
plus it's a heavy old bus, with 4 lpg tanks and loads of stuff in the boot (inc a replacement 1.4:1 transfer box that i was going to fit to sort the gearing but am now changing the diffs instead)

It might all be fine, and im sitting 3000 miles away worrying needlessly about all the money Ive just waisted on my disco and when I get home it will all be ok.

If it does need setting up as such is there anyone in the Essex area could help? I dont mind paying to get it right.

Ive always done all the work to my disco and have learnt loads about it in the 4 years Ive had it.

Im so [!Expletive Deleted!] off right now ! And am tired of all the excuses that mechanics keep coming out with.

Anyway, fellow mud-clubbers! Help a V8 owner out here! I want it right, please help.......

Andy

piggysteve:
Andy, I'll have a word with number one son Chris when I see him tomorrow, he might know somebody

Steve

andrew2986:
Hi Steve,
Miriam drove it home for me last night, Im on a show in Egypt at the mo. The car broke down once on the way home ! (a mate of mine went out and got her home).
Also the mechanic has screwed up the brakes as well.  when it was running Mim nearly stuffed the Disco into the back of someones car. She says theres no peddle pressure and sod all brakes !!. He re-bled the system to renew all the fluid but i dont think he did it properly (its got ABS).
plus he has knackered the A/C rad as well.

Ah well, Im home on Sat, will go over the car then and see what is what. dont think I will ever trust another mechanic though....

Andy

piggysteve:
Andy Have'nt seen Chris yet but have seen this for sale, seems he's talking of a different ecu to run on lpg

andrew2986:
Been home since Sat now... well [!Expletive Deleted!] off. car runs like a pig...seems to be running very rich on petrol.
just spent an hour re-fitting all the lpg system and re-conecting all the wires the chap left hanging off and have managed to get the LPG system running now. but not well.
Ive got a sequential LPG front end to go on it but need to get this one running properly first.
Going down to pipe craft tomorrow see if they can sort out the exhaust, no point trying to sort out the tune if thats no good...

Andy

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