Sean
Member
Registered: 14th Sep 10
Location: Eastbourne, BN23 7AZ
User status: Offline
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I have decided don't want to put the xe into my nova standard after all the work I have done to it so ill be doing basic tuning to it, cams pulleys and carbs or tb's to be exact.. But I can't make my mind up what ones to go for? any help on this would be much appreciated. Also if I do go for carbs what is a decent set up and should I go for twin 40's or 45's? What are the pros and cons. Cheers 
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Darryl H
Organiser: South Central
Premium Member
Registered: 19th Nov 09
Location: Camberley Drives: Porsche 944
User status: Offline
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Throttle bodies seem to be the best to go for but cost quite a bit more.
Bike carbs sound a bit unreliable compared to twins. But I've never had any so I can go only go on what I've read!
Also some peoples views will differ...
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AndyCorsaSport
Member
Registered: 12th Feb 06
Location: Horsforth, West Yorkshire
User status: Offline
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TB's. mate of mine works for a company making TB's and he raves like mad about em. Had a 106 GTi on tb's and he also has one. Sound amazing and great power gains.
For example:
106 GTi - 120bhp
With cams/exhaust looking 140/150bhp
With cams/exhaust and throttles looking around 170-180. Mine was 173bhp.
I'd expect a healthy XE with exhaust cams and throttles to see around 200bhp??
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Corsa-Mitch
Member
Registered: 10th Dec 11
User status: Offline
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Throttle bodies! A set of jenvey and omex went on the bay last week for £900!!
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GB123
Premium Member
Registered: 21st Nov 11
Location: Kent
User status: Offline
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TB's will see you a lot more power.
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Sean
Member
Registered: 14th Sep 10
Location: Eastbourne, BN23 7AZ
User status: Offline
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Awesome, cheers guys really appreciate the help. Will have to keep an eye out if some pop up on eBay
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AndyCorsaSport
Member
Registered: 12th Feb 06
Location: Horsforth, West Yorkshire
User status: Offline
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Ill have a word with my mate. See if he can help.
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davegreen
Premium Member
Registered: 20th May 12
Location: Oxfordshire
User status: Offline
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throttle bodies! not fun in traffic though as they like to be reving and under load especialy with big cams.
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possy
Member
Registered: 10th Feb 10
Location: wigan bhp vaux
User status: Offline
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i am on tbs and there great and they dont need seting up every mornig just turn the key and away you go and tbs will be better on fuel than carbs too you will get a good setup like mine for around 2k
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corsatdi
Member
Registered: 7th Nov 10
Location: Kent
User status: Offline
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You can have the brand new set of bike carbs from my cbr 600 for free.....
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corsadonk
Premium Member
Registered: 4th Jul 09
Location: Marlborough, Wiltshire
User status: Offline
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Has to be throttle bodies. My old Jenvey tapers drove just like a normal car, they are great. I've also had R1 carbs you never can get them to work perfect in every day driving. I sold my old TB set for £1300.
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monkeytwizzel
Member
Registered: 10th Aug 11
Location: Chard, Somerset
User status: Offline
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A set of good throttle bodies with a aftermarket ecu bud,will be easier to re-adjust the ecu for any other mods that you do.Bike carbs seem to be the cheapest option but possibly slighly more power to be had from the webbers or dellortos but most power and drivability is from throttle bodies(jenvey).
Have fun listening to them whatever you deside.
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Jed D
Member
Registered: 15th Mar 11
Location: Durham
User status: Offline
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it'll be a huge money pit to get a set of bodies doing it rite, constant mapping aswell...
my mates got over 15k in a xe on bodies and he's still having troubles. think his are jenvys with DTA managent and loom, cosworth pistons and some £££ head work... still hasn't got much better times on the strip that it did as a practically standard engine with bodies
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AndyCorsaSport
Member
Registered: 12th Feb 06
Location: Horsforth, West Yorkshire
User status: Offline
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quote:
Originally posted by Jed D
it'll be a huge money pit to get a set of bodies doing it rite, constant mapping aswell...
No it won't. And why would it be constant mapping? Mates had his for around 2 years now and is still running fine and hasn't been remapped since. And it's used for racing.
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corsadonk
Premium Member
Registered: 4th Jul 09
Location: Marlborough, Wiltshire
User status: Offline
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He's taken it to the wrong place Jed.
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Jed D
Member
Registered: 15th Mar 11
Location: Durham
User status: Offline
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quote:
Originally posted by corsadonk
He's taken it to the wrong place Jed.
RS and steve boy
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possy
Member
Registered: 10th Feb 10
Location: wigan bhp vaux
User status: Offline
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Steyboy is good wouldnt let rs map a wheel barrow rs did ste powels tigra and it made more power than speckys so it got mapped down and i have heard the mess they made of allan duffys map to and chris at efi who maps mine bigrons and a few others sorted it out
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tobyc20xe
Member
Registered: 28th Jun 12
Location: bradford
User status: Offline
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But for price V power you get cabs must win? seens a good 2nd kit go for £500 not long ago were as TB's are like £900+ 2nd hand and would still need mapping ect?
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Jed D
Member
Registered: 15th Mar 11
Location: Durham
User status: Offline
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aye well steve done a lot of the engine work and tbh he's done a good job, it shit the bed at PVS but i did warn him to run it in a bit more (new build). crank bearings where completely gone after it spat an oil line (dry sump) but that in itself is a different issue 
iv heard similar stories of RS too
think it did 232bhp and cant remember the torque figure but it was pretty good, however he was expecting 280bhp'ish
think cams is next as you'd know yourself possy 
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davegreen
Premium Member
Registered: 20th May 12
Location: Oxfordshire
User status: Offline
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i got my throttle body kit from QED for around £1400, jenvey dth, loom, dta s40pro ecu, software, dis pack. adjustable fpr, choice of 40mm or 60mm ram pipes. time i had got all the other parts, linkage, pipe work ect came to around £1800, got a 20bhp gain on the engine with flowed head, cams and 4branch allready so took it up to 186bhp (its an x20xev) drove great flew through mot's and good mpg averaged 28mpg on vpower. now with cosworth 12-1 high comp pistons and bigger kent cams its up to 226bhp, mapped at stealth racing as dta say vince is the best in uk for live mapping of the dta ecu's. hasnt cost me to much to bulid, maybe £6k all in for the engine and mapped. more is availible with bigger cams and cnc head work, larger valves and better exhaust system. i know a 20xe with the same £ spent would be 250+bhp but i like what ive got.
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possy
Member
Registered: 10th Feb 10
Location: wigan bhp vaux
User status: Offline
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With my new ported polished head plus 2mm oversized cams ect big cams should be running around 250 to 260 hp all will be good then and all what is holding me back is my ashly manifold going for a sbd one when i can afford it as they are quite dear
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jrdn7
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Registered: 14th Feb 11
Location: Ireland
User status: Offline
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TB's have been used on most of the rally cars I've worked on, carbs are cheaper (in some instances) yes but they require tweaking at every service at a rally, don't know what it would be like on the road but I'd imagine carbs would have to be tweeked every now & then.
@Possy John Reid Racing Products do really, really nice stainless 2.5" manifolds for the C20XE, but they're about £500. I put a RWD one on a C20XE in a MK2 Escort, lovely. I think they do one for FWD too.
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