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Dec 22, 2004 18:57:37 GMT
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Rite chaps here we go again, after purchasing an exhaust my dad and decided to start he's anti K&N campagin. So whats the best step forward?? Dads complaint is the K&N is doing nothing for the car and is just drawing cold air in, making the car not run properly. Is there any other type of Filter that'll do a better job or is it a case of hunting down an original X-Flow Ford Air Cleaner!?
Over to you guys....
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If I Need To Explain, You Won't Understand AHM and Proud!
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Dec 22, 2004 19:11:03 GMT
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Colder induction air is denser, meaning that you get more oxygen in your cylinder which is a Good ThingĀ®.<br> You just need to get the engine set up correctly.
Much as if you got new carb trumpets or a new exhaust manifold, you would get the engine set up to accept the changes.
*n
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Top grammar tips! Bought = purchased. Brought = relocated Lose = misplace/opposite of win. Loose = your mum
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Dec 22, 2004 19:17:35 GMT
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I'd agree with that, a bit of tinkering aught to get it running a little better, try to get it running richer (ie more fuel going in) if too much air is getting in, that should balance it out a bit.
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"He's not the messiah, he's a very naughty boy!"
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Rob
Posted a lot
You know, for kids!
Posts: 2,515
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Dec 22, 2004 19:31:33 GMT
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yup!... my a-series was a curse word when i fitted a k&n - it needs more fuel... dunno what carb's on it but SUs need a richer needle fitting too . . .
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Dec 22, 2004 19:33:17 GMT
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Is it fairly easy to get it to run a lil richer?? as in i could do it lol!
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If I Need To Explain, You Won't Understand AHM and Proud!
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Dec 22, 2004 19:34:43 GMT
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Is it fairly easy to get it to run a lil richer?? as in i could do it lol! You mean wazz round to Scott's house and get him to do it?!
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Dec 22, 2004 19:41:04 GMT
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Hehe - how comfortable are you playing with carbs?
Basically, the K&N is designed to draw cooler air into the engine so that you can get more oxygen (due to it being denser) and also it means that you can put more fuel in there too. All these combine to mean that you get a bigger explosion and thus, more power.
*n
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Top grammar tips! Bought = purchased. Brought = relocated Lose = misplace/opposite of win. Loose = your mum
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Dec 22, 2004 19:42:29 GMT
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I take it you have carbs on it? If so there is often a little screw or similar on the body of each carb, sometimes underneath I think, and when you turn them one way it gets richer, one way it gets leaner. Do you have a manual or anything that describes the tuning of those carbs?
What kind of carbs are they anyway? Weber?
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"He's not the messiah, he's a very naughty boy!"
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Dec 22, 2004 19:43:49 GMT
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Yeah whatever Nick, Scott don't touch Fords really does he.... Your just upset that i blagged ya on ebay with the Specials Patch! haha
HMM sounds like fun, well i collect my car tomorrow freshly fitted with my exhaust so i'll speak to my mech and see what he says.
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If I Need To Explain, You Won't Understand AHM and Proud!
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Dec 22, 2004 19:50:53 GMT
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First time I've ever come across someone who's anti-K&N! As has been said - cold air is a good thing! There are other brands like Pipercross but they all do pretty much the same thing. You might just need to adjust the carb to accommodate the denser air. Is it a Weber twin choke jobby on the X-flow? 28/32 DGAV or similar Should be lots of tuning info out there on t'internet for those carbs. My brother's a Ford guy - I'd ask him but he's not around . Keep trying to get him to join RR!
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Dec 22, 2004 20:05:53 GMT
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Revolution, yeah its a 28/36 downdraft Webber (so the ol' man says). Had a lil browse in the ol Haynes manual and sussed out the screw that increases richness.....
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If I Need To Explain, You Won't Understand AHM and Proud!
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Dec 22, 2004 20:20:01 GMT
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Yep - just increase it a little at a time until its running smoothly. Ideally, with a new exhaust too, you want to throw it on a rolling road for an hour or so and let someone set it right *n
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Top grammar tips! Bought = purchased. Brought = relocated Lose = misplace/opposite of win. Loose = your mum
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Dec 22, 2004 20:30:48 GMT
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I'd love to throw it on a rolling road but havnt a clue where the enarset one to me is. I'll deff have a lil play with the richness over the crimbo hols (when dad aint about, don't need him looking over me lol!)
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If I Need To Explain, You Won't Understand AHM and Proud!
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Dec 22, 2004 20:40:40 GMT
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I use K&Ns, two of 'em, one for each carb. Initially they didn't fit, as they were designed to fit onto the 'elbow' pieces that are between the carbs and filters on Stilettos and other Imps that are normally twin carbed (mine's started as a single carb equipped one, as it's a Super Imp) but I didn't have any of the 'elbow' pieces, so I spent ages cutting extra holes in the pancake filters, (you try to find something that'll fit next to a set of Strombergs in an Imp engine bay without scraping against the battery, pancakes are the only way! ) and sealing up the old ones, and now they work fine! It's just the engine they're attatched to that's done! ;D ;D ;D ;D
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"He's not the messiah, he's a very naughty boy!"
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jabbo
Posted a lot
soy un perdedor
Posts: 1,151
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Yeah whatever Nick, Scott don't touch Fords really does he.... Your just upset that i blagged ya on ebay with the Specials Patch! haha Hey I may not do Fords, but I have got a bit of a carb fetish, so I might be tempted to help out. Payment in Stella of course! ;D
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Shortcut
Posted a lot
I won't be there when you cross the road, so always use the Green Cross Code.
Posts: 3,037
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Yeah carbs are great!
Can't beat that big twin 40's sound! it's just that mine seem to go out so damn fast. Fresh off each tune up there's fantastic but a month or so later it's all gone off a bit. I guess it's the last 10% that's the hardest to get.
Can't knock K&N's, although I guess most makes are pretty much the same, any performance gain is going to be pretty marginal one brand over another!
I've got ITG sock types which get removed for fundays!
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Dec 23, 2004 18:01:43 GMT
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Jabbo, I'm sure i can send some stella ur way for any help recieved!!
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If I Need To Explain, You Won't Understand AHM and Proud!
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Dec 23, 2004 19:10:43 GMT
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The easiest way to set your carb up is to turn the mixture screw to the left untill the engine runs rough, then mark the posistion of the screw with tip-ex. then turn it to the right, again till it starts running rough, and mark this position. then if you set the screw to in between these two marks you should be running at the correct mixture. If you still have problems after that it might be time for a carb rebuild.
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Dec 23, 2004 19:55:38 GMT
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Adjusting this ''mixture screw'' is only for the idle mixture though ain't it???
Always had a K&N, only trouble I've found is when it's really cold/icy bit of a curse word with the running very first thing!!!!
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Dec 23, 2004 21:02:06 GMT
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That'll be the idle speed screw. you wanna make sure thats set up properly too, and make sure the timings bang on too. the best way, IMO, to set up the idle speed is to back off the throttle stop till its just touching the throttle shaft, then wind it in half a turn. If your timings set at 6 degrees btdc this should give you an idle speed of roughly 600 - 700 rpm. If the revs change while your setting the mixture use the idle screw to correct them.
I'm no ford expert, I work on mercedes vans for a living, this is just the way I was shown years ago and its always worked ok for me.
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