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Author Idea to remove flatspots
MikeH
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Registered: 3rd Apr 03
User status: Offline
23rd May 03 at 16:29   View User's Profile U2U Member Reply With Quote

They occur when you have been building up engine heat and then stop at traffic lights.... you loose the flow of cold air through the engine bay and there you go... flatspot.

Would it be a good idea to wire a switch into the radiator cooling fan? Then you could flick it on if you wanted to introduce more cold air into the engine bay?

Just an idea....
Dave Hay
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Registered: 10th Apr 02
Location: Aberdeenshire
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23rd May 03 at 17:51   View User's Profile U2U Member Reply With Quote

people do that lol

but you really dont need to if your fans in good working order

just make sure you have a nice cold air feed for induction side.
LoudandProud
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Registered: 12th Jan 01
Location: Stanway, Essex
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23rd May 03 at 17:54   View User's Profile U2U Member Reply With Quote

build a metal shielding round the air filter and run a decent sized cold air feed, should do the trick!
d0gz_bollox
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Registered: 8th Apr 02
Location: Walsall
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23rd May 03 at 18:44   View User's Profile U2U Member Reply With Quote

you could use a chargecooler
MarkM
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Registered: 11th Apr 01
Location: Liverpool
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23rd May 03 at 18:51   View User's Profile U2U Member Reply With Quote

You could build a freezer in your engine bay!!

d0gz_bollox
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Registered: 8th Apr 02
Location: Walsall
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23rd May 03 at 18:59   View User's Profile U2U Member Reply With Quote

oooh interesting theory.


please elaborate
Korsa
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Registered: 25th Jan 03
Location: Cardiff S.Wales Drives :Blue/Purple Corsa
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23rd May 03 at 21:48   View User's Profile U2U Member Reply With Quote

naa u get the penguin problem then
MikeH
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Registered: 3rd Apr 03
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24th May 03 at 00:05   View User's Profile U2U Member Reply With Quote

I thnk a freezer requires a sealed insualted boundary layer around the themodynamic area in question

its not practical in real terms.....
Stoneyginger
Premium Member

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Registered: 25th Jan 01
Location: Stonehaven, Aberdeenshire
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24th May 03 at 00:07   View Garage View User's Profile U2U Member Reply With Quote

on hot days have your heaters full blast out the window
IntaCepta
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Registered: 25th Mar 02
Location: Mill Hill East, Greater London
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24th May 03 at 04:51   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Stoneyginger
on hot days have your heaters full blast out the window

lol i do the same...anything to keep it under 100c
Sam
Moderator
Premium Member


Registered: 24th Dec 99
Location: West Midlands
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24th May 03 at 06:54   View User's Profile U2U Member Reply With Quote

Cold air feeds do help:

Mikorsa16v
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Registered: 2nd Sep 02
Location: Burgess Hill, West Sussex
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24th May 03 at 10:31   View User's Profile U2U Member Reply With Quote

how do u find induction works on ya engine sam? isit a 1200 16v?
TOMAS
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Registered: 7th Aug 02
Location: Nottinghamshire
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24th May 03 at 11:19   View User's Profile U2U Member Reply With Quote

Just ripped the Piper X induction cone off my 1.2 16v, sold it and put the standard airbox back on! Its much better with standard kit, pulls a little harder. Ok so i dont get that little throaty noise but i dont care. My personal oppinion is that they are a waste of time on anything less than a 1.6 and i wouldnt bother unless i had a 2.0. Granted if one had a mappable ECU so that it could be tweaked to accomidate the induction kit it probably would be ok on a smaller engined car. Just my oppinion guys....
MikeH
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Registered: 3rd Apr 03
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24th May 03 at 13:21   View User's Profile U2U Member Reply With Quote

I did notice an improvement after fitting mine.
It would raise the rpm when trying to flog it up a hill, whereas with original kit it would run out of power completely!
TOMAS
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Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline
26th May 03 at 21:18   View User's Profile U2U Member Reply With Quote

Raise the RMP going up a hill? You sure you clutch isnt slipping?
MikeH
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Registered: 3rd Apr 03
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26th May 03 at 21:56   View User's Profile U2U Member Reply With Quote

No, i just mean it was accelerating!
miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
26th May 03 at 23:52   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by MikeH
They occur when you have been building up engine heat and then stop at traffic lights.... you loose the flow of cold air through the engine bay and there you go... flatspot.

Would it be a good idea to wire a switch into the radiator cooling fan? Then you could flick it on if you wanted to introduce more cold air into the engine bay?

Just an idea....


That would simply cool the coolent and not the air. If anything it would draw air in from outside of the engine, pass it through the hot rad and heat it up!

As soon as you start moving there will be cold air.
20valver
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Registered: 14th Sep 08
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29th Sep 08 at 14:08   View User's Profile U2U Member Reply With Quote

you could try using the resonator this helps induct more air on the induction cycle, the resonator is a boost bottle like you use on 2 stroke engines
i used this for heat shielding the airbox




alan-g-w
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Registered: 9th Nov 07
Location: Glasgow
User status: Offline
29th Sep 08 at 17:29   View User's Profile U2U Member Reply With Quote

20valver - show us a picture of your engine bay, not your sandwiches
andyc1234
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Registered: 7th Nov 06
Location: Lancashire
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29th Sep 08 at 17:33   View User's Profile U2U Member Reply With Quote

ha. here we go again....
20valver
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Registered: 14th Sep 08
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29th Sep 08 at 17:36   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by alan-g-w
20valver - show us a picture of your engine bay, not your sandwiches

Kurt
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Registered: 23rd Oct 05
Location: Hi
User status: Offline
29th Sep 08 at 17:38   View User's Profile U2U Member Reply With Quote

FUCK OFF!
sand-eel
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Registered: 15th Mar 07
Location: carluke/braidwood--IRNBRULAND
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29th Sep 08 at 17:42   View User's Profile U2U Member Reply With Quote

you have a wooden engine bay?
andyc1234
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Registered: 7th Nov 06
Location: Lancashire
User status: Offline
29th Sep 08 at 17:43   View User's Profile U2U Member Reply With Quote

wtf really do you think polishing it is going to do you muppet
alan-g-w
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Registered: 9th Nov 07
Location: Glasgow
User status: Offline
29th Sep 08 at 17:49   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by sand-eel
you have a wooden engine bay?


lol.

I don't think this guy even owns an engine, let alone a car. All we've had is random images of random parts in no particular order.

Once again 20valver - Show us a picture of your car's engine bay, we'll see how nice it is.

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