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benefit of removing front bonnet rubber seal. 

 

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 Post subject: benefit of removing front bonnet rubber seal.
Posted: Tue Oct 11, 2005 3:16 pm 
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Hi guys.
a couple of days back I decided to remove the rubber strip infront of the engine bay. {the one that goes over the intake snorkle}.
To my surprise it made a big difference to the engine bay then the was it was before.
Since I removed it, the engine is alot cooler now, I can touch the manifold premium, T/B, intake pipes with out any heat. usually when I left the bonnet up my eyes goes watery from the rediant heat.
My temp gage usually sits on the 1/4 mark, now its almost between Cold & the 1/4 mark.

the only thing I'm worried about now is, getting dust on my spark plug leads.

 

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Posted: Tue Oct 11, 2005 3:20 pm 
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You sure the weather hasn't just cooler, or you are driving in different conditons like less traffic.

Maybe your radiator is not so good.

 

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Posted: Tue Oct 11, 2005 3:51 pm 
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sounds good, but your prolly letting more crap into your engine bay

 

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Posted: Tue Oct 11, 2005 3:57 pm 
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That's defectable as well. Having said this, im contemplating removing mine. There is a reasonable amount of ambient heat generated by the supercharger - it would be good to get it out of the bay as opposed to have it soak into the engine componentry....

 

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Posted: Tue Oct 11, 2005 7:44 pm 
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4.9 EF Futura wrote:
That's defectable as well. Having said this, im contemplating removing mine. There is a reasonable amount of ambient heat generated by the supercharger - it would be good to get it out of the bay as opposed to have it soak into the engine componentry....


*I alwas carry a heavy load all the time. 200-400kg of cement base, 5x20ltr of of sealer, 5x20 ltr of modifier, 85 kg air compressor, plus 60 to 100kg of tools. add it up & I'll probablem over the recommended GMV weight of the ute.
*XR6 & 8 don't have that seal in place.
*Alot of stop & go at traffic.
*even better on highway driving, thats when I really notice the drop in the temp gage when I checked the oil level at the servo yesterday. the only sign of heat was from the extractor heat sheild when I place my hand over it. not touching it of course.
*less heat, no pinging or knocking, more timing advance= more power
*more heat, more heat stress more ping & knocking, more timing retart= lost of power.

 

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Posted: Tue Oct 11, 2005 8:03 pm 
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Can anyone else confirm that XR6 and XR8 dont have this?
If it's factory backed then might be a good thing.

 

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Posted: Tue Oct 11, 2005 8:41 pm 
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My fairlane doesnt have it and it's the tickford vct 6. My car has never had a heat problem but still gets too hot to touch.

 

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Posted: Tue Oct 11, 2005 8:49 pm 
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AU-MUSTD wrote:
My fairlane doesnt have it and it's the tickford vct 6. My car has never had a heat problem but still gets too hot to touch.
it'll be to hot to touch the headers, we're refering to heat radiation & its effect it did to intake system. I can touch the rocker cover for a few seconds with out going "f**k!!" *#%!@# as it was before.

 

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Posted: Tue Oct 11, 2005 9:17 pm 
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G'day guy's, Doesnt the rubber seal help direct fresh air to the cold air intake, unless you have another intake pipe set up wouldn't you be reducing the pressure fed cool air intake. I realise reducing engine bay temperatures is benificial I just dont know what trade off is occuring by removing the rubber seal.

 

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Posted: Tue Oct 11, 2005 9:53 pm 
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I agree Wagondad.

 

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Posted: Tue Oct 11, 2005 10:26 pm 
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WagonDad wrote:
G'day guy's, Doesnt the rubber seal help direct fresh air to the cold air intake, unless you have another intake pipe set up wouldn't you be reducing the pressure fed cool air intake. I realise reducing engine bay temperatures is benificial I just dont know what trade off is occuring by removing the rubber seal.
hehehe, actually I have another intake tube channelled between the headlight and radiator with a 4x6" metal plate as a deflector.

I think its more of a weather strip and aerodynamics then anything else. just have to look inside my old TE cortina engine bay after 1 year of no cleaning.

I rekcon there will be more pressure build up in the bay now with the air rushing in & pushing hot air throu the back of the hood & under the body, also increasing air speed & pressure into the intake. colder engine/intake means more hp. Besides, the knock sensor won't interfere if the engine is colder.

 

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Posted: Tue Oct 11, 2005 10:38 pm 
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Spork wrote:
Can anyone else confirm that XR6 and XR8 dont have this?
If it's factory backed then might be a good thing.


my XR6 has the seal
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Posted: Tue Oct 11, 2005 10:58 pm 
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4.9 EF Futura wrote:
That's defectable as well.


how is it i cant see how??
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Posted: Tue Oct 11, 2005 11:05 pm 
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shoey50 wrote:
4.9 EF Futura wrote:
That's defectable as well.


how is it i cant see how??



the rules unfortunatly are not based on any form of common sence
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Posted: Wed Oct 12, 2005 12:26 am 
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take ff the rubber seal that seals at the rear of the bonnet ontop of the firewall heaps better and water seem to get "pushed up" by the warm airflow :)

 

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