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Classic Range Rover Chat specifically relating to Classic Range Rover and derivatives. (1970-1995)

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  #1  
Old 26th July 2011, 04:49 PM
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Extractors! I want them!

ok boys and girls!
Its time to upgrde my RRC (its been 5 days!). Ive been told a good set of extractors does amazing things. Has anyone got any recommandations of brands/ where to locate a set??

Cheers NAT
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  #2  
Old 26th July 2011, 07:29 PM
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Dont waste your time
I have them and apart from the extra little bit of noise no increase in power at all. This on 2 of my rangies
The standard headers are just as good.
Save your money and spend it on a stainless steel exhaust system much better
Brad..... owner of classic rangies since 1984
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Old 26th July 2011, 07:57 PM
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Just spoted a set in the "markets" section(Engine parts).
Didn't open the add but worth a look.
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Old 27th July 2011, 06:57 PM
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You won't get a massive increase in power but your fuel economy will certainly get better!

There's a number of Ebay mobs selling some, and they come up regularly second-hand on there too.

Possibly won't join to your standard system either so may need to modify that too.
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Old 27th July 2011, 07:01 PM
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x2 on the "dont waste your time"

Best option is the standard square shape headers, with the double outlet.
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Old 29th July 2011, 10:03 PM
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As said the double outlet cast manifolds are just the same (4-2-1) excepting the size maybe.
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Old 29th July 2011, 10:59 PM
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Quote:
Originally Posted by clubagreenie View Post
As said the double outlet cast manifolds are just the same (4-2-1) excepting the size maybe.
Just have all the rough casting inside cleaned up and have them matchported to the head.


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Old 2nd August 2011, 06:10 PM
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I also make the point that they're a waste of money. I only put a set on my last Rangie (89 Vogue) because the extractors on it were cracked at the join. Couldn't see the point in going backwards but still at nearly $1K for a new set inc. fitting and new muffler, y-piece, etc.. it's steep

On the contary, they do make your straight through exhaust sound superb

Trav
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Old 3rd August 2011, 05:15 PM
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Quote:
Originally Posted by aquarangie View Post
I also make the point that they're a waste of money. I only put a set on my last Rangie (89 Vogue) because the extractors on it were cracked at the join. Couldn't see the point in going backwards but still at nearly $1K for a new set inc. fitting and new muffler, y-piece, etc.. it's steep

On the contary, they do make your straight through exhaust sound superb

Trav
That lovely system is coming off this weekend to be replaced by a stock system... to go with the now stock equiped (but still dented) Rangey Vogue!
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Old 16th August 2011, 07:04 PM
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extractors/headers

Quote:
Originally Posted by Rangey89 View Post
That lovely system is coming off this weekend to be replaced by a stock system... to go with the now stock equiped (but still dented) Rangey Vogue!
A common misconception about extractors, headers and manifolds is their name! Extractors have long matched length primary pipes that usually go 4 into 1. Headers are tubular with much shorter primaries and go 4 into 2 into 1. Extractors are good for top end horsepower in a race motor. Headers are better for low to mid range torque. Extractors only work well with a matched inlet, as the scavenging effect will suck alot of unburnt fuel into the exhaust actually costing horsepower and economy. Also your primaries should be no bigger internally than the exhaust valves. They also like a 2 1/2" single system.
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