kev
Organiser: North East
Premium Member
Registered: 16th Jun 09
Location: Newcastle
User status: Offline
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ive just bought a 4-1 sportex 4 branch 
and want to heat wrap it (black) how many metres do i need to be safe?and were how much of the 4 branch do i wrap? like the whole thing??? also i have got a mantzel power box fitted will a 4-1.. 4branch be ok mod along with a power box? any gains etc? worth the time of fitting...
also whats the difference between the 4-2-1 to the 4-1  and i will lose my EGR valve.. bit gutted will i get the EML on? its never ever came on (and yes bulbs in) hoping not!
getting new gaskets,nuts bolts,rubbers to fit so smooth new job 
any good info + help appreciated 
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IvIarkgraham
Premium Member
Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
User status: Offline
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Corsa_Sport21
Member
Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
User status: Offline
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Is it mild or stainless steel??If its mild then dont heat wrap it.
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Sean-B
Member
Registered: 1st May 07
Location: Wolverhampton Drives: 200SX S14a
User status: Offline
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The 4-1 gives more Power at the top end where a 4-2-1 gives more power low t mid range. The powerbox sends the power up much higher so a4-2-1 helps to even it out.
Also your 4-1 will sit very low under sump and if you are lowered at all you will have clearance issues.
[Edited on 30-01-2010 by Sean-B]
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Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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heat wrap will make stuff crack if it poorly welded.
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Jenko_Sport
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Registered: 25th May 06
Location: Stoke-on-Trent
User status: Offline
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Its not the frigging EGR valve that comes off the exhaust manifold, dear god why will people not look things up before posting!
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Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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isnt the e g r the thing that comes off the exhaust manifold?
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jay2907
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Registered: 12th Jan 09
Location: wakefield
User status: Offline
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4-2-1 
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AlexW
Member
Registered: 25th Oct 08
Location: Essex
User status: Offline
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Its the SAI on the exhaust, they usualy get blocked after a few years anyway.
If your taking off your egr and not the sai then keep the egr plugged in (Cable tie it somewhere save or use a bolt to secure it to the original plate but have it turned at 90degrees so the piston can still move, or bolt it to something else.
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kev
Organiser: North East
Premium Member
Registered: 16th Jun 09
Location: Newcastle
User status: Offline
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sold the 4-1 already went to a better home 
looking in to a 4-2-1 as said above will go better with a mantzel.. so wanting to save the SAI, whats the best manifold to go for?.. whats other peps running? thats made good gains
will removing the SAI not make my EML light come on if i keep it plugged in? ive hurt people say it can put light on but go back off in seconds? 
[Edited on 31-01-2010 by kevcr]
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Richardhhha
Member
Registered: 29th Sep 07
Location: Croydon, Greater London
User status: Offline
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no the eml light wont come on if you remove the sia, and most after market manifolds dont alow the sia to be connected.
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