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Thread Tools | Display Modes |
03-03-2005, 07:27 PM
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#1 | ||
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Resident Volvo Driver
Join Date: Jan 2005
Posts: 120
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I was just wondering what sort of gains i would see by adding the spacer between the uper and lower manifold?! and would it be possible to manufacture one myself, my understanding of it is that it is just a thick piece of aluminium... ?
Also was wondering the same about the T/B helix spacer... Is it the same deal with this item as well just a piece of aluminium with a thread in it but... Any help is much appreciated, thanks |
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04-03-2005, 12:13 AM
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#2 | ||
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Regular Member
Join Date: Dec 2004
Posts: 220
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The spacer between the upper and lower manifolds does 2 things
1. Using bakerlite or similar acts as a heat insulator and keeps the upper manifold cooler. That means the air is slightly more dense when it enters the combustion chamber which equates to a little more power 2. It lengthens the intake runner which moves the power and torque slighly back down the rev range. The HO intake makes more torque down low than aftermarket manifolds as it has a very long runner. The change will only be minimal but for the very low expense - well worth it Shane
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...Mr Landau and his low flying aircraft provided much entertainment for my daughter who stated and I quote: "That mans car is too loud! Why is his car so loud? Is there something wrong with it?" "No" I replied. "But there might be something wrong with the driver"... Growing old is inevitable :eclipsee_ Growing up is optional :eclipsee_ |
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04-03-2005, 01:56 AM
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#3 | ||
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Made the 300 :0)
Join Date: Jan 2005
Location: Dayton W.A
Posts: 544
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Im getting a phenolic spacer from BPT in the next week it is supposed to drop the intake temp and give a little inprovement,This is for the AU when fitted ill see if the difference is good it should be.
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New Owner of a fiesta ST |
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04-03-2005, 06:25 AM
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#4 | ||
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Smile
Join Date: Dec 2004
Location: Merrylands Sydney
Posts: 8,541
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It will be.Tests have shown a big drop in intake manifold temps with a spacer at heads.
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04-03-2005, 04:54 PM
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#5 | ||
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Oh Yeah!
Join Date: Jan 2005
Location: Manhattan, NY
Posts: 1,023
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Sorry to ask, but what is this and where can you get it?
I have no idea :/ |
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05-03-2005, 12:35 AM
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#6 | ||
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Made the 300 :0)
Join Date: Jan 2005
Location: Dayton W.A
Posts: 544
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It cuts of the heat from the lower intake to the plenum chamber reducing the temp.Its about 12.5mm thick cant remember the material but it might be bakerlite?.better fuel ecomony and power,depending on the motor BPT motorsport sell them go to there site in this forum,barry could help you.
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New Owner of a fiesta ST |
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08-03-2005, 09:35 PM
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#7 | ||
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Resident Volvo Driver
Join Date: Jan 2005
Posts: 120
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Thanks for the info guys, anymore would be great as i wanna try and find out as much as i can before purchasing/manufacturing these items...
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T/B & Intake spacers
Linear Mode
