460 EFI Throttle body
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Freshman User
Joined: Feb 2008
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From: Melbourne
460 EFI Throttle body
Hi guys has anyone installed a throttle body spacer either Airaid or Jet if so any preference to either one I am also looking at getting the BBK 61mm twin throttle body to suit 460 manifold I have stalled new big valves in heads replace camshaft long tube headers 3" twin exhaust engine is not quite finished yet still having some trouble with rocker geometry and waiting for new HD towing Torque convertor to come
Thanks guys for any help
Ps truck is a 1990 F350 CCLB 460 E4OD
Thanks guys for any help
Ps truck is a 1990 F350 CCLB 460 E4OD
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Freshman User
Joined: Feb 2008
Posts: 37
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From: Melbourne
Yes Evan it's on injected LPG but I also like to Run it on 98 premium fuel
I have built a new engine and it will only be run on 98 for the first 5,000 Km my main question is do they work do they improve throttle response
I have built a new engine and it will only be run on 98 for the first 5,000 Km my main question is do they work do they improve throttle response
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Freshman User
Joined: Feb 2008
Posts: 37
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From: Melbourne
Ok thanks what the JET power chip are they any good I'm in Australia and we have nothing over here and know one wants to help with them or even look at them here so it's pretty much a learn and fix yourself
Logistics Pro
Joined: Mar 2012
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From: Oregon
Did you already MAF convert your truck? If not I would highly suggest looking into doing that.
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Postmaster
Joined: Nov 2011
Posts: 3,533
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From: SW Florida
Throttle body spacers rank right down there at the bottom of things to buy. They are worth nothing, just like capacitor spark plugs, fuel line magnets, the tornado thing that goes in your intake tube, "power conditioners", ignition enhancer 
Now on a carburetor, a spacer might be of some help to keep the carb cooler and maybe get rid of issues like vapor lock.
The equivalent part on an EFI motor (a TB spacer) is worthless junk.
Now on a carburetor, a spacer might be of some help to keep the carb cooler and maybe get rid of issues like vapor lock.
The equivalent part on an EFI motor (a TB spacer) is worthless junk.
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The whole idea with TB spacers was to put a little more volume in the plenum and maybe introduce some swirl to promote better air/fuel mixture.. a fine idea on a carbed or TB injected motor but completely pointless on a multipoint EFI motor where the intake is dry and the fuel is injected right at the back of the intake valves 15-20" away at the other end of those big long intake runners.
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