THROTTLE BODY SPACER
Posting Guru
Joined: May 2007
Posts: 1,208
Likes: 2
From: North Reading Mass
Throttle spacers will give some improvement on some carb and TBI systems increasing the plenum area allowing better flow of the fuel air mixture. On a Multiport system they have no effect since the fuel is injected at the end of the plenum into the head.
Some produce a nasty whistle..
regards
rikard
Some produce a nasty whistle..
regards
rikard
Postmaster
Joined: May 2008
Posts: 2,703
Likes: 3
From: La Vergne, TN
still no good. the only reason the carb spacers work is it gives extra length for the fuel and air to mix.
the main reason people use those is to fit bigger valve covers on the engine, likely to clear 1.7 RR's mated with a big cam.
the main reason people use those is to fit bigger valve covers on the engine, likely to clear 1.7 RR's mated with a big cam.
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Elder User
Joined: Jul 2010
Posts: 716
Likes: 0
From: Paradise CA
Alright then i definitely wont get one then,,lol,, Because mine is fuel injected,, Ill be selling some cheech and chong tickets for 200 - 300 bucks,, what mods can i do with that, I have full Intake and part of and exhaust, ow and its a 95 f150 5.0
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Postmaster
Joined: May 2008
Posts: 2,703
Likes: 3
From: La Vergne, TN
cam or if you can somehow find some GT40 heads for cheap...
GT40 heads are what i'd do first, they are hard to find though, took me 6 months to find some at a decent price, $250..... most people think they are gold, and in someways they are for mild engine builds...
GT40 heads are what i'd do first, they are hard to find though, took me 6 months to find some at a decent price, $250..... most people think they are gold, and in someways they are for mild engine builds...
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Postmaster
Joined: Dec 2007
Posts: 3,052
Likes: 1
From: Jacksonville FL
Phenolic intake spacers do work.
TB spacers... Do not.
Since when do gt40s not have thermactor ports in the back?
GT40P heads do not.
"air is sent into the heads only briefly on cold start up, so not having it there causes no real issues other than the visual pass."
BTW here are some GT40 heads and lower intake forsale.
As you can see they DO have thermactor ports
http://www.nloc.net/classifieds/show...ct/16794/cat/3
TB spacers... Do not.
Since when do gt40s not have thermactor ports in the back?
GT40P heads do not.
"air is sent into the heads only briefly on cold start up, so not having it there causes no real issues other than the visual pass."
BTW here are some GT40 heads and lower intake forsale.
As you can see they DO have thermactor ports
http://www.nloc.net/classifieds/show...ct/16794/cat/3
Hotshot
Joined: Sep 2001
Posts: 11,958
Likes: 228
I'm really considering going with these heads. I have heard alot of positive comments about them.
http://thumperoforangepark.com/
http://thumperoforangepark.com/
Postmaster
Joined: Jan 2009
Posts: 4,558
Likes: 2
...The intake spacers work very well , some use them for more clearence , but the main reason is they keep the upper intake cooler , the spacer stops the heat transfer from the motor & lower intake...Lew