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HELP throttle body spacers!!!

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willye_br

10+ Year Contributor
92
1
Jun 9, 2009
boston, Massachusetts
hey i own a 2G eclipse GS with a 4G64 engine. i recently saw THROTTLE BODY SPACERS online at a website stating that if i buy it and install it it will increase 25HP. OK so i know maybe not 25hp, but for you guys that knows this im new to tuning Dsm's so do they add hp at all? maybe 5hp or something? if they do add i want to buy them and does it affect the engine in any way having them? Please help me out guys thanks.:thumb:
 
oo Ok i was just wondering because i mean 25HP ? YEA OK LOL but if it doesn"t help than why do people buy it for?
 
I did read you said a cooler throttle body does that help in any way tho thats what i meant?
 
so do you guys say should i buy it or not i mean its $50 if it helps in any way than why not.. let me know guys
 
Wait a minute..Brian you said colder tb temps..In turn, wouldn't that mean colder IAT, Colder intake manifold, more power.. Does anyone have the tb spacer and a logger of some sort that measures that stuff?
 
Couldn't be worth more than 1 or 2 degrees, IF it makes any temp difference at all. Doubt the logger would show any improvement.
 
the thing is not always about a cooler throttle body, but the velocity of the air going in will make gas atomization better and improve combustions. imho i would buy it because you will notice a small increase in gas mileage. the thing you have to watch out for is all the stock piping going to bolt up the same because the throttle body will now be closer to the air box.
 
Well i do have intake with INJEN filter .I got the cold air intake modified by me to fit my car because it was a little hard for me to find it, but if having the intake +Throttle body spacers wont do much than i wont buy it, unless anyone know a way to gain a little hp in my car let me know.
 
well idk if you know but spyder GS eclipse has 4G64 engine not 420A's so i need upgrades for my engine =p
 
yea i have a exhaust and intake headers IMPOSSIBLE TO FIND FOR SPYDERS. any other advices ? is nitrous safe? will it mess up my engine?
 
they should of made AT LEAST headers for the 4G64 engines.hard to mess with a engine that offers 2 upgrades LOL and i dont have enough green for a 4g63T swap or i would take it from a 92 eclipse and swap since the ones in 90-92 I THINK has no crankwalk issues and are pretty strong.
 
You can just put a 4g63t head, turbo, and intake manifold (as a package) onto that motor.

That black galant..LOL..He know's what i'm talking about...

Ya build a dsm head, get the turbo and manifold.. Bad ass dude..
 
Pointless garbage. Maybe if you have an extremely modified car making 500+ hp and needed that last little tweak to get another hp or two but not on anything else.
 
but the velocity of the air going in will make gas atomization better and improve combustions
There's no evidence that a spacer improves velocity at all. That would vary wildly from engine to engine, with so many variables you could never claim improvements except for the exact same setup that it was measured on.

Even if you increased velocity it would only effect atomization in a carbureted application where fuel was mixed with the air in the manifold. It wouldn't have any atomization improvements on a port injected engine.

If a 4G64 has engine coolant running through the throttle body a spacer isn't going to make anything any cooler.

Think about it... if a small, simple, plastic device could gain 25 horsepower EVERYBODY would have them. It'd be the number one mod everyone did to their car first. On the contrary, they are generally useless.

Don't waste your money!

Rick - '91 GSX
 
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