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View Full Version : TB coolant bypass


99gtlimited
10-24-2008, 01:40 PM
I've read a lot about this and i'm curious if any of you have done this. It seems like a logical thing to do - cooler TB= cooler intake charge. Any big drawbacks other than possibly freezing the throttle when it's really cold. I rarely see sub-freezing temps. Seems like the results are varied, let me know if any of you have experience with the TB coolant bypass.
Reason
10-24-2008, 11:48 PM
No problems, I have it done to this Legacy, my Accord and my Neon. We also did my friends Maxima. Never had a problem in the winter time.
99SUS SFD
10-25-2008, 01:01 AM
What exactly is this anyway?
Reason
10-25-2008, 01:06 AM
Exactly what it sounds like. Theres a coolant line that passes through your throttle body. Remove both hoses and replace them with one "jumper" hose that connects to the two points on the block.
decke48
10-25-2008, 01:49 AM
now problem with the TB bypass (to -14f) just dont do it with the IAC
scubydu
10-25-2008, 10:50 AM
What would the benefit of this be?
ivwarrior
10-25-2008, 11:04 AM
Theoretically? Cooler intake air, which would be denser, and allow more HP.

Realistically? Probably nothing at all, or at most a gain so small you wouldn't notice it on the "seat of the pants" gauge.
Reason
10-25-2008, 12:10 PM
Theoretically? Cooler intake air, which would be denser, and allow more HP.

Realistically? Probably nothing at all, or at most a gain so small you wouldn't notice it on the "seat of the pants" gauge.

That's what I figure, but it's free and any little "power" helps.
decke48
10-25-2008, 01:50 PM
$2 in a foot of 3/8 fuel line and 30mins of time. doesnt hurt you pocket to try
Reason
10-25-2008, 02:01 PM
The hardest part is removing the hose because it will stick. And small hands FTW on this mod.
)2edline
10-25-2008, 05:53 PM
Took me more time doing this then Shane helping getting the exhaust on.

This only hard part of this mod is slipping on the hose to the block inlet that is vertical. my fingers were dead from pushing down on such a little area.
Reason
10-25-2008, 06:03 PM
Took me more time doing this then Shane helping getting the exhaust on.

This only hard part of this mod is slipping on the hose to the block inlet that is vertical. my fingers were dead from pushing down on such a little area.

I switched two axlebacks, had a full bear and put the ramps and tools away before he was done lol. But in all seriousness it can be a pain in the ass.
99gtlimited
10-30-2008, 05:54 PM
I switched two axlebacks, had a full bear and put the ramps and tools away before he was done lol. But in all seriousness it can be a pain in the ass.

you had a whole bear??


How'd you do that? Heck, I'm not even mad, that's amazing. - Ron Burgundy
Reason
10-30-2008, 08:04 PM
Beer not bear :-P
99gtlimited
10-30-2008, 08:09 PM
:lol: had to make use of the set-up, and quote anchorman
Reason
10-31-2008, 12:20 AM
Nice quote drop...