tooter's manifold adventure... - Toyota Yaris Forums

4/20 NEVER FORGET · 01-21-2013, 09:16 PM

Now THAT is what I call some great HP/TQ gains. Not only is your peak HP better, but your TQ numbers after 4k rpms look great. I bet the car doesn't feel like it's running out of breath so much in the top end like these engines do right before redline.

Congrats on getting those numbers. You've worked hard for it! I'm glad it all worked out in the end, 110 whp isn't bad at all for a car that was rated 108 hp at the crank, with only bolt-ons!

Now I really can't wait to get a manifold and stick on this 1ZZ throttle body I have.

tooter · 01-21-2013, 10:11 PM

Quote:

Originally Posted by 4/20 NEVER FORGET

Now THAT is what I call some great HP/TQ gains. Not only is your peak HP better, but your TQ numbers after 4k rpms look great. I bet the car doesn't feel like it's running out of breath so much in the top end like these engines do right before redline.

You're right... the engine pulls strong right up to the top now!

Quote:

Congrats on getting those numbers. You've worked hard for it! I'm glad it all worked out in the end, 110 whp isn't bad at all for a car that was rated 108 hp at the crank, with only bolt-ons!

Now I really can't wait to get a manifold and stick on this 1ZZ throttle body I have.

Just be sure to break off the epoxy and turn out that little idle screw about one turn before you even install your 1ZZ. It should work just fine as long as the butterfly can close enough for a nice slow smooth stable idle.

I'm so pleased how this has all worked out. The combination of the larger manifold and larger throttle body added up to doing more than each component could do alone.

...and I'm still not done yet. I have some other experiments I'm going to be trying out in the near future.

4/20 NEVER FORGET · 01-22-2013, 10:06 AM

Quote:

Originally Posted by tooter

...and I'm still not done yet. I have some other experiments I'm going to be trying out in the near future.

Long-tube header? Either way, I look forward to more updates.

tooter · 01-22-2013, 08:22 PM

Namer convinced me not to mess with my header. Anyways, I like the Weapon R design and so will be leaving it as it is. I do have some more experimental intake manifold ideas that I want to see what happens if I do them. It's like following a tiny silver thread and you never know where it leads.

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01-21-2013, 09:16 PM	#1
4/20 NEVER FORGET Drives: 2008 Yaris HB MT Join Date: Jan 2009 Location: Portland, OR Posts: 100	Now THAT is what I call some great HP/TQ gains. Not only is your peak HP better, but your TQ numbers after 4k rpms look great. I bet the car doesn't feel like it's running out of breath so much in the top end like these engines do right before redline. Congrats on getting those numbers. You've worked hard for it! I'm glad it all worked out in the end, 110 whp isn't bad at all for a car that was rated 108 hp at the crank, with only bolt-ons! Now I really can't wait to get a manifold and stick on this 1ZZ throttle body I have.

01-22-2013, 08:22 PM	#4
tooter play every day Drives: 2012 Yaris L 2dr 5sp Join Date: Apr 2012 Location: Los Angeles Posts: 1,962	Namer convinced me not to mess with my header. Anyways, I like the Weapon R design and so will be leaving it as it is. I do have some more experimental intake manifold ideas that I want to see what happens if I do them. It's like following a tiny silver thread and you never know where it leads.