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#1135 |
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1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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#1136 |
![]() ![]() ![]() ![]() ![]() ![]() ULTIMATEDrives: 07 Yaris Turbo Join Date: May 2007
Location: Canoga Park, CA
Posts: 14,857
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__________________
Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific. |
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#1137 |
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play every day
Drives: 2012 Yaris L 2dr 5sp Join Date: Apr 2012
Location: Los Angeles
Posts: 1,962
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#1138 |
![]() ![]() ![]() ![]() Drives: 2010 Yaris Sedan Join Date: Oct 2010
Location: Kentucky
Posts: 529
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#1139 |
![]() ![]() ![]() ![]() Drives: 2013 Yaris Join Date: Oct 2011
Location: Portland, OR
Posts: 914
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#1140 |
![]() ![]() ![]() ![]() ![]() ![]() ULTIMATEDrives: 07 Yaris Turbo Join Date: May 2007
Location: Canoga Park, CA
Posts: 14,857
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haha, nice. but I got us off-topic. Back to the tooter-penis-project-thing.
__________________
Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific. |
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#1141 |
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1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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I just LOL!
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#1142 | |
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play every day
Drives: 2012 Yaris L 2dr 5sp Join Date: Apr 2012
Location: Los Angeles
Posts: 1,962
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Quote:
![]() I started doing a little preliminary grinding on one of the runner entrances not wanting to remove too much of the weld so as not to weaken the manifold... ![]() And now that I'm going with the hemisphere, I can remove the rest of the square plenum. That will make it much easier to shape the runner entrances as it is impeding getting the Dremel at the proper angle. |
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#1143 |
![]() ![]() ![]() Drives: '08G2T Prius Join Date: Oct 2012
Location: United States
Posts: 163
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LOL...Speaking of phallic symbols and alcohol...Hold up... need to shoot a pickleback...
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#1144 |
![]() ![]() Drives: Gen 1 XB Join Date: Nov 2012
Location: Nor Cal
Posts: 72
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Five things ya don't wanna hear when you open your hood.....
1) Hey big boy. 2) Is that your intake, or are ya just happy to see me? 3) Whip it! Whip it good, as the Devo music plays. 4) Shwing! 5) Damn, thought I at least had five......
__________________
Why strive for a JDM BB, when you can promote the Scion badge? |
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#1145 |
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play every day
Drives: 2012 Yaris L 2dr 5sp Join Date: Apr 2012
Location: Los Angeles
Posts: 1,962
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Here's a comparison between the runners...
![]() The welds do overhang the entrances quite a bit, so removing them should improve the flow. |
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#1146 |
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Obsessed with 1.5L
Drives: '10 PW Yaris Sedan Join Date: Feb 2011
Location: Westminster, MD
Posts: 908
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That tooter looks great! Your experimental one looks like a jelly fish :p
__________________
-Greg...the Exhaust Freak. -10 PW sedan 107whp/110wtq, full exhaust, suspension bits, TRD LSD -06 Highlander 3mzfe Limited AWD -82 Malibu, 1uzfe swap -97 Tercel coupe, 1nzfe/4.31 -96 Tercel coupe, Turbo 5efe, autoX -96 Tercel 4dr |
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#1147 |
![]() ![]() Drives: Gen 1 XB Join Date: Nov 2012
Location: Nor Cal
Posts: 72
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Better start making some porting templates. I would be interested to see what the physical diameter gains are. Looks like a nice improvement.
__________________
Why strive for a JDM BB, when you can promote the Scion badge? |
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#1148 |
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play every day
Drives: 2012 Yaris L 2dr 5sp Join Date: Apr 2012
Location: Los Angeles
Posts: 1,962
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Porting to the existing runner size increases the entrance diameter from 38mm to 40mm because the welds overhang a little more than 1mm all the way around. This nets a gain in the cross sectional area of just a little over 11%.
After all the overhanging welds have been removed, I'm going to smooth out and profile the entrances to more of a "bell" shape which should improve the flow even more.
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#1149 |
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play every day
Drives: 2012 Yaris L 2dr 5sp Join Date: Apr 2012
Location: Los Angeles
Posts: 1,962
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#1150 |
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play every day
Drives: 2012 Yaris L 2dr 5sp Join Date: Apr 2012
Location: Los Angeles
Posts: 1,962
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Cut the rest of the plenum off so that I could get the Dremel into the runner ports better...
![]() Also gound off all the overhanging welds, and stainless steel bead blasted everything. This evens out all the grinding marks and will make it much easier to see the shapes of the ports while I'm grinding the bell mouths. Before grinding... ![]() ...and after.
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#1151 |
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1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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You going to smooth out the weld too?
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#1152 |
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play every day
Drives: 2012 Yaris L 2dr 5sp Join Date: Apr 2012
Location: Los Angeles
Posts: 1,962
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Yes. That's the next step. I'm going to form bell mouths for the runners, but I need to be careful not to take off too much weld because that's the only thing holding the runners onto the baseplate.
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