http://www.miata.fi/kuvat/2015-05-07-17.42.34.jpg
old Artech manifold & big trim (56) GT2871 with small 0.64 turbine housing. Still enough torque to broke dozen gearboxes http://www.miata.fi/kuvat/2015-05-07-19.41.jpg Started porting the .64 housing for quicker wastegate control. Any tips? http://www.miata.fi/kuvat/2015-05-07-19.40.jpg I figured oil squirters are pointless with supertech pistons and E85 :jerkit: |
Originally Posted by muoto
(Post 1229713)
Started porting the .64 housing for quicker wastegate control. Any tips?
You can open up the outlet side of it a bit, leaving 1.5-2mm of surface to seal against the flapper. That being said if you aren't getting creep I wouldn't bother opening up the outlet. |
Thanks.
There is little boost creep if boost limit is set below 15psi. Quicker control what I’m after as we all know 300ftlbs+ is what kill our 6speed’s. EWG would be best but ported IWG with less mid-range ign.timing hopefully do the job and keep my gearbox intact 300ft-lbs limit is ok as long as I can keep that same torque in high revs :skid: |
My turbo MX-5
sub'd
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yo, what you been up to?
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1 Attachment(s)
Originally Posted by turbofan
(Post 1342164)
yo, what you been up to?
https://www.miataturbo.net/attachmen...ine=1467291524 MY97 STI (JDM import). Running E85 with 1200cc injectors |
I love your daily driver
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Holy smokes. Yes. Awesome. Moar info plz
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Originally Posted by 18psi
(Post 1342582)
I love your daily driver
Originally Posted by turbofan
(Post 1342590)
Holy smokes. Yes. Awesome. Moar info plz
Engine is stock STI EJ207 except ACL bearings, ARP bolts and Cosworth head gaskets. ECU is modified and tuned by myself. Get 22mpg in highway with E85 :cool: Don't know the exact power figures but it should be over 300hp with IHI VF28 boosting 18PSI with 3" decat |
8 Attachment(s)
Here's my BP current state :td:
https://www.miataturbo.net/attachmen...ine=1467488187 Had to take engine out due knocking noise from cyl 4 https://www.miataturbo.net/attachmen...ine=1467488187 https://www.miataturbo.net/attachmen...ine=1467488187 wtf?? Supertech piston had broken around the pin allowing pin to slide out.... https://www.miataturbo.net/attachmen...ine=1467488187 ...and broken in half :eek5: whyy? :vash: |
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