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MazdaSpeed 3/6 - Turbo Induction MazdaSpeed 3/6 - Turbo Induction - Have a turbo, intercooler, downpipe question? Anything turbo related belongs here!


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 Old 03-12-2014, 05:35 PM   #1
 
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Default MZR DISI exhaust port diameter?

Pointless to post this in the CX-7 section (nobody cares about going big turbo there!) so Ill ask it here :

Anyone know the exhaust port size (not ported)?

I ask because I need to order the tubing to make my top mount exhaust manifold (dont want to go too small or big...I want optimal flow)

I saw on the CAD database that the manifold gasket and flange have 1.75 diameter holes, but is this the real port size?

Did my research but found nothing...
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2011 CX-7 AWD 2.3 turbo
Ported Holset HY35 // Custom top mount EM // Tial MV-S 38mm // Custom DP and catback // L2A intercooler with AMG CWA-100 pump// Perrin MBC // 3.25 Blow-thru MAF // Aquamist HFS-4 v.2 direct port injection // Eagle rods // Supertech 4032 pistons // Forge BPV v.2 // Perrin air/oil separator // Autotech HPFP // Custom RMM insert // TB coolant bypass // Full EGR delete // 3.5 bar MAP // Launch control with anti-lag // Derale remote transmission cooler // Upgraded transmission boost valve // Shimmed transmission accumulators // Adjusted transmission clutch control valve // Digital overboost protection system // Custom firewall heatshield // JKS rear spoiler // Painted VC and IM // BSD // Custom vent pod with boost and meth gauge // Tuned with Versatuner

"When the turbo spins the bull$hit ends" BOOST the replacement for displacement
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 Old 03-16-2014, 05:24 PM   #2
 
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Default

Found the exhaust port size on the head...its 1.5'' if anybody waants to know!

Case close.
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2011 CX-7 AWD 2.3 turbo
Ported Holset HY35 // Custom top mount EM // Tial MV-S 38mm // Custom DP and catback // L2A intercooler with AMG CWA-100 pump// Perrin MBC // 3.25 Blow-thru MAF // Aquamist HFS-4 v.2 direct port injection // Eagle rods // Supertech 4032 pistons // Forge BPV v.2 // Perrin air/oil separator // Autotech HPFP // Custom RMM insert // TB coolant bypass // Full EGR delete // 3.5 bar MAP // Launch control with anti-lag // Derale remote transmission cooler // Upgraded transmission boost valve // Shimmed transmission accumulators // Adjusted transmission clutch control valve // Digital overboost protection system // Custom firewall heatshield // JKS rear spoiler // Painted VC and IM // BSD // Custom vent pod with boost and meth gauge // Tuned with Versatuner

"When the turbo spins the bull$hit ends" BOOST the replacement for displacement
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