TURBO MIATA "EXHINTAKE" MOD

Gave the turbo Miata some more top end power and a better idle. This is a mod that any person with some type of mechanical inclement can go, and its cheap if you rip one out of a junkyard.
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[@Joopsmann]

I have done this mod. My initial attempt included drilling a hole in the cam gear to supposedly set the cam timing. I had very low power but the engine started and ran. I knew something wasn’t right so I rechecked the intake cam position. I had apparently misunderstood the instructions. I reassembled with the intake cam at 180 degrees + 3 teeth counterclockwise. This did the trick but my idle is pretty lopey. It runs well and pulls strongly though so I am happy. It’s a bit better than stock but not a lot. Mine is an NA BP in a Protege, by the way. Nice video! Thanks for sharing!

[@alexmontanamc]

Dave I’m looking to do this for the lopey idle and the power gains. Where exactly did you drill? I’m doing this in an na 1.8 94 miata.

[@williambryant100]

That was to 80 . Haha nice vid

[@troysebo3172]

So was this video done after a tune/re-ture or just right after the cam swap with no other adjustments?

[@1fullofrage]

Troy Sebo we did no adjustments right after the cam swap to the tune

[@divinemiata1715]

My stock miata is faster 😭 after a couple years the cam will snap happend to a lot of people. Just rebuild the motor to maybe a 1.9 or throw a k20 in and turbo that because the turbo miata still wont beat a stock k20 🤣

[@Farfetched_Boi]

Did it snap at the gear? At the new drilled hole? I want to do this and haven’t seen any fails yet on miata.net

[@ofiravi9]

Can you please send a buying link? And do you think that will increase the power of the NA1.8? TNX bro and nice video!

[@patfurlan4977]

you get your cam from ebay or a junkyard ... the instructions are on the net

[@SergioCruz-cc9tm]

How did you get the pops at shifting ?m

[@connoisseuroftigolbitts]

upload more videos

[@troysebo3172]

Did you have to recheck the timing with a timing gun or anything?

[@patfurlan4977]

you have to redo the cam timing using the offset ...its not beginner stuff but not advanced if youve done a timing belt

[@Teabag-racing]

What year is your miata and from what year did you take the exhaust cam from?

[@1fullofrage]

Jonathan Chen it's a 94 and the cam was from another 94 1.8l head

[@Teabag-racing]

Thanks!

[@sofiecornelissen3194]

so if i'm correct, you now have 2 exhaust cams in 1 engine.
is this also possible with a 1.6?

[@obahex]

Yes, technically this is possible with a 1.6, so long as you use the exhaust cam out of a 1994-1995 mx3, as they have the CAS on the exhaust side, whereas the miata has it on the intake side, so they are interchangeable.

[@huedue]

@@obahex we did a similar mod to a 1.8 liter and crammed it into a festiva

[@tysonallgaier3571]

What was the overall cost?

[@1fullofrage]

Tyson Allgaier if you have to buy the camshaft it will be around $150 but if you have the camshaft And the tools to do it such as a drill and angle grinder , all you would need to buy is the valve cover gasket and the RTV

[@tysonallgaier3571]

Brz Rage awesome thanks