Discussions relating to Turbochargers, Superchargers, Induction, Engine Mods, Exhaust Mods, and other items specifically to make your MX5 or Roadster put out more power.
Moderators: Growler, jif, SLYDIT, Born_disturbed
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Timmo
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by Timmo » Tue Apr 22, 2014 8:50 am
tonybennett9 wrote:not really... you can use a stock 1.8l mx5 exhaust manifold.. just have to brace the super charger, relocate throttle body. the rest is no different than a turbo setup..... i agree that its a waste of time. hence converting to turbo.
Does that require longer studs? (Just trying to mentally build up a list of things that would need to be done if I bought the SC off you
tonybennett9 wrote:i will take a picture of the chassis stamps it was a 1.6 factory mazdaspeed supercharged mx5.
I didn't realise there was a such a thing?!
Ex: 1991 BRG NA6, 1998 White RS, 1997 Wine Merlot M Edition
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warrior
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by warrior » Tue Apr 22, 2014 10:35 am
Never heard of a mx5 being supercharged from factory either. Fairly sure there is no such thing
warrior
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tonybennett9
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by tonybennett9 » Tue Apr 22, 2014 1:45 pm
i thought so also, but apparently when ordering a brand new mx5 you had the choice to tick a supercharger option, the mx5 was then sent to Mazda speed for fitment and tagging of the chassis. get you a picture soon
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tonybennett9
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by tonybennett9 » Tue Apr 22, 2014 1:46 pm
Timmo wrote:tonybennett9 wrote:not really... you can use a stock 1.8l mx5 exhaust manifold.. just have to brace the super charger, relocate throttle body. the rest is no different than a turbo setup..... i agree that its a waste of time. hence converting to turbo.
Does that require longer studs? (Just trying to mentally build up a list of things that would need to be done if I bought the SC off you
tonybennett9 wrote:i will take a picture of the chassis stamps it was a 1.6 factory mazdaspeed supercharged mx5.
I didn't realise there was a such a thing?!
yea longer studs, i will take pictures for you.
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tonybennett9
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by tonybennett9 » Tue Apr 22, 2014 8:24 pm
well here are some pictures of the chassis plates.
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the two exhaust studs you will need longer for supercharger mounts...
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got stuck into some guard rolling in preparation for adjustable's and the wide wheels
used at big hammer, heat gun and some rags rolled up into a ball for the opposite side of where I'm hitting. helps keep the shaping smoother plus the metal gets hot
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marcellarius
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by marcellarius » Wed Apr 23, 2014 9:34 am
Fairly rare. Not strictly factory, Mazdaspeed were still mostly independent from Mazda back then and sold performance kits and did conversions. It may well have been an option at some dealerships in Japan though.
http://forum.miata.net/vb/showthread.php?t=504121
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BRM
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by BRM » Wed Apr 23, 2014 1:07 pm
You should clean your car...
Everywhere.
It's a mess.
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tonybennett9
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by tonybennett9 » Wed Apr 23, 2014 5:36 pm
hahah thanks for the advice.. but after a long trip from up north and all the work I'm doing on it its so pointless to clean it at this stage.. priorities mate
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Timmo
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by Timmo » Thu Apr 24, 2014 5:05 pm
BRM wrote:You should clean your car...
Everywhere.
It's a mess.
Ex: 1991 BRG NA6, 1998 White RS, 1997 Wine Merlot M Edition
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jif
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by jif » Thu Apr 24, 2014 11:15 pm
THey were relabelled jackson racing units! Miata magazine had an article about this at some point
On 23/04/2014 9:34 AM, "marcellarius" <
horsepower@mx5forum.co.nz (
horsepower@mx5forum.co.nz)> wrote:
Fairly rare. Not strictly factory, Mazdaspeed were still mostly independent from Mazda back then and sold performance kits and did conversions. It may well have been an option at some dealerships in Japan though.
http://forum.miata.net/vb/showthread.php?t=504121
[Posted via external email]
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BRM
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by BRM » Fri Apr 25, 2014 12:08 am
Timmo wrote:BRM wrote:You should clean your car...
Everywhere.
It's a mess.
Serious.
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tonybennett9
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by tonybennett9 » Sat Apr 26, 2014 3:54 pm
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CordedBowl
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by CordedBowl » Sat Apr 26, 2014 7:14 pm
Pretty!
Keep up the good work, I'm excited to see how the turbo project turns out, subbed!
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tonybennett9
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by tonybennett9 » Sun Apr 27, 2014 5:49 pm
cheers, Will do.
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harlansmart
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by harlansmart » Mon Apr 28, 2014 9:29 am
Hahaha fast cars are dirty and look good from afar but far from good up close I get told by the pros tehehe - Tony, looking forward to seeing this further progress, seems to my untrained eye you're hooking into it very nicely. Turbo yeah!!!
tonybennett9 wrote:you know this is a build thread right? strange..
anyways here are some more filthy pictures of my filthy
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tonybennett9
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by tonybennett9 » Mon Apr 28, 2014 1:31 pm
[quote="harlansmart"]Hahaha fast cars are dirty and look good from afar but far from good up close I get told by the pros tehehe - Tony, looking forward to seeing this further progress, seems to my untrained eye you're hooking into it very nicely. Turbo yeah!!![quote="harlansmart"]
cheers mate!! turbos here
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tonybennett9
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by tonybennett9 » Mon Apr 28, 2014 6:04 pm
need some input. Waste Gate actuator is hitting the head.
the manifold is cast iron.
i can extend the manifold out from the head via a spacer.
or i can have a 38mm waste gate flange welded to the manifold, get rid of the internal waste gate have it welded shut. < this is the option i think i will go for, can a 38mm flange be welded to the cast iron manifold or is there something specific i should know about welding to cast iron .
thanks
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GRUVBB
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by GRUVBB » Mon Apr 28, 2014 6:27 pm
Can you not reposition the actuator body and manufacture a new linkage arm?
It is hard to see how the actuator is fixed in those pics
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SLYDIT
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by SLYDIT » Mon Apr 28, 2014 6:46 pm
is it a greddy manifold? if it is then UNDER NO CIRCUMSTANCES weld it. they are crack prone enough as it is.
i would simply make a new mount bracket to raise the WG up a bit and clear the head.
RED '90 TURBO.
SCARING PRIUS DRIVERS SINCE 2002
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tonybennett9
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by tonybennett9 » Mon Apr 28, 2014 7:55 pm
i have decided to extend the waste gate actuator push rod further forward. should clear. will be far easier to do a custom job on the waste gate then try piss around with the manifold.
cheers for the information
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GRUVBB
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by GRUVBB » Mon Apr 28, 2014 8:13 pm
A threaded coupling with locking nuts and a nice stainless threaded rod should see you right.
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tonybennett9
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by tonybennett9 » Mon Apr 28, 2014 8:15 pm
SLYDIT wrote:is it a greddy manifold? if it is then UNDER NO CIRCUMSTANCES weld it. they are crack prone enough as it is.
i would simply make a new mount bracket to raise the WG up a bit and clear the head.
yea i thought about just raising it but wont the angle mess shit up ?
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2low2c
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by 2low2c » Tue Apr 29, 2014 7:24 am
the angle will not be a problem as long as the peload on the spring is set properly. can the mounting braket bolt to the next bolt up on the compessor housing?
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mjrstar
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by mjrstar » Tue Apr 29, 2014 7:46 am
I would try to keep the angle similar to it's current position to ensure the sweep of the arm is not compromised don't be frightened to put a dog-leg into the actuator rod (a lot of oem stuff doesn't run a straight shot) and pull the actuator forward.
Don't weld an extyernal gate into the cast manifold - you could consider welding directly to the exhaust housing depending on the material used - but only as a last resort.
You probably also have room to window the cam cover if you know someone handy with a tig welder?
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tonybennett9
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by tonybennett9 » Thu May 01, 2014 5:47 pm
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