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Supercharged Mk2.5 Montana - Now complete!
Last post Fri, Apr 12 2013 17:07 by Drew. 38 replies.
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Drew


- Forum member since...
Thu, Jun 4 2009
- Kent
- Posts 136
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Supercharged Mk2.5 Montana - Now complete!
Partly due to my dear late departed grandmother leaving me a small inheritance, I have a bit of cash burning a hole in my pocket and it's time... I feel the need, the need for speed.
Cute 'lil ol' Hannah is about to get some fangs. One word. Supercharger.

Having experienced a charged mk1 I was left dribbling and having chatted to a few owners there only seems one place to go. A few conversations answered all my questions to an amazingly high degree of competence, so once I've got the bits together... off to Skuzzle we will go.
I figure my dear ol' gran will be happy. She loved open top cars and my grandfather used to race MGBGTs around Brands Hatch in the 60s... so we'll be going back there for fun, homage and nostalgia at some point.
Can't wait! :)
Cheers,
Drew.
Supercharged Racing Green '03 Mk2.5 1.8i MX-5 'Hannah' Montana.
Mods so far : Chrome dashboard bits, wing mirrors and door handles. Clear side repeaters, reflectors. Removed standard badging and replaced with 'Roadster' badge. 16" Team Dynamic Jets, chrome filler cap, style bars, enhanced ICE, SS twin exhaust with Chrome tips, Magnolia 52mm 3xGauges, Caliper Paint, Crystal Clear Headlamps, Debadged, 6 Speed Sport gearbox, MP62 Supercharger.
Mods planned : I think that's enough for now!
Member of The Glorious Green Gang...
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shoestring


- Forum member since...
Wed, Sep 14 2011
- Northumberland
- Posts 3,162

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Re: Biting the bullet... :)
Hi Drew, sounds great, you'll have to keep us up to date with the progress, I'm very interested in how things pan out with this mod, as I've a bit of an urge for it myself never been quite sure if a charger is compliant with the variable valve timing, have you slected which supercharger unit & ECU you intend to use yet and the sort of budget you are working to. Like the picture you put up, what are the 3 round thing below the centre vents on the dash are these extra guages?
Mk 2.5 Strato Blue 1.8 S-VT Sport 2005 Member of Old Git's Clan, Member of the Blue Brigade. I must confess I'm no expert so it might be worth listening to someone else Spes Durat Avorum
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stevemc


- Forum member since...
Mon, Oct 18 2010
- Posts 269

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Re: Biting the bullet... :)
Taff
On the second photo of SC where does the Crancase breather pipe go?
Does it go back into the sytsem pre SC?
I have all the SC bits to be installed, I am just waiting untill after a trip to France in August and then I will SC'd
Regards
Steve Mc
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Drew


- Forum member since...
Thu, Jun 4 2009
- Kent
- Posts 136
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Re: Biting the bullet... :)
Yes, it's a VVT engine. I'm going to start with the Powercard Pro for the time being and work up from there.
I'm hoping for a little shy of 200bhp. Budget rather depends on whether I go for a second hard 'charger or a new one!
Here's a closer picture of the dials. Not great I'm afraid.

Cheers,
Drew.
Supercharged Racing Green '03 Mk2.5 1.8i MX-5 'Hannah' Montana.
Mods so far : Chrome dashboard bits, wing mirrors and door handles. Clear side repeaters, reflectors. Removed standard badging and replaced with 'Roadster' badge. 16" Team Dynamic Jets, chrome filler cap, style bars, enhanced ICE, SS twin exhaust with Chrome tips, Magnolia 52mm 3xGauges, Caliper Paint, Crystal Clear Headlamps, Debadged, 6 Speed Sport gearbox, MP62 Supercharger.
Mods planned : I think that's enough for now!
Member of The Glorious Green Gang...
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AccHacked


- Forum member since...
Mon, Apr 25 2011
- York, here we come!
- Posts 233
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Re: Biting the bullet... :)
Looks good to me. Bring on the powerrrrr...
RIP to your gran too.
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taff eunos


- Forum member since...
Sun, Aug 1 2010
- Riviera, South Wales
- Posts 4,402

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Re: Biting the bullet... :)
Yes on my set-up, the crank-case breather goes back in to a tee on the pre-charger elbow, after the MAF obviously it only has a JR powercard and Bipes piggy-back ECU and a single throttle body at the moment, until the FMIC is fitted and a stand-alone ECU, crank overlay and smaller charger pulley and uprated injectors and fuel pump are installed...... so far it will very happily hold its own (in no particular order) against a Subaru Impreza Turbo, Mini Cooper S, XK8, and Bentley Continental convertible, Golf DSG 170TDi - TBH am tempted to leave it just the way it is and start putting together a better handling package - a big-brake conversion, Mk2 Bilstien dampers (with lowering springs) adjustable ARBs and 7J wheels c/w 205/45/15 tyres, as at the moment it still gives 29.5mpg and a 7.4s 0-60mph on super-plus with great reliability...
Dr. Eunos
Eunos R2 Limited Supercharged 1.8 `White Lightning`also a Eunos J2 Limited 1.8 very low milage. Ex-`Member of The Glorious Green Gang Organiser of annual `Nurburgring on a Budget` trip for MX5/Eunos only. Disclaimer
Any work you do to your car is entirely your own responsibility. If in doubt, you should check technical advice with an independent , qualified person who has seen your car. Dr. Eunos of the MX5OC accepts no responsibility for any damage caused to your person or property as a result of you following or not following any advice offered on this forum.
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Geoff Walton


- Forum member since...
Mon, May 26 2008
- Sunshine Coast Queensland Australia
- Posts 11,088


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Re: Biting the bullet... :)
I have to endorse all the positives in the thread, and especially Taff's last post. I've scared the pants off one or two so called muscle cars over here and the long legs in 5th gear make it a bit like driving a big V6 [if that's how the mood suits you]. I find the brakes [standard] fine and the rest of the car simply has decent tyres, koni shocks and 15" wheels. I haven't fitted the overlay pulley, it's lying on a shelf at the moment, as I just can't get around to fitting the intercooler. I don't know what you're going to do about fueling/timing, I've got a Megasquirt, and can't fault it. The main drawback for me is that not many dyno guys understand them. Go for it mate, you will have a ball
Geoff Growing old disgracefully in Queensland. Founder of Eastern Region[HMF] Sunshine Coast Chapter. 1990 Mariner Blue and white Mk1 Roadster with JR supercharger Hofner Verithin Guitars
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Drew


- Forum member since...
Thu, Jun 4 2009
- Kent
- Posts 136
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Re: Biting the bullet... :)
My plans may have to go on ice for a bit... 
Looks like I have a gearbox malady to sort first - I'm losing the synchro on 5th gear, so will be on the look out for a new 'box. (Maybe a 6 speed if I can find one.) I'll change my juddery factory fit clutch at the same time.
Wrote a single word in my diary today.
"B*gger."
Cheers,
Drew.
Supercharged Racing Green '03 Mk2.5 1.8i MX-5 'Hannah' Montana.
Mods so far : Chrome dashboard bits, wing mirrors and door handles. Clear side repeaters, reflectors. Removed standard badging and replaced with 'Roadster' badge. 16" Team Dynamic Jets, chrome filler cap, style bars, enhanced ICE, SS twin exhaust with Chrome tips, Magnolia 52mm 3xGauges, Caliper Paint, Crystal Clear Headlamps, Debadged, 6 Speed Sport gearbox, MP62 Supercharger.
Mods planned : I think that's enough for now!
Member of The Glorious Green Gang...
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Drew


- Forum member since...
Thu, Jun 4 2009
- Kent
- Posts 136
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Re: Biting the bullet... :)
Well some progress.
I'm trying to source a 6 speed 'box for Hannah, but look what just turned up in the post... 
Cheers,
Drew.
Supercharged Racing Green '03 Mk2.5 1.8i MX-5 'Hannah' Montana.
Mods so far : Chrome dashboard bits, wing mirrors and door handles. Clear side repeaters, reflectors. Removed standard badging and replaced with 'Roadster' badge. 16" Team Dynamic Jets, chrome filler cap, style bars, enhanced ICE, SS twin exhaust with Chrome tips, Magnolia 52mm 3xGauges, Caliper Paint, Crystal Clear Headlamps, Debadged, 6 Speed Sport gearbox, MP62 Supercharger.
Mods planned : I think that's enough for now!
Member of The Glorious Green Gang...
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VO5Jo


- Forum member since...
Sat, Mar 27 2010
- mid Wales
- Posts 3,749

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Re: Biting the bullet... :)
Good luck, Drew
Great way to remember your Nan Think of her + be out on a drive = big big smiles 
Waving not drowning to ALL MKs regardless of 1,2 or 3 ~ Un Mx-5s pour l'année ~ non seulement pour l'été!! mk3 1.8 o/p Eibached-Racing Beat B/B- K&N panel filter-WiM'd-Zunsport Grille - Uniroyal Rainsport 2s/Avon Ice Touring ST. Spoiler'd. BBR mapped.  ~ affiliated. South West Mids region Membre de la Brigade Bleu et en liaison avec Les Noire. Old Git's Clan Yoof Team mx5life.com A socially engaging discussion forum all about the Mazda MX-5, Mazda Miata & Eunos Roadster & MX5Driver.com
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shoestring


- Forum member since...
Wed, Sep 14 2011
- Northumberland
- Posts 3,162

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Re: Biting the bullet... :)
Drew:but look what just turned up in the post... 
You're going to have to tell us more about the contents of this box 
Mk 2.5 Strato Blue 1.8 S-VT Sport 2005 Member of Old Git's Clan, Member of the Blue Brigade. I must confess I'm no expert so it might be worth listening to someone else Spes Durat Avorum
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Drew


- Forum member since...
Thu, Jun 4 2009
- Kent
- Posts 136
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Re: Biting the bullet... :)
In the box is an MP62 Supercharger and fitting kit for a Mk2.5 VT engined MX-5 (with extra bits to work alongside the air-con and ABS.)
I think I've got everything I need now, so once I've got my gearbox and bodywork issues resolved, I'll be booking a trip to Skuzzle down in Winchester.
He also seems to have come up with an intercooler setup for not much £, so since I'm going that far... might add that on too! :)
Power should be well north of 200 bhp at the flywheel after that... <dribble>.
Cheers,
Drew.
Supercharged Racing Green '03 Mk2.5 1.8i MX-5 'Hannah' Montana.
Mods so far : Chrome dashboard bits, wing mirrors and door handles. Clear side repeaters, reflectors. Removed standard badging and replaced with 'Roadster' badge. 16" Team Dynamic Jets, chrome filler cap, style bars, enhanced ICE, SS twin exhaust with Chrome tips, Magnolia 52mm 3xGauges, Caliper Paint, Crystal Clear Headlamps, Debadged, 6 Speed Sport gearbox, MP62 Supercharger.
Mods planned : I think that's enough for now!
Member of The Glorious Green Gang...
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shoestring


- Forum member since...
Wed, Sep 14 2011
- Northumberland
- Posts 3,162

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Re: Biting the bullet... :)
Drew:
In the box is an MP62 Supercharger and fitting kit for a Mk2.5 VT engined MX-5 (with extra bits to work alongside the air-con and ABS.)
I think I've got everything I need now, so once I've got my gearbox and bodywork issues resolved, I'll be booking a trip to Skuzzle down in Winchester.
He also seems to have come up with an intercooler setup for not much £, so since I'm going that far... might add that on too! :)
Power should be well north of 200 bhp at the flywheel after that... <dribble>.
Wow, so you're expecting an increase of at least 60bhp, love the MP62, I've read up about superchargers and even started looking at parts & prices but when things start to go above £5k I start and think it's a little silly and justification to my wife would be a little hard. I'd love to follow the build and budget with an eye to copying what you are doing, unfortunately Skuzzle is a long way from me, how long are you expecting them to be with your car?
Mk 2.5 Strato Blue 1.8 S-VT Sport 2005 Member of Old Git's Clan, Member of the Blue Brigade. I must confess I'm no expert so it might be worth listening to someone else Spes Durat Avorum
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