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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 08-09-2012, 02:28 PM   #1
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Default I need your opinion fast!

So I plan to go look at a 1993 miata tomorrow that has a 1.8 swap from a 99 and has isis turbo set up (greddy intercooler). They guy says it has no AC but I need to no if it is even possible to fit AC with this set up. He says it is also cutting out after 10psi due to the coil pack? ive read where this has been a problem before but since I know nothing about this car personally I can only take the guy's word as of now.

If I can make AC fit I will most liekly buy the car.

Any suggestions on what you would pay for a 93 miata like this?
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Old 08-09-2012, 02:45 PM   #2
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i dont see why it wouldnt fit if you reworked the intercooler pipe to fit.

i see no hardlines, so it's not a task I'd want to tackle.
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Old 08-09-2012, 02:51 PM   #3
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A/C should be the last thing to worry about when buying someone's project. Especially when you admit that it IS having issues.

Be honest, how confident are you in buying this modded car when you can't, on your own, figure out if A/C can be reattached?
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Old 08-09-2012, 02:52 PM   #4
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How difficult of a task are we talking here?
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Old 08-09-2012, 02:57 PM   #5
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Originally Posted by viperormiata View Post
A/C should be the last thing to worry about when buying someone's project. Especially when you admit that it IS having issues.

Be honest, how confident are you in buying this modded car when you can't, on your own, figure out if A/C can be reattached?
Honest: confidence not very high, but I am young, learning, and really want a miata. I can not argue that it is probably not a good idea taking on a project that has issues but this doesn't have to be my DD.

I have to start somewhere. A boosted miata may not be the best choice but the price is somewhat reasonable to me.
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Old 08-09-2012, 03:08 PM   #6
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As someone who is also very young and currently modding my first car, I would highly suggest buying the car completely stock. Last thing you need is to have to fix someone else's shitty work when stuff starts breaking. It will get expensive and stressful really fast. You will either have to rent/borrow/purchase another vehicle to drive when yours is breaking (just read that it will not be your DD.) and if you cannot fix the issue yourself you will have to pay someone else to. If you want boost from the get go find a good deal on a mazdaspeed miata. That is what I did and I have not regreted it. You will spend more up front but you can finance it and then as you replace parts you have a visual reference on how turbo systems are set up and work while maintaining factory reliability. Just my 2 cents.

I can tell you that you will more than likely regret buying the car you have mentioned with your level of expertise. Car purchases should not be emotional.
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Old 08-09-2012, 03:26 PM   #7
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As someone who is also very young and currently modding my first car, I would highly suggest buying the car completely stock. Last thing you need is to have to fix someone else's shitty work when stuff starts breaking. It will get expensive and stressful really fast. You will either have to rent/borrow/purchase another vehicle to drive when yours is breaking (just read that it will not be your DD.) and if you cannot fix the issue yourself you will have to pay someone else to. If you want boost from the get go find a good deal on a mazdaspeed miata. That is what I did and I have not regreted it. You will spend more up front but you can finance it and then as you replace parts you have a visual reference on how turbo systems are set up and work while maintaining factory reliability. Just my 2 cents.

I can tell you that you will more than likely regret buying the car you have mentioned with your level of expertise. Car purchases should not be emotional.
I must agree with you that modded cars are more problematic especially when you did not do the work yourself. I have had other performace cars before and built motors, but none with a FI. Like I said this is not my only form of transportation as I have a reliable DD.

So lets just go ahead and spill the beans on everything about the car. As stated before the car has a 99 1.8L swap with an isi turbo, intercooler, PCB 3.0 megasquirt, adjustable coilovers, 2002 seats, hardtop (no soft top on car), no AC, 2.5" exhaust, walbro 255 fuel pump, carbon fiber hood and decklid, "forged rods" not like I can really know this from picture. and drives fine under 10 psi.

yes this is obviously a risk when purchasing a car like this but I feel that I could part this car out for atleast 75% of what I would pay for the car if this whole project turns to CRAP which it may but its a risk I am willing to take considering it is not going to kill me finacially.
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Old 08-09-2012, 03:33 PM   #8
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Putting the ac back in is going to suck. He removed the heat exchanger from inside the car too. Even on factory non-ac miatas they have the heat exchanger on the inside making installing an ac system an hour job. But correct me if I'm wrong you need to pull the dash to install the inside heat exchanger which is supposedly a 4 hour job for a first timer.

And who needs a/c in their non-primary car anyways?
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Old 08-09-2012, 03:35 PM   #9
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me.
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Old 08-09-2012, 03:43 PM   #10
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Quote:
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And who needs a/c in their non-primary car anyways?
Floridians. I refuse to own a car without A/C.
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Old 08-09-2012, 03:47 PM   #11
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You do not have to take out the dash to remove/install the heat exchanger. Just take out the glove box, two 10mm nuts, two clamps (hooks the ducting), and pull. <--How to remove, so reverse to put in. On a side note I just pulled that out of my car the other day. I have the foam and everything from there. PM if ya want it, but A/C is for sissies.
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Old 08-09-2012, 03:47 PM   #12
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dude, if I ever track the car again, I'm running a/c.
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Old 08-09-2012, 03:47 PM   #13
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Me too. I love my a/c. It will never come out. I'll gut my fenders for intercooler pipes before I take my a/c out when the big daddy turbo goes in.

OP, how much is this car? Thanks for the honesty so far. You'll do fine around here.
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Old 08-09-2012, 03:48 PM   #14
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coincidentally, my a/c condensor has a hole in it... guess what car im NOT driving today.
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Old 08-09-2012, 03:50 PM   #15
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me.


Leafy: at least I am getting real expections to look forward to if I decide to go this route.
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Old 08-09-2012, 03:53 PM   #16
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Originally Posted by viperormiata View Post
Me too. I love my a/c. It will never come out. I'll gut my fenders for intercooler pipes before I take my a/c out when the big daddy turbo goes in.

OP, how much is this car? Thanks for the honesty so far. You'll do fine around here.
Thanks Viper

was asking 3800 but got it to $3200. opinions on this price with everything known?
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Old 08-09-2012, 03:54 PM   #17
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more pics of car? what issues? price isn't horrible at all.
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Old 08-09-2012, 04:01 PM   #18
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more pics of car? what issues? price isn't horrible at all.
Issues: says car cuts out between 10-14 psi but if fine below that. Says there is an exhaust leak between the turbo and DP, has no soft top only hard top which is sexyier anyway but im sure ill get a soft top and frame later, and it has no A/c
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Old 08-09-2012, 04:01 PM   #19
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Price is not bad at all. I expect to pay less for a modded car than a stock car and that falls right into that category.
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Old 08-09-2012, 04:01 PM   #20
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I am planning on going to get it tomorrow
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