would it be totally stupid to stay at a 1.6 and run a used greddy kit? - Miata Turbo Forum - Boost cars, acquire cats.

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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 12-10-2006, 03:59 PM   #1
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Default would it be totally stupid to stay at a 1.6 and run a used greddy kit?

My sis has an msm with little bolt on ****, and her bf has a 190whp mp62 1.8. Can a greddy with an FMIC and Megasquirt make enough power to safely keep up with them?

I was thinking about running a used greddy with fmic kit for around $1200 max, then running a bigger dp, and no cat, with 2.5" exhuast on a freshed up 1.6 auto (lower comp) motor...but them I'm getting into FM 1.8 kit price range...with a much more simple install.

Is there a manifold I can get for a 1.8 that will work with the greddy kit?

my current 1.6 has 140k on it, so I'm just going to pick up a spare motor and freshen it up, since I'll need a clutch anyway.


I want to make around 230whp when its done...I do NOT want to mess with overpowering drivetrain.
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Old 12-10-2006, 04:42 PM   #2
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a GReddy with MS and supporting injectors & mods could be run at 14-16psi and run around 230-260rwhp easily.

basically running the kit on a 1.8 requires the hks manifold and exhaust work, and modifiying the intake and intercooler pipes.
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Old 12-10-2006, 06:16 PM   #3
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Originally Posted by braineack View Post
a GReddy with MS and supporting injectors & mods could be run at 14-16psi and run around 230-260rwhp easily.

basically running the kit on a 1.8 requires the hks manifold and exhaust work, and modifiying the intake and intercooler pipes.
I suspect this requires making the first ic pipe a bit taller, and trimmed going to the turbo, then the dp gets made taller and longer to attatch to the turbo located closer to the front on the manifold. I won't need an intake pipe since I'm running stand alone.

amirite?
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Old 12-10-2006, 06:48 PM   #4
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You'll probably need a 1.8 rear, but the greddy + upgrades route is a lot cheaper and your car's lighter weight should make the 230whp a lot faster than they would be with the same power.

You can make 1.8L levels of power with slightly higher levels of boost (you have smaller head/pistons over 1.8L rods and a similar crank) and a little more lag. Realistically there isnt a ton of difference between running 15 and 18 psi if you have a properly sized turbo.
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Old 12-10-2006, 07:43 PM   #5
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You'll probably need a 1.8 rear, but the greddy + upgrades route is a lot cheaper and your car's lighter weight should make the 230whp a lot faster than they would be with the same power.

You can make 1.8L levels of power with slightly higher levels of boost (you have smaller head/pistons over 1.8L rods and a similar crank) and a little more lag. Realistically there isnt a ton of difference between running 15 and 18 psi if you have a properly sized turbo.

When I look at my student loan principle...the greddy kit at 8psi for a while looks like the best option.
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Old 12-10-2006, 08:19 PM   #6
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greddy kit is absolutely not a stupid move. if they were, there would not be nearly as many in use by at least semi-intellegent people.

Last edited by Arkmage; 12-11-2006 at 12:55 AM.
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Old 12-10-2006, 09:45 PM   #7
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Doesn't the msm make like 150whp? I think that, with about -200lb would be alot of fun. Hell, even the stock msm seems fast to me.
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Old 12-10-2006, 10:24 PM   #8
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stock MSM was never really impressive to me. Maybe if you take off the 17s, and pump up the boost a tad, but the little IHI turbo is still nothing special. I hear the 06 has a better power delivery.
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Old 12-10-2006, 11:02 PM   #9
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hey i like your avatar hustler, yours too brian
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Old 12-10-2006, 11:07 PM   #10
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hustler 150whp on a 1.6 GReddy is easy breezy.
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Old 12-10-2006, 11:26 PM   #11
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hey i like your avatar hustler, yours too brian
I have that **** on a t-shirt too. :wiggle:
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Old 12-10-2006, 11:30 PM   #12
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hustler 150whp on a 1.6 GReddy is easy breezy.
...but is it a waste of money? I think I'm going to go that route, and just run like 10 psi on a 1.6 on ms. I don't think I'll ever really desire more than 230whp.

When I have a little more money to play with, I'll consider putting down more power. I think the greddy with an fmic, dp, no cat, 2.5" exhuast, 1.6 spec stage 2 clutch, and MS is the best and quickest decision. I only get 1 week off every other month where I travel, so I'd like to be able to do this **** quickly.

Thanks for the input guys, it just seems kinda dumb to start with the shitty motor, but is probably the easiest and most cost effective for now.
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Old 12-10-2006, 11:51 PM   #13
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the 1.6 is a fine motor. spins faster and revs higher and happier than a 1.8.
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Old 12-11-2006, 09:16 AM   #14
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Yeah, there's no way I'd say buying a Greddy kit for the 1.6L is a waste of money. It's a great starting point, and there's so much hardware (Tony's downpipe, BEGi's forthcoming downpipe, Racing Stripe's intercooler kit, etc.) that an upgrade path is assured.
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