greddy advice
12-06-2007, 09:41 PM
#1
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greddy advice
hello everyone,
i own 90 miata, and its fun driving. Lately ive been working on it making it better lil by lil and thinkin lastly is adding a boost kit. Lately i have slotted rotors, was heading into drilled but i was hearing that they crack and its mostly for show. Then i went with tein basic's suspension kit, and for now just looking for a clutch because my old one is going bad. Then i came around the greddy kit and its very cheap 1100, and im just looking for 130 - 140 rwhp no more not really crazy bout it but dang im aching for power. Thinking just keeping at roughly 5-7 psi.
Im asking if the greddy is reliable and great at this boost lvl?
Also how hard is it to install, and tunning required for the bolt on kit? Is it plug and play. I just have experienced changing my own clutch, water pump and replacing alt. ac, and t-belt.
thanks in advance
i own 90 miata, and its fun driving. Lately ive been working on it making it better lil by lil and thinkin lastly is adding a boost kit. Lately i have slotted rotors, was heading into drilled but i was hearing that they crack and its mostly for show. Then i went with tein basic's suspension kit, and for now just looking for a clutch because my old one is going bad. Then i came around the greddy kit and its very cheap 1100, and im just looking for 130 - 140 rwhp no more not really crazy bout it but dang im aching for power. Thinking just keeping at roughly 5-7 psi.
Im asking if the greddy is reliable and great at this boost lvl?
Also how hard is it to install, and tunning required for the bolt on kit? Is it plug and play. I just have experienced changing my own clutch, water pump and replacing alt. ac, and t-belt.
thanks in advance
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12-06-2007, 11:04 PM
#2
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You'll have no problems and we can guide you all of the way and set you up with detailed instructions.
You will enjoy the performance increase..
Here's some simple install instructions.
https://www.miataturbo.net/forum/showthread.php?t=852
There is more to know about little things you will want to do before the install and during the install.
Just pipe up and we'll shoot you the links...
You will enjoy the performance increase..
Here's some simple install instructions.
https://www.miataturbo.net/forum/showthread.php?t=852
There is more to know about little things you will want to do before the install and during the install.
Just pipe up and we'll shoot you the links...
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12-07-2007, 03:35 AM
#3
You should be able to install it yourself with no problems.
For clutches you should look at the ACT HD with a street disc as that will hold all the power you'll be making.
Trust me on this, once you've run at 5 psi you will want to run more and more. Boost, you see, is an addicting thing.
Check out the Begi S kit. It's much more value for the money as the core components and engineering put into are much better.
For clutches you should look at the ACT HD with a street disc as that will hold all the power you'll be making.
Trust me on this, once you've run at 5 psi you will want to run more and more. Boost, you see, is an addicting thing.
Check out the Begi S kit. It's much more value for the money as the core components and engineering put into are much better.
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12-07-2007, 04:07 AM
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[QUOTE=Bryceness;182772]You should be able to install it yourself with no problems.
For clutches you should look at the ACT HD with a street disc as that will hold all the power you'll be making.
Trust me on this, once you've run at 5 psi you will want to run more and more. Boost, you see, is an addicting thing.
+1
For clutches you should look at the ACT HD with a street disc as that will hold all the power you'll be making.
Trust me on this, once you've run at 5 psi you will want to run more and more. Boost, you see, is an addicting thing.
+1
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12-10-2007, 01:36 PM
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when turbo kit installed, i was reading in threads that it adds up on maintenance costs what do they mean by that?
Like are they talking about replacing the motor or internals?
So the greddy is great but pushing past 9 psi is where a lot of owner's begin to have the boost leak or creep, from a greddy kit?
My main reason i wanna stay with the greddy kit is that, i got accepted into the RN nursing program and as a gift from the family, they decided to get me the greddy kit.
Like are they talking about replacing the motor or internals?
So the greddy is great but pushing past 9 psi is where a lot of owner's begin to have the boost leak or creep, from a greddy kit?
My main reason i wanna stay with the greddy kit is that, i got accepted into the RN nursing program and as a gift from the family, they decided to get me the greddy kit.
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12-10-2007, 01:51 PM
#10
by maintenence they probably mean that you should run synthetic oil (more $) and change it religiously at 3k miles. Internals are generally not needed on cars running a Greddy as you likely won't go past 15 psi. At 14 psi one member here, Ben, made 255 RWHP! (I'm coming for you.)
bost leak and creep are two distinct issues which aren't really isolated to the Greddy.
Congrats on the RN thing! I couldn't do that. I mean I like helping people and all, but the last nurse I saw had to give me a catheter... it sucked for both of us.
bost leak and creep are two distinct issues which aren't really isolated to the Greddy.
Congrats on the RN thing! I couldn't do that. I mean I like helping people and all, but the last nurse I saw had to give me a catheter... it sucked for both of us.
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12-10-2007, 01:58 PM
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For a week or two I did. Turned the EBC down after that. Mechanical empathy, and it wasn't tuned for those ranges, and sometimes it would hit the overboost shut off. But it did make good power up there.
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12-12-2007, 01:26 PM
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by maintenence they probably mean that you should run synthetic oil (more $) and change it religiously at 3k miles. Internals are generally not needed on cars running a Greddy as you likely won't go past 15 psi. At 14 psi one member here, Ben, made 255 RWHP! (I'm coming for you.)
bost leak and creep are two distinct issues which aren't really isolated to the Greddy.
Congrats on the RN thing! I couldn't do that. I mean I like helping people and all, but the last nurse I saw had to give me a catheter... it sucked for both of us.
bost leak and creep are two distinct issues which aren't really isolated to the Greddy.
Congrats on the RN thing! I couldn't do that. I mean I like helping people and all, but the last nurse I saw had to give me a catheter... it sucked for both of us.
I was reading up on more reviews on the greddy kit that the manifolds crack, but wondering is it due to goin above 6 psi or just the manifold is weak?
Also i know replacing all the nuts and bolts but what kind of grade?
Then was reading something bout the elbow in the kit that it such a tight fit, and it breaks does anybody know what im talking about?
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12-12-2007, 02:01 PM
#16
the cracking, and this is a pure guess, is due to poor design and thermal stress. Replace with grade 8 (SAE) or 10.9 (metric), see archives for more on the bolts.
The elbow is, I assume, the intake elbow they're talking about. Haven't heard about it breaking but it's small and awkward, prolly because the kit was designed for RHD. I made a replacement out of a 2.5" U bend and it works a bit better.
The elbow is, I assume, the intake elbow they're talking about. Haven't heard about it breaking but it's small and awkward, prolly because the kit was designed for RHD. I made a replacement out of a 2.5" U bend and it works a bit better.
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12-12-2007, 04:16 PM
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I was reading up on more reviews on the greddy kit that the manifolds crack, but wondering is it due to goin above 6 psi or just the manifold is weak?
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12-12-2007, 08:11 PM
#19
ive been following this thread closely , i love the info on this site,,
as for the detailed instructions that were talked about before,
ive searched the forum for them and cant seem to find anything other than
the original greddy instructions.
has anyone documented an install, with details, and
LOTS AND LOTS OF PICTURES!!!!!
for people like me who suck at reading instructions lol
if not, maybe i should do it,
i just bought "sol generals" kit
as for the detailed instructions that were talked about before,
ive searched the forum for them and cant seem to find anything other than
the original greddy instructions.
has anyone documented an install, with details, and
LOTS AND LOTS OF PICTURES!!!!!
for people like me who suck at reading instructions lol
if not, maybe i should do it,
i just bought "sol generals" kit
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12-12-2007, 09:35 PM
#20
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Honestly, I just looked at the online instructions for bolt size references. Do what people have said already, UPGRADE the bolts, ALL of them. The four greddy-supplied bolts holding the turbo to the manifold ALL broke on me. Luckily, a local shopped fucked up the manifold when drilling them out so they bought me a new ETD manifold 
But anyways, if can figure out that a square peg doesn't fit into a round hole, then you can install the greddy turbo. It's all very basic remove-and-replace type of work. I was nervous as hell also since the hardest thing I've done to that point was a timing belt change, but after taking my time and figuring out what goes where (and it can't go anywhere else), then it was easy as pie. I would say the hardest, or more important part, is making sure your fuel and spark components are upgraded and up to order.
I wouldn't suggest you buy a new greddy kit though. If you can source out different USED Greddy parts for under $600-$700 total, then it might be worth it as a My-First-Fisher-Price-Turbo to play with, but otherwise the new BEGI "beginner" kit is too awesome of a deal, especially if you don't have to worry about smog-testing in Nevada.
But anyways, if can figure out that a square peg doesn't fit into a round hole, then you can install the greddy turbo. It's all very basic remove-and-replace type of work. I was nervous as hell also since the hardest thing I've done to that point was a timing belt change, but after taking my time and figuring out what goes where (and it can't go anywhere else), then it was easy as pie. I would say the hardest, or more important part, is making sure your fuel and spark components are upgraded and up to order.
I wouldn't suggest you buy a new greddy kit though. If you can source out different USED Greddy parts for under $600-$700 total, then it might be worth it as a My-First-Fisher-Price-Turbo to play with, but otherwise the new BEGI "beginner" kit is too awesome of a deal, especially if you don't have to worry about smog-testing in Nevada.
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