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CX Racing 1.6 Turbo Kit - Worth it?

 
Old 05-03-2017, 11:36 AM
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Question CX Racing 1.6 Turbo Kit - Worth it?

Hey guys,

I saw another thread over in DIY that was a mess. I want to say first and foremost, I am aware that this is nowhere near ideal and that with a cheap kit, you get what you pay for. I also have done some research and am not asking to be spoon fed, I am just asking for opinions.

Being a broke kid in college, I obviously like to find the cheapest things to do to my car, however, I do have a little common sense that won't let me ruin my car.

I saw this review of a CX Racing Turbo Kit for a 1.6 that really piqued my interest:

He paired his kit with an MSPnP2 and went into a little detail of self-tuning. I know that besides that, he has the Wideband O2 and a few misc items that he needed to complete the kit.

I found the kit here (at least the main part of it) and it comes out to a nice and cheap $978 (+ tax). So that, plus the price of an MSPnP2 (~$800 depending on where you get it), and then a wideband O2 with gauge (~$150-$200) comes out to around $2000, which... isn't bad considering my budget.

When I first got my car, I really wanted to turbo, so I learned from everyone about how I should spend my time researching and get quality parts, which I know is the best thing to do, there is no doubt about that. However, as a budget option that will allow me to learn the basics of turboing and tuning (especially if I can re-use the MSPnP2 eventually), this kind of thing is really appealing, especially if I can find an extra 1.6 to drop in (and run N/A) if this thing blows.

My goal is only around 8 lbs of boost, which from my research, yields about 160-170 HP. I know the stock open diff doesn't like a lot of power, so a torsen has always been on my list, as well as getting an NB 6 speed if I can find one. Also, I would likely pick up Rx-8 injectors, or something around 250-300cc.


[SIZE="3"]What are your thoughts on this? Is this a path worth considering or is this just another tempting purchase that will be my demise?

[SIZE="1"]P.S: Why is there a filter where mods need to approve posts? Why don't they just let the post go up and then deal with it afterward? Just curious.

[SIZE="4"]I responded after the 4th post but my post is still awaiting confirmation. Is this just for noobs or what? By the way, if I don't see it publish and I miss the chance the edit it, I realized that I did email you, Lars, my bad, lol.[/SIZE][/SIZE][/SIZE]

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Old 05-03-2017, 01:16 PM
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his TS project name is cumstain. that's all you need to know.
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Old 05-03-2017, 01:36 PM
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If you can afford a CX kit, you can afford an MKTurbo kit, which would be a safer bet.
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Old 05-03-2017, 01:41 PM
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Being a broke kid in college, I obviously like to find the cheapest things to do to my car, however, I do have a little common sense that won't let me ruin my car.
you're ignoring that common sense right now, if you have any that is
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Old 05-03-2017, 01:43 PM
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Originally Posted by concealer404 View Post
If you can afford a CX kit, you can afford an MKTurbo kit, which would be a safer bet.
Basically this. For less then $500(because shipping will cost some on CXRacing setup) more you can get a manifold that won't sucks ***** and crack, a turbo that actually is sized correctly, and a full 3" exhaust.

The only downside besides cost is that I can be slow to make the setup, verse CXRacing probably has them on the shelf.
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Old 05-03-2017, 02:00 PM
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Originally Posted by 18psi View Post
you're ignoring that common sense right now, if you have any that is
At least I didn't blow my summer money on this kit without any knowledge and blow up my engine.

Originally Posted by shuiend View Post
Basically this. For less then $500(because shipping will cost some on CXRacing setup) more you can get a manifold that won't sucks ***** and crack, a turbo that actually is sized correctly, and a full 3" exhaust.

The only downside besides cost is that I can be slow to make the setup, verse CXRacing probably has them on the shelf.
Originally Posted by concealer404 View Post
If you can afford a CX kit, you can afford an MKTurbo kit, which would be a safer bet.
Okay, I'll read up on that. It's this kit right? I remember seeing the site and, I think, I emailed the guy a little while ago about it. He gave me some insight on what to do before I even think about turboing. I forgot I messaged Lars.
So it does include the exhaust, but does it include intercooler and piping, as well as misc. items like the oil feed and return lines or BOV? I know the ECU and Wideband O2 (and injectors and what not) aren't included.

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Old 05-03-2017, 02:08 PM
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Or you realize that you are broke, and just stick with NA. Maybe just swap the 1.6 for a 1.8 and get a real nice 30 hp bump. Bonus points for a VVT swap. cheapest most reliable power possible, IMO. Then again, your 1.6 diff wont survive ANY power increase (turbo 1.6 or 1.8 swap), so account for that. More thinking on my end... all signs point to sell the 1.6 and buy a 1.8 car.

Broke college student builds a turbo Miata = "I'll take poor decision making skills for 100 Alex."
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Old 05-03-2017, 03:08 PM
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If you're really set on trying to turbo on a budget there are better ways to do it than the cxracing kit. Browse the 240sx forums like zilvia.net for a little while and you can pick up a real garrett 2560 for less than $100 off of someone who upgraded. After that a begi or fm log manifold and downpipe, and an ebay intercooler and charge piping can be had for probably $500 total. With the money you saved there you cam afford rx7 injectors, a stronger clutch, and a 1.8 diff, and you will have a much nicer setup than the cxracing kit.
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Old 05-03-2017, 03:14 PM
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Originally Posted by Drrlchstr View Post
If you're really set on trying to turbo on a budget there are better ways to do it than the cxracing kit. Browse the 240sx forums like zilvia.net for a little while and you can pick up a real garrett 2560 for less than $100 off of someone who upgraded. After that a begi or fm log manifold and downpipe, and an ebay intercooler and charge piping can be had for probably $500 total. With the money you saved there you cam afford rx7 injectors, a stronger clutch, and a 1.8 diff, and you will have a much nicer setup than the cxracing kit.
You won't find a 2560 for less then $100. You can find the 2554 for around that price.
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Old 05-03-2017, 03:21 PM
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Originally Posted by shuiend View Post
You won't find a 2560 for less then $100. You can find the 2554 for around that price.
You're correct, thats what i get for trying to have multiple conversations at once. Still better than the t28 chinacharger in the cxracing kit
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Old 05-03-2017, 03:52 PM
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Also, please stop recommending RX7 injectors.
I know it's in the FAQ, but it is very outdated info.
The new cheap standard at this point seems to be GT500 injectors, which you can get from trackspeed.
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Old 05-03-2017, 03:53 PM
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lol this aint 1990
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Old 05-05-2017, 02:27 PM
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Hell, you can just buy the mustang injectors and the FF adapter kit... Nigel showed his data from from flow testing them all and theres very little variation. Obviously getting the FFs means that you get a set that's been flow tested and matched, which is awesome.

Doing just the mustangs is still loads better than the rx injectors...

Also, huge +1 to everyone recommending the 1.8 swap and torsen swap. Your money goes much further that way...
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Old 05-05-2017, 02:33 PM
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Originally Posted by ridethecliche View Post
Hell, you can just buy the mustang injectors and the FF adapter kit... Nigel showed his data from from flow testing them all and theres very little variation. Obviously getting the FFs means that you get a set that's been flow tested and matched, which is awesome.

Doing just the mustangs is still loads better than the rx injectors...

Also, huge +1 to everyone recommending the 1.8 swap and torsen swap. Your money goes much further that way...
Sure, **** over Nigelt who's just trying to make a buck and buy ebay Mustang injectors...

I bought 4 GT500 injectors from a "respected ebay vendor" before Nigelt got going and 1 of the 4 didn't work. Wasn't worth the assache.
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Old 05-05-2017, 04:09 PM
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flow matching is what you're paying money for. it's what let's you get better gas mileage, efficiency, consistency. un-matched, the OEM "spec" variation can be as much as 6% to be deemed acceptable. This is per Ford. 6% is a pretty large swing in fuel in my book, and even then OEM's have per-cyl fuel compensations, and most Miata ecu's don't.

folks' definitions of "it works" varies wildly. to pay 300 bux for a matched set of ev14 pnp injectors is pennies
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Old 05-05-2017, 04:13 PM
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Originally Posted by Monk View Post
Also, please stop recommending RX7 injectors.
I know it's in the FAQ, but it is very outdated info.
The new cheap standard at this point seems to be GT500 injectors, which you can get from trackspeed.
here i'll fix the problem.

https://www.miataturbo.net/useful-sa...21/#post126318
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Old 05-05-2017, 04:21 PM
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Originally Posted by bahurd View Post
Sure, **** over Nigelt who's just trying to make a buck and buy ebay Mustang injectors...

I bought 4 GT500 injectors from a "respected ebay vendor" before Nigelt got going and 1 of the 4 didn't work. Wasn't worth the assache.
How exactly is that ******* over nigel? I bought his kit for the adapters, which he sells likely specifically for this purpose. I'd guess that his profit margin is likely higher because of this. Since then, I've convinced at least 2 other people to buy his adapters when they were thinking of buying RX8 injectors instead. From what I recall, he even said in one of his threads that the variation between injectors was low enough based on his data that the flow testing was likely unnecessary and people could get away with doing that. Folks buy his stuff for the peace of mind. I bought 8 used injector takeoffs from a guy that was upgrading his mustang. They run great. I know others that have bought remanufactured injectors, which may have caused them issues.

Like 18psi said, people pay the money to get closely flow matched injectors. I thought I was safe because I bought 8 from the same car and they came in two baggies, i.e. one bag per fuel rail. I bought all of this when I was just starting out. If I had to do the same now, there's a good chance that I'd have just spent the money to get flow matched ones especially because I'm not running a wideband for every cylinder. I also got the advice to do what I did from a respected poster on here, which is one of the reasons I did it. I likely wouldn't have bought 4 random injectors on ebay. (Edit: I also didn't know about the 6% accepted variation as Vlad just said above. 6% @640 is ~600-680cc range at the extremes. Yikes!)

Caveat emptor as always. Still worlds better than buying rx7 injectors that are old as dirt and are likely not going to be flow matched as well. And there's no doubt that nigel is the man. If this is the dumbest mistake I make in my build, I'll be happy. If my 'good enough' advice makes a noob not buy ancient injectors, then I'll consider that a win.

TLDR; Nigel sells the adapters so folks can do this. If he thought it hurt his margin, he likely wouldn't sell the PNP adapters...

Originally Posted by Braineack View Post
Hahhaa, yes!

Last edited by ridethecliche; 05-05-2017 at 04:41 PM.
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Old 05-05-2017, 04:48 PM
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"Not buying from Nigel" isn't the same thing as "******* over Nigel."

Let's get some logic going on here.

For $300, his stuff is great. It's an easy button for injectors that are matched across a single point that drop into your car.
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Old 05-06-2017, 05:17 PM
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The big deal with EV14s is not the 90%DC flow match, but the low-DC match, down around 2ms. I prodded Nigel to push his matching process down to 2ms when I first started selling them. You idle around 2ms, so matching them there makes a big difference. 6% at high-duty sucks, yes, but 10-12% deviation at 2ms sucks a lot worse. For the minimal extra money and zero headache, I have no idea why you wouldn't just buy the full FF640 kit.
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Originally Posted by codrus View Post
Basically I've come over to the camp of "If something is a reliability problem on the track, just ask Andrew and do what he says".
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Old 05-06-2017, 05:52 PM
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Originally Posted by ridethecliche View Post
How exactly is that ******* over nigel?

TLDR; Nigel sells the adapters so folks can do this. If he thought it hurt his margin, he likely wouldn't sell the PNP adapters...
Chill, if i'd used the or then you'd have known i was ******* with you.

Originally Posted by concealer404 View Post
"Not buying from Nigel" isn't the same thing as "******* over Nigel."
See above...
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