M-Tuned Rods - Group Buy @ $349 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 10-29-2008, 09:11 PM   #1
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Default M-Tuned Rods - Group Buy @ $349

I've had some requests to run a group buy and have permission to do it based on sales of at least 10 sets! All Rods are in stock and ready to ship once we get the numbers we need.

M-Tuned Miata / Escort / 323 GTX Connecting Rods CRS-5230
- Forged Steel 4130 / 5230 H-Beam Connecting rods. CRS-5230
- H Beam Design for maximum strength
- Rods are aprox 470g each
- Comes with ARP 8740 3/8" Rod bolts
- Install and Spec sheet provided
- Comes with ARP moly lube for installation
- Finally a descent priced rod for the Miata / Escort / 323 Engines
- Compare to Carrillo H-Beam rods at $1090
- Tested to 600whp

Fits the following Motors:

- 90-93 Miata 1.6L B6
- 94-97 Miata 1.8L BP
- 99-03 Miata 1.8L BPW
- 91-95 Ford Escort GT 1.8L BP
- 323 GT / GTX / GTR 1.6L B6T or 1.8L BPT
- MX3 Precidia DOHC 1.6L 4cyl

GROUP BUY $349 + Shipping VISA or Mastercard for Payment.. No Paypal due to crazy fees.


Who is interested? Please post name and email so we can arrange a way to get your credit card info.

Last edited by M-Tuned; 10-30-2008 at 10:00 AM.
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Old 10-29-2008, 09:24 PM   #2
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Not interested for this GB right now, but I'll go ahead and ask this since it isn't mentioned. What will shipping be to US people, give or take? Or will it be flat rate to US buyers? Instillation Installation. Any pictures of these rods? Are the sets balanced to one another? IE, is each rod in the set guaranteed to be within some tolerance of the target weight?
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Old 10-30-2008, 10:03 AM   #3
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- Shipping in the US and Canada is normally $30 flate rate.
- I've seen most sets to be within + or - 3 grams of each other.





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Old 10-30-2008, 12:01 PM   #4
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Most? What? I would think that would be more like "guaranteed to be balanced to one another within X grams". I'm sure you're well aware of how important balancing can be when building an engine. If I were to buy rods, I'd like to know the set will be very well balanced. Most are sets are guaranteed to all be within 2 grams of one another. Less is better of course. Can you not offer them in sets that are within 2 grams of one another? (ie, not + or - 2 grams of target weight as that's would be a 4 gram spread.)

Last edited by patsmx5; 10-30-2008 at 12:15 PM.
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Old 10-30-2008, 03:42 PM   #5
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Pat - I've personally purchased 3 other kinds of Miata rods for various engines I built for my old Drag car. ($600+$1000 Rods) None of them were guaranteed, and all recommended I have my entire rotating assembly balanced by a professional builder.

I've also had a set of cheaper guaranteed within 2 grams rods in my hands and I can assure you on my scale they were not, and that the owner had to ship them back at his own expense and then pay shipping again if he was infact to get another set.

I'm not going to offer a guarantee on something that I can't get backed by the company producing them, and I am not going to promise something I have no intentions of delivering on. (As in the example above)

Hope this makes sense..
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Old 10-30-2008, 03:56 PM   #6
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Just spoke to my Rod producer and he told me this..

Their Weight control is within ± 2 grams.

Sounds pretty close to what I have seen in the past when looking at the sets on my scale.
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Old 10-31-2008, 03:05 PM   #7
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Just for kicks I weighed the (ETD) rods I bought from you last spring and each one is 525grams with the rod bolts. No weight variance in any of them.

Head/valve issues aside, what would be considered a maximum safe RPM with these rods? When I build my motor it is primarily for a strong SM2 car. Our longer courses have me constantly hitting the rev limiter and a thousand or more RPM would really help.
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Old 10-31-2008, 04:21 PM   #8
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Hmm. The ones he is advertising are 470g, not 525. Interesting... Are these a newer, lighter design Mark? Thanks again for posting the weight control limits. I thought that was a very important piece of info that was missing.
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Old 10-31-2008, 04:36 PM   #9
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Quote:
Originally Posted by patsmx5 View Post
Hmm. The ones he is advertising are 470g, not 525. Interesting...
Purely a guess on my part, but I suspect the extra 55 grams is from the bolts.
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Old 10-31-2008, 08:12 PM   #10
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Quote:
Originally Posted by Scuba_Steve View Post
Purely a guess on my part, but I suspect the extra 55 grams is from the bolts.
Yup.. Rods are quoted without bolts, which is normal for the industry Lots of different Rod bolt choices and they all come in different weights. One of my old Miata engines had $20 each rod bolts * 8 but they were super strong. Never needed them, just wanted the extra insurance cause I was STUPID! They were 1000hp Bolts
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Old 10-31-2008, 08:17 PM   #11
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Quote:
Originally Posted by Scuba_Steve View Post
Head/valve issues aside, what would be considered a maximum safe RPM with these rods?
9000 would be safe in the 500hp range. Probably go as high as 9,500rpm with less power/load.

I've rev'd a set of rods from the same supplier we use in one of my B18 Honda engines to 10000rpm at 600hp. I was drag racing and needed the extra RPM as I had the wrong tranny on the car. Ran it like that all day, and put the motor in a local guys street car. Still running 2 years later!
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Old 11-10-2008, 07:08 PM   #12
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What are the main differences between your's and the others (Belfab, CAT etc etc)?
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Old 11-10-2008, 07:50 PM   #13
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Quote:
Originally Posted by Dark Wanderer View Post
What are the main differences between your's and the others (Belfab, CAT etc etc)?
We set out to get Miata rods and contacted multiple companies with our design and specs. We ended up selecting 1 supplier and started doing business with them as we liked their quality and business manner the best. The other company decided to use our design and make rods.

I won't say their rods are crap, but I will stand behind our rods as been an excellent rod and will put them head to head against any other off the shelf Miata Rod, but at 1/2 the price

Plus the sets are in Canada and ready to ship to you in Quebec, or to our US customers (95% of our business is USA)
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Old 11-10-2008, 10:40 PM   #14
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so how much in C$?
If our aussie peso didnt drop so much recently id be up for set.

Last edited by kula; 11-10-2008 at 11:06 PM.
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Old 11-12-2008, 02:25 PM   #15
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When is this going to be over? I need to arrange some money movement.
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Old 11-12-2008, 07:52 PM   #16
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dropping my car off at shop today. set of these rods are going to be installed in my 1.6L late next week
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Old 11-12-2008, 10:09 PM   #17
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if I had seen this before dropping $400 into new gear for my mountain bike I would have bitten.
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Old 11-12-2008, 10:48 PM   #18
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I've not had a whole lot of action on the group buy yet. I may be able to make it happen if I get 5-7 people.
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Old 11-16-2008, 11:14 PM   #19
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Hmmmmmmmmmmmmm
Do I swap these rods into an otherwise stock 94 block, or do I wait for a slightly used built motor to show up?
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Old 11-17-2008, 04:03 PM   #20
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Put me on the list... I will pm info. 90-93
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