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Exhaust Manifold Comparison, RNR Vs. AMS....

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Old Jun 17, 2005 | 01:47 AM
  #31  
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From: Socal
Originally Posted by silverofs
until i see someone go really fast on a rnr kit the ams has proven itself time & time again in real world conditions not just on the dyno.
Whatever helps you sleep at night. BTW, GT40 on this forum (Mark) has been running an RnR manifold on his road race EVO for many miles and many track days. He placed pretty high at the evom shootout didn't he?

Remember that not all people that upgrade their EVOs or go to tracks with their car actually rush home to get on evom to report about it. Also remember that many of these guys build their cars and go to the dyno to see what kind of power their making. Then they go home and drive their cars daily without dragging or tracking. So putting people to the same standards and requiring them to go to all these events like Al and company just doesn't work. AMS is great, but some people think that one company's success means that another company has none. The logic is flawed.
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Old Jun 17, 2005 | 01:55 AM
  #32  
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From: Socal
Originally Posted by gsnt
Did he get in contact with the shop about this? I'm sure the fabrication department would like to know how, where, and why it cracked. That is why every header we build has its own serial number. We strive to constantly improve our products and sometimes failures are a part of the development process. But we cant improve on them if the person doesnt let us know about it.
I actually ran it by Eric and he said that they had since found that weak spot and fixed it on those kits thereafter. You guys stand behind your product and do great work.

You will not find a finer manifold than the RnR, AMS, and Shearer. I have seen and tuned on these and they are all great. They are all tough and make great power. Pick whichever one you like the best, but finding the hidden secret in one that makes it kill the others is not going to happen. They are all quality.
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Old Jun 17, 2005 | 02:12 AM
  #33  
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been running the rnr equal length manifold for 2 years and i have nothing but good things to say! crack free is the way to be.
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Old Jun 17, 2005 | 07:06 AM
  #34  
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Would this new RNR stock replacement manifold be able to flow as much as the ones for the GT30 kits? So if you got that manifold and an ATP turbo kit you would have a nice turbo kit and save about a grand? I mean These AMS and RNR kits are so nice but their prices are just nuts.

Last edited by GOD; Jun 17, 2005 at 07:12 AM.
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Old Jun 17, 2005 | 07:18 AM
  #35  
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From: Mass
Originally Posted by RnR Racing
We have never had a manifold crack and we never plan on it happening either. This is why we offer a lifetime warranty because of the faith we have in our products. Our kit has proven it's self over time to be the best of the best.



We have customers making 460whp on 91 octane and no alcohol injection. This is from stock motors with all the bolt-ons. We also have cars making 731whp. There is a wide range of parts we sell and we are always working on coming out with new innovative products.
I am not starting anything here, I like both of your companies, I actually ended up going with the AMS kit, and honestly it is mainly because of a lot of proven things, They have a driving advertisement that they didn't even ask to be done, the videos spread sooo fast it isn't even funny, so many people have posted great times with these kits. I was so close to getting the RNR kit but then AMS had the group buy also and after adding on a couple small things onto your kit I was maybe 400-500 bucks off of AMS's so I jsut went with the proven results.

Both companies are outstand for power they have made but a lot of debating has gone on with RNR's products, but from the look of it both kits are of extreme quality. As for your above statement of kits you have out there for sale making 731, that is your shop car and with a GT40 turbo, which I assume can be purchased through you at some point but as of off the site I do not see it available.

As for AMS, you guys have it in the works, but already have a 9 second car with the 35r and some right there. Plus when Curt Brown Runs his car he will be in the 9's guranteed. With a little more time he will eventually hit the 8's. To be in the 10.9 point on the stock turbo all he would need to change now is the injectors I am assuming and pop the turbo on and tune it and he will be in the mid 9's without trying something new.

And AMS could answer one question please, If at some point I was to stroke my motor and be able to spool a GT40 turbo from you guys, will it be interchangable between the hole kit of the 35r just take out the 35 and pop in the 40.
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Old Jun 17, 2005 | 07:28 AM
  #36  
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For those smaller not crazily advertised cos like (Slick Motorsports) what do you guys give his manifold on a scale (1-10)???
Attached Thumbnails Exhaust Manifold Comparison, RNR Vs. AMS....-mani2.jpg   Exhaust Manifold Comparison, RNR Vs. AMS....-mani3.jpg  
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Old Jun 17, 2005 | 07:30 AM
  #37  
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the coating is different now, its like a pure ceramic now, its white, but the people who coated it said you can use the really high temp paint to go over it. but, he uses a real big guage of SS and its nice and sturdy, i had that Borla mani on my stock turbo, that thing weighed nothing and it was a piece of ****, cracked on me in like 3 places...... What guage steel is the AMS n stuff?
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Old Jun 17, 2005 | 07:31 AM
  #38  
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From: Mass
Not judging on looks but design I would give him an 8. That look reminds me of Ultimate-Racing which also has extremely good quality stuff. That Manifold I can gurantee will never break, it is just one hard thing to keep loking nice if you coat it.
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Old Jun 17, 2005 | 07:42 AM
  #39  
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STFU tuning you are being VERY VERY misinformed. there has NEVER been a cracked manifold with our kit. The only thing we have ever had a problem with is that the O2 housing bolts over time would back out from the Turbo. we have since switched to a different bolt design and have not had one problem yet.

Once again we have NEVER cracked one of our production Manifold in the 80 plus I have sold. We have not even cracked our initial prototype manifold that is Thin wall 304. And if that isnt enough just to add even more security we made an even thicker support bracket just to be 200% sure if its durrability.

The off the shelf AMS turbo kit went through One lap of america. One of the nations most brutal Road racing events and not ONE ams product even had a hiccup.

Again just in case there is ANY QUESTION , WE HAVE NOT EVER CRACKED AN AMS GT SERIES TURBO KIT MANIFOLD!

I cant imagine someone would spend over $4000 on a kit and not call if the manifold cracked. Especially if it carries a warranty.

Eric
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Old Jun 17, 2005 | 07:46 AM
  #40  
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dude who are you talking to? if you are talking to me i wasnt talking about yours, i said the Borla sucked ***. I know your kit is a hard a ss (hard a ss is good) dont worry. but if you thought it said it go up and read, (notice i didnt even edit it) so any ways
Thanks
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Old Jun 17, 2005 | 07:52 AM
  #41  
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From: Millersburg, OHIO
oh sorry lol i didnt know that was a screen name lol my bad
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Old Jun 17, 2005 | 12:34 PM
  #42  
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Well I must be one of the few. I was looking around today and noticed this:



Been on the car for maybe 500 miles. No auto-x'ing, no drag racing. 3rd runner, small crack at the weld to the flange. **** happens.

Last edited by stvbreal; Jun 19, 2005 at 09:17 PM.
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Old Jun 17, 2005 | 01:00 PM
  #43  
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From: 41° 59' N, 87° 54' W
To help in one's decision, one might want to search evom for customer satisfaction/complaints for rnr/ams ...

l8r)
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Old Jun 17, 2005 | 01:23 PM
  #44  
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From: Heaven
Again just in case there is ANY QUESTION , WE HAVE NOT EVER CRACKED AN AMS GT SERIES TURBO KIT MANIFOLD!


Ummm, uh, I don't believe you, I think you need to send me a GT Seires turbo kit to try for a couple of years, ok? PM me with mailing info, be sure to include your FMIC and some injectors to be REALLY sure. ok?


Thanks!
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Old Jun 17, 2005 | 11:41 PM
  #45  
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From: Socal
Originally Posted by AutoMotoSports
STFU tuning you are being VERY VERY misinformed. there has NEVER been a cracked manifold with our kit. The only thing we have ever had a problem with is that the O2 housing bolts over time would back out from the Turbo. we have since switched to a different bolt design and have not had one problem yet.

Once again we have NEVER cracked one of our production Manifold in the 80 plus I have sold. We have not even cracked our initial prototype manifold that is Thin wall 304. And if that isnt enough just to add even more security we made an even thicker support bracket just to be 200% sure if its durrability.

The off the shelf AMS turbo kit went through One lap of america. One of the nations most brutal Road racing events and not ONE ams product even had a hiccup.

Again just in case there is ANY QUESTION , WE HAVE NOT EVER CRACKED AN AMS GT SERIES TURBO KIT MANIFOLD!

I cant imagine someone would spend over $4000 on a kit and not call if the manifold cracked. Especially if it carries a warranty.

Eric
Eric,

I've held it in my hands. I was not informed of it, therefore there is no way I could be misinformed. Like I said, I held it in my hands. Of course this means nothing and takes nothing away from the quality of your kits as it is obviously an isolated incident. Now, if you'd like to call me a liar, thats a different story entirely.

Is it not enough to be one of the best shops in the US, and make some of the best parts in the country? There is no need to claim infalibility.

As I saw a few posts up, RnR has finally had a manifold incident as well. The point is simply that nobody is perfect, but these kits are BOTH top notch, and ones success takes nothing away from the other.
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