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13b extend port in first gen tuned

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Old 05-11-15, 05:06 AM
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13b extend port in first gen tuned
Hi so I put a 13b s5 extend port in my 1980 rx7 ,running na with ida electronic dizzy extractors twin 2" exhaust to 3" under diff to boiler style muffler got it dynod today at 200hp well 202 hp to be precise, and it goes real well I think , just wondering if this is what you'd all expect I was quite impressed !
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Old 05-11-15, 07:11 AM
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not sure if that result is to be "expected", but it is a great result. you should feel good about it. what rotors did you use and what size IDA?
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Old 05-11-15, 01:22 PM
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What is an extend port?????
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Old 05-11-15, 04:43 PM
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it's Kiwi/Aussie-speak for a streetport; though the size varies,
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Old 05-11-15, 06:13 PM
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is this horsepower at the wheels? Pretty solid numbers
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Old 05-12-15, 02:05 AM
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Fd rotors crank 48 ida fc plates (as you can buy ida manifold easily ! Yes at the wheels !and 420 nm of torque !
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Old 05-19-15, 02:41 AM
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Pretty shure you mean 220 nm.
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Old 05-19-15, 11:30 AM
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nah, he meant 420...
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Old 06-01-15, 12:06 AM
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There's a pic of dyno sheet at the wheels , dyno power tauranga ! Brilliant tuner!
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Old 06-01-15, 12:07 AM
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Originally Posted by Pettersen
Pretty shure you mean 220 nm.
Iv just posted the dyno sheet for ya
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Old 06-01-15, 12:09 AM
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Originally Posted by ibeljin
is this horsepower at the wheels? Pretty solid numbers
At the wheels !
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Old 06-01-15, 12:11 AM
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Pic of the old girl off to the beach
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Old 06-01-15, 05:33 AM
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good power but arnt webbers illigal because of polution on a 1980 mazda
thats ok till the epa gets you then you gonna have to go back to the nikki carb or efi
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Old 06-02-15, 04:17 AM
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Originally Posted by mrr_13b
good power but arnt webbers illigal because of polution on a 1980 mazda
thats ok till the epa gets you then you gonna have to go back to the nikki carb or efi
??? No ? Not here in nz ?? It just got a wof no problem ..
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Old 06-02-15, 07:43 AM
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yeah EPA in Nz ha ha.... nice ride... which dizzy you running, seems like you got some more on the table if you ever get the EFI itch :P
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Old 06-05-15, 09:04 AM
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Originally Posted by series1 rx7 NZ
Iv just posted the dyno sheet for ya
The scaling on the Torque axis is probably wrong.

Here is a sheet from a stock rx7 Turbo 2, and one from my Na 13B with streetport for comparison.



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Old 06-06-15, 09:53 AM
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Originally Posted by Pettersen
The scaling on the Torque axis is probably wrong.

Here is a sheet from a stock rx7 Turbo 2, and one from my Na 13B with streetport for comparison.



on one scale torque is equal to hp, the other it is not, that bugs the hell outta me.
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Old 06-06-15, 11:44 AM
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Originally Posted by Pettersen
The scaling on the Torque axis is probably wrong.

Here is a sheet from a stock rx7 Turbo 2, and one from my Na 13B with streetport for comparison.



on one scale torque is equal to hp, the other it is not, that bugs the hell outta me.
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