NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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NoPistons -Mazda Rx7 & Rx8 Rotary Forum (https://www.nopistons.com/)

- Single Turbo Discussion (https://www.nopistons.com/single-turbo-discussion-13/)

- - T3/t4 On Turboii (https://www.nopistons.com/single-turbo-discussion-13/t3-t4-turboii-20039/)

jspecracer7

07-04-2003 07:47 PM

Quote:

Originally Posted by Jims5543' date='Jul 4 2003, 11:27 AM

Assuming you are referring to 2nd gen (13BT engine) and 3rd gen. (13B-REW engine) No the exhaust ports on the 3rd gen are huge compared to the second gen.

The Intake ports are the ones that are different...with the FD being much larger than the FC, but the exhaust ports are identical in both FC and FD. The Cosmo exhaust ports are BABIES in comparison...

1Revvin7

07-04-2003 09:19 PM

haha, a lot of misinformation here. I do recall seeing some side by side pictures fd/fc irons... and the fd intake ports were definately bigger..

jspecracer7

07-04-2003 10:08 PM

Quote:

Originally Posted by 1Revvin7' date='Jul 5 2003, 11:19 AM

haha, a lot of misinformation here. I do recall seeing some side by side pictures fd/fc irons... and the fd intake ports were definately bigger..

Yeah they are...The primary's are almost the same size, but the FD secondary's are SIGNIFICANTLY larger...

Leetheslacker

07-04-2003 10:50 PM

From a RE video.

https://www.nopistons.com/~turboii/a...9ab2e46f18.jpg

https://www.nopistons.com/~turboii/a...641e9ac97b.jpg

Racer X

07-05-2003 02:29 AM

Thanks Lee.I need the info.Its nice to know.

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