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it does, but the mazda speed will lift--the 09's actually have some downforce to them. Most all the racing teams have changed to the 09 style. Lots of differences in the front ends if you look closely.
Underpanelling can be done better--especially gas tank back. Can't wait to see the diffusor Also remove windshieldwipers and side mirrors? OD |
Originally Posted by olddragger
(Post 3790217)
it does, but the mazda speed will lift--the 09's actually have some downforce to them. Most all the racing teams have changed to the 09 style. Lots of differences in the front ends if you look closely.
Underpanelling can be done better--especially gas tank back. Can't wait to see the diffusor Also remove windshieldwipers and side mirrors? OD The MS and the 09 have a little splitter/air dam which could produce some downforce, but I would bet that the engine underpanel had a big effect on removing lift. In stock form the air flow on the s1's would get very turbulant under the engine and the air pressure would build up inside the engine compartment. S you mentioned, the underpanel helps to evacuate the hot air (air pressure) which reduces lift. I use the beat rush and I will have one built that is modeled after the beat rush but with some minor changes. |
Originally Posted by Mawnee
(Post 3788299)
Gotta love that header wrap burn in :D:
Originally Posted by rg1977
-SS Exhaust Manifold, dump-tube and 4" down-pipe by Turblown.net w/ Inconel Heat Shield
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Exhaust nearly complete. 4" T-304 SS Custom Exhaust piping with Dual Vibrant Performance Resonators and E-cutout.
Jimmy at royalmuffler.com is a TIG welding artist, nuff said... https://www.rx8club.com/picture.php?...ictureid=22700 https://www.rx8club.com/picture.php?...ictureid=22699 |
Originally Posted by Nemesis8
(Post 3790400)
But I thought it was Inconel heat shielding? :suspect:
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Originally Posted by rg1977
(Post 3800034)
You're right, it is Inconel. "Most" of that smoke is fuel, 2x 780cc Primaries running on a 2x 290cc Primary Injector map that's been tuned too rich to begin with.
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Originally Posted by Brettus
(Post 3789574)
Wow . What are you doing about gearing ?
Can't seem to locate anything taller than a 3.90 that would be a direct replacement/fit...haven't looked that hard either though. |
Originally Posted by Brettus
(Post 3800042)
why did you do that ?
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/\ anything that can be done with the rx7 diff can be done with the 8 ....
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Originally Posted by rg1977
(Post 3800053)
It wasn't on purpose, meaning I don't intend to run it that way.
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Originally Posted by brettus
(Post 3800056)
oh good - had me worried that you didn't know wtf you were doing for a moment there .......
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Where at in Texas are you located?
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Originally Posted by Spoolin8
(Post 3800090)
Where at in Texas are you located?
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what part of so cal? another so cal beast huh...i would love to check out your 8 in person sometime
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Originally Posted by Brettus
(Post 3800054)
/\ anything that can be done with the rx7 diff can be done with the 8 ....
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/\ I'll ask Rotaman to post what he had done on here because I don't remember the exact deatails .
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Originally Posted by gregs
(Post 3800103)
what part of so cal? another so cal beast huh...i would love to check out your 8 in person sometime
West Hills. |
Originally Posted by Brettus
(Post 3800733)
/\ I'll ask Rotaman to post what he had done on here because I don't remember the exact deatails .
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You got the cutout to fit, cool!
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Hi rj1977
I have changed the diff ratio in my RX8 to 3.9-1 and added an LSD as well. The diff head is from my own RX8, the gear set is from a automatic FD rx7 ( Batman rx7 ). The LSD is also from the FD rx7, as my RX8 is a JDM model and as I have found out, quite a few JDM model RX8s don't come with an LSD, just an open diff. So far I have found the change of gearing to drop the RPM in 6th gear down by about 500rpm Which I think gives a better open road crusing ratio. You will lose a little bit of acceration, but I did the change because I'm going to turbo my car sometime soon, so the turbo should easily compensate for the slight lost of acceration. Just for anybodys info, the 3.9-1 gearset from the RX7 is the same setup that MadMike uses in his RX8 Drift car as seen on the D1 Drift championship in the US, and MadMikes RX8 is a 20b turbo with around the 650hp going through the rear wheels. Hope this info helps |
I smell an RX8 party coming
:djcelebra |
Originally Posted by Rotaman
(Post 3801352)
Hi rj1977
I have changed the diff ratio in my RX8 to 3.9-1 and added an LSD as well. The diff head is from my own RX8, the gear set is from a automatic FD rx7 ( Batman rx7 ). The LSD is also from the FD rx7, as my RX8 is a JDM model and as I have found out, quite a few JDM model RX8s don't come with an LSD, just an open diff. So far I have found the change of gearing to drop the RPM in 6th gear down by about 500rpm Which I think gives a better open road crusing ratio. You will lose a little bit of acceration, but I did the change because I'm going to turbo my car sometime soon, so the turbo should easily compensate for the slight lost of acceration. Just for anybodys info, the 3.9-1 gearset from the RX7 is the same setup that MadMike uses in his RX8 Drift car as seen on the D1 Drift championship in the US, and MadMikes RX8 is a 20b turbo with around the 650hp going through the rear wheels. Hope this info helps I'm actually chasing a lead right now on a 3.308 and 3.636 ring & pinion that would put me right around 206mph to 226mph @ 8K. Btw - Here are a couple of links and some videos & photos on the Dandy FC Land Speed car. A lot of good and bad information to be learned here for anyone thinking of going the Land Speed route...safety first...Racing Beat is also a good place to start if you need a sobering experience or reality check... http://speedhunters.com/archive/2009...le-rocket.aspx http://www.rx7club.com/showthread.php?t=918466 http://www.youtube.com/watch?v=kjZDeeDORKk https://www.rx8club.com/picture.php?...ictureid=22715 https://www.rx8club.com/picture.php?...ictureid=22716 https://www.rx8club.com/picture.php?...ictureid=22714 https://www.rx8club.com/picture.php?...ictureid=22713 |
Exhaust work by Jimmy @ royalmuffler.com- photo updates:
https://www.rx8club.com/picture.php?...ictureid=22736 https://www.rx8club.com/picture.php?...ictureid=22737 https://www.rx8club.com/picture.php?...ictureid=22739 https://www.rx8club.com/picture.php?...ictureid=22740 https://www.rx8club.com/picture.php?...ictureid=22741 |
Originally Posted by 1Revvin7
(Post 3800861)
You got the cutout to fit, cool!
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what made u run a duals instead of a single setup if you dont mind me asking
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