D1 RX7\'s.....

Started by McCARTHY, May 13, 2006, 02:59:15 PM

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McCARTHY

May 13, 2006, 02:59:15 PM
i have been looking on the offical Japanese D1GP web site and have noticed that the Apex\'i, RE Amamiya, and 1 of the other FD\'s run stock ports on their engines. Only 1 FD and 2 FC\'s have modifed porting. Is there a reason they don\'t have porting????

gsb876

#1
May 13, 2006, 03:19:37 PM
I can only guess but i think they dont need massive amounts of power to drift as the fd is very twitchy anyways so may be harder to drift with even more power ?  :Laugh
"Every generation has the chance to change the world"

Mills & Bains guest author :Giggle

Jit

#2
May 13, 2006, 05:55:48 PM
all porting does is move the power band slightly higher/....drifting doesnt require power at the top end...it needs the lower end grunt especially on more technical tracks...

McCARTHY

#3
May 13, 2006, 06:45:48 PM
there we go job done cheers fellas

monkey-fd3s

#4
May 15, 2006, 03:09:43 PM
I don\'t believe that they are making:

Power: 460BHP
Torque: 50kg-m
Turbocharger: APEX RX6 TCW76-P27 Turbine(Boost set-up 1.0kg/cm2)

Without porting, esp at 14PSI of boost - i was running 17 on my RX before the engine died at that was only 360BHP at the wheels...

McCARTHY

#5
May 15, 2006, 03:20:05 PM
i suppose tho these guys benifit from regular rebuilds from the best in the buisness.... mmmmmmmmm what fun  :Laugh

sadgoth

#6
May 15, 2006, 03:36:49 PM
Quote from: monkey-fd3sI don\'t believe that they are making:

Power: 460BHP
Torque: 50kg-m
Turbocharger: APEX RX6 TCW76-P27 Turbine(Boost set-up 1.0kg/cm2)

Without porting, esp at 14PSI of boost - i was running 17 on my RX before the engine died at that was only 360BHP at the wheels...

but what fuel are they using, if it is standard (even Jap standard 100RON) I\'d agree, but I expect they are using race fuel?
Mark
89 Black FC3S Turbo II
1/2 Bridge port   Microtech LT10s   TII Conv Aluminium Bonnet & Leather seats   Koni Shocks Pi Springs   De-catted 3" exhaust  
GT4088 turbo   Walbro fuel pump   1000cc injectors   custom V-Mount   Blitz Boost Controller (ok so the boost controller is still to fit)

Loud? Hell yes! :D

J.j.

#7
May 15, 2006, 03:40:15 PM
Quote from: monkey-fd3sI don\'t believe that they are making:

Power: 460BHP
Torque: 50kg-m
Turbocharger: APEX RX6 TCW76-P27 Turbine(Boost set-up 1.0kg/cm2)

Without porting, esp at 14PSI of boost - i was running 17 on my RX before the engine died at that was only 360BHP at the wheels...


Maybe they have some home kept secrets?   :Giggle  Not unusual for those clear Japanese.
It\'s always been like that in the past.  They\'ve always kept the best for themselves, then release them a few years later when they are outdated in the home market.

rextreme

#8
May 16, 2006, 03:42:12 AM
those figures are flywheel power figures.

Most Jap measures are at the flywheel.

Not hard to get a 450hp ( fly ) fd with bolt on parts.
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