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HSG R gear box final gear extension

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Started by Rvr_HSG, Jan 07 2018 10:47 AM

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15 replies to this topic

#1
Rvr_HSG
Posted 07 January 2018 - 10:47 AM

Rvr_HSG

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Hi guys, just seeing if anyone would know where or how I could go about get the final gear extended? On the motorway at 110km/h im sitting at like 3500-3800rpm. I'd rather it be down around 2500-2800rpm. That will be enough torque to coast along and if I need to overtake I can drop it down. I always do anyway so that won't phase me. And that should gain alot more fuel economy for my commute. I work 20mins away from home and 15mins of that is on the motorway cruising. So it makes sense to look into this.

Cheers guys

#2
Taz
Posted 07 January 2018 - 10:49 AM

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some evo 3s run a 3.5 ratio instead of 3.9 thatd probably be the easiest way, evo 3 box and crown and pinion from a rear diff but that alone will be 1k + to buy assuming its a self install etc. 


#3
bazeng
Posted 07 January 2018 - 01:14 PM

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Convert the rvr 3.9 to a VR4 or langsr 3.5 ratio.

Want more. Maybe you can do a cyborg 2.8

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#4
Rvr_HSG
Posted 07 January 2018 - 09:20 PM

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Is that the diff ratio or the gearset? I'm happy with the other gears just 5th that's too short. If I change out the diff I'll screw with the other gears. I don't want to be changing into 2nd at 70 and then 3rd at 125km. Lol

#5
White Knight
Posted 08 January 2018 - 03:55 AM

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I explore this avenue myself a few years ago for the same reason. I didnt get far as circumstances changed.
I imagine that there really isnt much in the option of changing just the 5th gearset to drop freeway revs. Looking at most w5m gearboxes, the 5th gear is pretty similar across the board.....

#6
brisvr4
Posted 08 January 2018 - 04:12 AM

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Evo 3 5th gear has the longest legs of any 5th gear out there.

Unfortunately they aren't made any longer and existing stocks out there are pretty much dried up.

TMZ performance had some but I think he sold out.

 

I've also never seen an Evo3 with a 3.5 final ratio, Taz, could you point out where you saw it?


Tim
Dsmlink V3 + E85 :drool: 11.37 @ 131.46 ... still more in her

Remember Kids... Google does not equal research!
 

Magnus
How much time do you spend in a parking lot with your performance car? If you do a lot of parking lot driving, and hang out in parking lots, chances are you are a ricer, go home and read import tuner. If you’re complaining about noise you should not be modifying your car. You should also consider no longer being a man, please hand in your genitals at the door.

#7
Taz
Posted 08 January 2018 - 04:16 AM

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Baz sent me a very handy list when i was wanting to know a ratio of box i was gonna buy

 

W5M33-2-NGRE Lancer gsr RS (1992, 1800cc) ? W5M33-2-NNZT Eclipse AWD 5spd mfg 3/94 ? W5M33-2-NPXV 91-94 Eclipse AWD 5spd mfg 6/90-2/94 ? W5M33-2-NPZT 95-96 Eclipse AWD 5spd mfg 3/94-6/96 ? W5M33-2-NQBE Libero/Lancer Gsr, non lsd version of NRWE No 3.545 W5M33-2-NQBK 1991-92 to 4/92 VR4/ZR4 Galant ? W5M33-2-NQBM 1992 Galant to 5/92 ? W5M33-2-NRBE 92-95 Lancer GSR, lightweight synco's 2nd & 3rd No 3.545 W5M33-2-NRWE 92-95 Lancer GSR, stronger box, dbl syncro 2nd Yes 3.545 W5M33-2-NRXD 1990 Cyborg No 3.545 W5M33-2-UPFE Evo3 RS with front LSD Yes 3.909 W5M33-2-UPGE Evo3 GSR non LSD No 3.909 W5M33-2-UPWE Evo3 GSR with front LSD Yes 3.909 W5M33-2-UPYE Evo3 RS non LSD No 3.909 W5M33-2-WPFE Evo2 RS with front LSD Yes 3.909 W5M33-2-WPGE Evo2 GSR non LSD No 3.909 W5M33-2-WPVF Galant VR4 E84A ? W5M33-2-WPWE Evo2 GSR with front LSD Yes 3.909 W5M33-2-WPYE Evo2 RS non LSD No 3.909 W5M33-2-WQFE Evo1 RS with front LSD Yes 3.909 W5M33-2-WQFK Galant VR4 evo ? ? W5M33-2-WQGE Evo1 GSR non LSD No 3.909 W5M33-2-WQNK VR4 Evo, close ratio box ? No 3.909 W5M33-2-WQWE Evo1 GSR (and RS?) with front LSD Yes 3.909 W5M33-2-WQYE Evo1 RS non LSD No 3.909

 

judging by that list a few of them were 3.545 although id imagine are pretty rare?


#8
brisvr4
Posted 08 January 2018 - 04:21 AM

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Looks like only the GSR's not the actual evo's got 3.545's. 

We used the final drive from a GSR box to convert a mates Evo3 box to 3.5


Tim
Dsmlink V3 + E85 :drool: 11.37 @ 131.46 ... still more in her

Remember Kids... Google does not equal research!
 

Magnus
How much time do you spend in a parking lot with your performance car? If you do a lot of parking lot driving, and hang out in parking lots, chances are you are a ricer, go home and read import tuner. If you’re complaining about noise you should not be modifying your car. You should also consider no longer being a man, please hand in your genitals at the door.

#9
penngwyne
Posted 11 January 2018 - 03:05 AM

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What about slightly larger diameter wheels/tyres??
 


Still love the RVR but am paranoid about little noises

#10
Rvr_HSG
Posted 11 January 2018 - 03:46 AM

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Yeah but to go down 500-1000rpm on the motorway?? That's some Bigg ass wheels and then throws the Speedo out...

#11
jack be nimble
Posted 13 January 2018 - 06:10 AM

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And affects all other gears.

Are both 5th gears removable? I remember the input shaft gear is.

Maybe can custom make the 2 gears. Aldo will know more about getting gears made.
Or mathias....
4g93t jumbuck conversion. PRANGED 18/3/12, CHECK MY MEMBER RIDES Page 11. no serious human injuries.
ON THE ENGINE STAND. g4cs 2.4l + Gt35r. PLUS: auto conversion + Awd coming.
thanks for parts and help: BMGTZ, EVOCPE, cwolf, Benozi, Jamo-GSR, 1JUM2NV, RXVII..much appreciated, cheers guys.
Aerodynamics are for people who can't build engines. —Enzo Ferrari
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#12
jack be nimble
Posted 13 January 2018 - 06:17 AM

jack be nimble

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To go from 3500rpm to 2800 is around 30%. That is a huge amount of difference in gearing.

Operational egr can give you 10% better economy at coasting. Maybe check yours is working and not clogged up
4g93t jumbuck conversion. PRANGED 18/3/12, CHECK MY MEMBER RIDES Page 11. no serious human injuries.
ON THE ENGINE STAND. g4cs 2.4l + Gt35r. PLUS: auto conversion + Awd coming.
thanks for parts and help: BMGTZ, EVOCPE, cwolf, Benozi, Jamo-GSR, 1JUM2NV, RXVII..much appreciated, cheers guys.
Aerodynamics are for people who can't build engines. —Enzo Ferrari
REMEMBER: you cant polish a turd, but you can roll it in glitter.

#13
evo-gsr
Posted 13 January 2018 - 06:39 AM

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Dont think Rvr's have Egr?
Could be wrong.
[qoute name="BMGTZ" post="331212" timestamp="1467451744"]I don't know anything ...
Trust in the master of taxis.... He will set you straight[/quote]

#14
Taz
Posted 13 January 2018 - 08:32 AM

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no egr on rvr


#15
evo-gsr
Posted 13 January 2018 - 09:19 AM

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Didnt think so.
[qoute name="BMGTZ" post="331212" timestamp="1467451744"]I don't know anything ...
Trust in the master of taxis.... He will set you straight[/quote]

#16
Rvr_HSG
Posted 13 January 2018 - 09:49 AM

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Is it possible to get an adaptor plate or stronger gearbox? These seem pretty unreliable from what I've read? Or is it just mine?

Edited by Rvr_HSG, 13 January 2018 - 09:49 AM.

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