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| FordZombie |
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Hey guys
Just wondering if anyone can tell me how much the fuel economy will change if I swap the rear axle on my EF Falcon GLi for an XR6 rear axle? Am I gonna get better acceleration out of this? It just seems the gear timing is letting me down a bit with the 5-speed manual
_________________ BA XR6 Turbo
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| data_mine |
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I'm about to do the same on my EL.
_________________ 1998 DL LTD in Sparkling Burgundy, daily, 302W, stereo, slow |
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| Smokey...Retired! |
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...a normal falcon 6cyl diff has a lower ratio than the xr6....3:08 vs 3:63 I think so yeah take off should be notably different n u shudnt be in 1st gear very long!
Des.
_________________ Blast from the past..... |
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| smoke_ |
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ef falcon probably has 3.23:1
xr6 is 3.45:1. i wouldn't mind one either, mine is also manual.
_________________ NEW RIDE - FPV FG F6 6spd Auto. 12.26@114MPH, 1.88 60FT on Cheapy Tyres with 38PSI - Stock except K&N filter! |
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| FPV_GTp |
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 i have one for sale
FOR SALE one complete differential BTR to suit EF or EL falcon differential ratio 3.45:1 Limited Slip Differential serious enquiries only complete axle to axle mb : 0438 255 176 http://www.fordmods.com/forums/viewtopic.php?t=13876 cya
_________________ WANTED - Complete BTr4 and zf 6hp26 automatic transmission 6 cylinder and V8 transmission(s) suit rebuild? Drop me a PM if you can help would be greatly appreciated - thanks |
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| arm79 |
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You will probably use about .5l more per 100km. I still get 8.2l/100km on the freeway in my EL Ghia (now manual), so its not that bad for the extra go.
BTW, 1st with a 3.45 will see you about 60km/h banging the redline. |
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| data_mine |
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arm79 wrote: You will probably use about .5l more per 100km. I still get 8.2l/100km on the freeway in my EL Ghia (now manual), so its not that bad for the extra go.
BTW, 1st with a 3.45 will see you about 60km/h banging the redline. For a manual. For autos a 3.45 and 1st will get you to 86.
_________________ 1998 DL LTD in Sparkling Burgundy, daily, 302W, stereo, slow |
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| arm79 |
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data_mine wrote: arm79 wrote: You will probably use about .5l more per 100km. I still get 8.2l/100km on the freeway in my EL Ghia (now manual), so its not that bad for the extra go. BTW, 1st with a 3.45 will see you about 60km/h banging the redline. For a manual. For autos a 3.45 and 1st will get you to 86. Yes for a manual. I thought the topic was concerning manuals, so I posted as such. |
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| data_mine |
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wasn't pickin gon you, just adding, for anyone with an auto reading. And face it, the vast majority of EF/ELs are gonna be autos.
_________________ 1998 DL LTD in Sparkling Burgundy, daily, 302W, stereo, slow |
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| FordZombie |
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arm79 wrote: You will probably use about .5l more per 100km. I still get 8.2l/100km on the freeway in my EL Ghia (now manual), so its not that bad for the extra go.
BTW, 1st with a 3.45 will see you about 60km/h banging the redline. Yeah cheers, If its not that bad. My mate was telling me that I wouldn't have as good cruising speed coz it would be working on higher revs say when highway or freeway driving. Possibly thinking of six-speed gearbox but would be costly
_________________ BA XR6 Turbo
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| arm79 |
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In an auto, my 100km/h cruising rpm is about 2050.
Going to a manual upped that to about 2150. Not much more, just makes cruising a little more noisier. But fuel economy was unchanged, perhaps a little better. |
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| data_mine |
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Interesting how gearing works, because of the gearing the engine isn't working as hard, so therefore the ECU adds less fuel, even though RPMs are up.
Should also be a smoother ride under cruise control too. Again because the RPMs are already there, a downshift for a hill won't be needed as often.
_________________ 1998 DL LTD in Sparkling Burgundy, daily, 302W, stereo, slow |
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12.06@120MPH