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14-07-2005, 06:25 PM | #1 | ||
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after some diff info i have a 75 model 2 door mk11 it has a removable center was wondering if this was a standard diff in the 1600. it is 3.93 ratio can you get a 3.25 or similar ratio to fit. any help would be appreciated.
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15-07-2005, 12:07 AM | #2 | |||
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As far as I am aware, the tallest ratio you can get is a 3.54:1, not sure why you'd want a ratio any taller then that...
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15-07-2005, 03:15 PM | #3 | ||
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country driving all of its life so want good legs over acceleration. plus are they removable centre or integral
mine has been modded and i am unsure if it is standard Last edited by ea007; 15-07-2005 at 03:20 PM. Reason: forgot to add |
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15-07-2005, 07:37 PM | #4 | ||
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It doesnt work like that if you put in too tall a diff the engine works very hard and you use LOTS more fuel, ask anyone that has put big tyres on a 4x4 less rpm but more fuel overall.
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15-07-2005, 08:07 PM | #5 | |||||
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15-07-2005, 07:58 PM | #6 | ||||
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If its a '75 Escort, and not an imported RS, then it also wouldn't have originally had a 2000cc "Pinto" OHC engine, it would have had either a 1300cc or 1600cc "Kent" pushrod OHV engine. What does it say on the compliance plates, just the model #, engine and trans codes? I say that because I know my Escort was originally an XL 1600, but now it's got GL badges, a Ghia interior and instrument cluster and a 2000cc pinto under the hood...
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15-07-2005, 08:14 PM | #7 | |||
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Oh yeah, you'd probably benefit much more from slotting a 5 speed box behind it then changing the diff ratio. Personally, I'd go for a sierra 5 speed box, pretty easy to fit and same ratios in 1st to 4th, but with an overdrive for 5th.
I think you'd be more then happy if you swapped the 4 speed for a 5 speed
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16-07-2005, 11:41 AM | #8 | ||
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ok thanks for the help. it does i found the engineer cert for all the mods. used to be a 1600 had a rs2000 front and a group 3 flare kit of rallicross(genuine ford), it has 14 inch wheels so i will try 3.54 first. 10 point rollcage and no back seat
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18-07-2005, 09:16 PM | #9 | ||
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Capris have a 3.22 diff - much bigger ring gear than Escorts but I think the centre distances on the spring eye bolts are the same, so if you found one you could bolt it in drum to drum ... still, I reckon you're better off with a five speed.
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23-07-2005, 10:40 AM | #10 | ||
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thanks for the input had someone suggest fitting a mx5 motor and 5 speed box leaving the current 3.93 diff as the mx5 put out about 75kw from a lighter lower capacity engine. any thoughts ????
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23-07-2005, 12:53 PM | #11 | ||||
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