3.73's or 4.10's for MS3 cam A4 car?
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#9
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Think about future goals, I have a a3 with 410s and it does great on motor and on the gas. However I can't hardly go any faster than 126-128 in the 1/4 unless I spin it over 7k which I'm not going to due to stock SB. I am now going to 373s so i have will have room to grow, probably 140 or so will be attainable. Gear swaps are usually pretty pricey, just look at all options and try some online calculators.Good Luck
#13
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373's
The set up in my sig had 373's.....ran 11.90's and got 18 mpg hwy .My new set up is a 408 w/4.11's gets 12 mpg and is wound up tight going down the interstate @ 75 mph.Both cars w/26/17's.With the 4.11's I go through the trap @ 6500 rpm's 115.5 mph
#14
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Hey I'm in the same boat and was curious about the gearing too. I have a 370 cu motor on a 200 shot with the MS3 cam and a stalled 3200 vig converter. I know that stall is a little small for my cam, but I thought if I go bigger I would be blowing thru the converter on the nitrous. I have a 323 gear now, any suggestions to optimize this set up?
#17
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it would depend on what you can put into gas, how you drive your car and how much highway driving you will do. 3.73s will be your best option I had them and loved them until my recent turbo set-up. depending on how your drive/how heavy your foot is you will notice the difference with the 3.73s. 4.10s I agree would be sweet but it will hurt you with a A4 DD unless you don't mind fillin the gas tank a little more. Also a tune would work wonders like you wouldn't believe with new gearing and a stall
#18
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im one of those guys here. I am lookin for a nasty 11 timeslip when i get home, but mainly im a wow factor guy and just want a street car thats funner than shizzle. Got an f13 cam, SS4000, 4.10s and love the shizzle out of it. Blows em off at a street light, and pulls like a monster and at the track, even before cam, i was cutting 1.8s and leaving hard!
#19
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im one of those guys here. I am lookin for a nasty 11 timeslip when i get home, but mainly im a wow factor guy and just want a street car thats funner than shizzle. Got an f13 cam, SS4000, 4.10s and love the shizzle out of it. Blows em off at a street light, and pulls like a monster and at the track, even before cam, i was cutting 1.8s and leaving hard!