M6 and 2.73
M6 and 2.73 I am switching to the M6 not too long from now and I won't have the funds to swap in the 4.30's immediately, so I will be driving with the 2.73 for a while........how horrible is this going to be to drive? I know somebody has done it before.
Joined: Jun 2004
Posts: 1,501
Likes: 7
From: Ft. Irwin, California (But Virginia is home)
It won't be bad. You'll still be better off than an auto with those gears since you can always downshift when needed 
You gas mileage will be awsome too. Depending on your mods, could get as high as 20+/35+ mileage with that combo.
The 4.30's seem a bit steep, even or a manual. Hope you like driving in 6th gear a lot with those. Generally 4.11 is about as high as people with street driven cars go.
You gas mileage will be awsome too. Depending on your mods, could get as high as 20+/35+ mileage with that combo.The 4.30's seem a bit steep, even or a manual. Hope you like driving in 6th gear a lot with those. Generally 4.11 is about as high as people with street driven cars go.
Unless you plan on going full out strip car, you might want to consider 4.10s
4.56 in 6th gear tops out about 125 mph stock hp if im not mistaken, it also takes alot more horsepower to yank those gears fast.
4.56 in 6th gear tops out about 125 mph stock hp if im not mistaken, it also takes alot more horsepower to yank those gears fast.
Originally Posted by MontereyLS1
I am switching to the M6 not too long from now and I won't have the funds to swap in the 4.30's immediately, so I will be driving with the 2.73 for a while........how horrible is this going to be to drive? I know somebody has done it before.
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Originally Posted by MasterCraft
4.56 in 6th gear tops out about 125 mph stock hp if im not mistaken, it also takes alot more horsepower to yank those gears fast.
RPM 1st Gear 2nd Gear 3rd Gear 4th Gear 5th Gear 6th Gear
500 3 5 6 8 11 17
600 4 6 8 10 14 20
700 4 7 9 12 16 23
800 5 8 10 13 18 27
900 6 8 12 15 20 30
1000 6 9 13 17 23 33
1100 7 10 14 18 25 37
1200 8 11 15 20 27 40
1300 8 12 17 22 29 44
1400 9 13 18 23 32 47
1500 9 14 19 25 34 50
1600 10 15 21 27 36 54
1700 11 16 22 28 38 57
1800 11 17 23 30 41 60
1900 12 18 24 32 43 64
2000 13 19 26 33 45 67
2100 13 20 27 35 48 70
2200 14 21 28 37 50 74
2300 14 22 30 39 52 77
2400 15 23 31 40 54 80
2500 16 24 32 42 57 84
2600 16 24 33 44 59 87
2700 17 25 35 45 61 90
2800 18 26 36 47 63 94
2900 18 27 37 49 66 97
3000 19 28 39 50 68 100
3100 20 29 40 52 70 104
3200 20 30 41 54 72 107
3300 21 31 42 55 75 110
3400 21 32 44 57 77 114
3500 22 33 45 59 79 117
3600 23 34 46 60 81 121
3700 23 35 48 62 84 124
3800 24 36 49 64 86 127
3900 25 37 50 65 88 131
4000 25 38 52 67 90 134
4100 26 39 53 69 93 137
4200 26 40 54 70 95 141
4300 27 40 55 72 97 144
4400 28 41 57 74 100 147
4500 28 42 58 75 102 151
4600 29 43 59 77 104 154
4700 30 44 61 79 106 157
4800 30 45 62 80 109 161
4900 31 46 63 82 111 164
5000 31 47 64 84 113 167
5100 32 48 66 85 115 171
5200 33 49 67 87 118 174
5300 33 50 68 89 120 177
5400 34 51 70 90 122 181
5500 35 52 71 92 124 184
5600 35 53 72 94 127 188
5700 36 54 73 95 129 191
5800 37 55 75 97 131 194
5900 37 55 76 99 133 198
6000 38 56 77 100 136 201
6100 38 57 79 102 138 204
6200 39 58 80 104 140 208
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you'll be fine just wont ever use 6th till you get some lower gears, i would go at least 4.10's then going higher will depend on what mods you goign with. I had 4.10's in my lt1 trans am it was great now i'm back to 3.42's with my ls1 and i can defintaly tell that this engine loves gears. But i would either go 4.10's or 4.30's depending on your mods and how high you planning on shifting.
Justin
Justin
Gas mileage my ***. I got 225 miles on a full tank of gas running with my 2.73's on stock a4 tune. When i switched to 3.73's my gas mileage got much better. Yes it is nice running down the highway at 100 mph at 1500 rpms but you talk about sluggish. My clutch chattered like a wife on her anniversary. If I was on a steep hill and i was stopped, I almost had to do a 2500rpm clutch dump to get the thing moving. If you have no hills and do a ton of hwy driving then you will be fine. Those gears absolutly suck for city driving I drove with them for 3 months beleive me I know. 
Good Luck with the swap it is really a breeze once the master is in anyways
Good Luck with the swap it is really a breeze once the master is in anyways
doesnt look like the swap will be bad at all......thanks for the GREAT news lol......I drive through about 8 or 10 redlights on a road that has a 45mph speed limit to go to work haha......got a few hills too
BTW for performance mods the car will get a set of headers and ory and the basic bolt ons......MAYBE a stealth cam....max rpm probably 6600
I can get some Strange 4.56's probably CHEAP so I'm slightly leaning that way.....who knows.
BTW for performance mods the car will get a set of headers and ory and the basic bolt ons......MAYBE a stealth cam....max rpm probably 6600
I can get some Strange 4.56's probably CHEAP so I'm slightly leaning that way.....who knows.
Originally Posted by Plan B
It'll be like taking off in second gear.
but on the plus side you could probably cruise to the 200 mph club with that setup! Definitely bad *** gas mileage for sure!