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Help determine tire size 26 or 27. Info listed inside

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Old 08-24-2009, 07:29 PM
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Default Help determine tire size 26 or 27. Info listed inside

I have attached my dyno sheet and tire and gear info. I expect to run somewhere between 128-132. Should have my Bogarts this week and ready to order some tires. QTP is the only one that offers a 27 x 11.5 so If I need to run the 27 I will need to go with those tires. Let me know what you guys think.

26 tires


RPM 1st Gear 2nd Gear 3rd Gear 4th Gear 5th Gear 6th Gear
500 4 5 7 9
600 4 6 9 11
700 5 7 10 13
800 6 8 12 15
900 6 10 13 17
1000 7 11 15 19
1100 8 12 16 21
1200 9 13 17 23
1300 9 14 19 25
1400 10 15 20 26
1500 11 16 22 28
1600 11 17 23 30
1700 12 18 25 32
1800 13 19 26 34
1900 13 20 28 36
2000 14 21 29 38
2100 15 22 30 40
2200 16 23 32 42
2300 16 24 33 43
2400 17 25 35 45
2500 18 26 36 47
2600 18 28 38 49
2700 19 29 39 51
2800 20 30 41 53
2900 21 31 42 55
3000 21 32 44 57
3100 22 33 45 58
3200 23 34 46 60
3300 23 35 48 62
3400 24 36 49 64
3500 25 37 51 66
3600 26 38 52 68
3700 26 39 54 70
3800 27 40 55 72
3900 28 41 57 74
4000 28 42 58 75
4100 29 43 59 77
4200 30 45 61 79
4300 30 46 62 81
4400 31 47 64 83
4500 32 48 65 85
4600 33 49 67 87
4700 33 50 68 89
4800 34 51 70 91
4900 35 52 71 92
5000 35 53 73 94
5100 36 54 74 96
5200 37 55 75 98
5300 38 56 77 100
5400 38 57 78 102
5500 39 58 80 104
5600 40 59 81 106
5700 40 60 83 108
5800 41 61 84 109
5900 42 63 86 111
6000 43 64 87 113
6100 43 65 89 115
6200 44 66 90 117
6300 45 67 91 119
6400 45 68 93 121
6500 46 69 94 123
6600 47 70 96 125
6700 48 71 97 126
6800 48 72 99 128
6900 49 73 100 130
7000 50 74 102 132
7100 50 75 103 134
7200 51 76 104 136




27 tires


RPM 1st Gear 2nd Gear 3rd Gear 4th Gear 5th Gear 6th Gear
500 4 6 8 10
600 4 7 9 12
700 5 8 11 14
800 6 9 12 16
900 7 10 14 18
1000 7 11 15 20
1100 8 12 17 22
1200 9 13 18 24
1300 10 14 20 25
1400 10 15 21 27
1500 11 17 23 29
1600 12 18 24 31
1700 13 19 26 33
1800 13 20 27 35
1900 14 21 29 37
2000 15 22 30 39
2100 15 23 32 41
2200 16 24 33 43
2300 17 25 35 45
2400 18 26 36 47
2500 18 28 38 49
2600 19 29 39 51
2700 20 30 41 53
2800 21 31 42 55
2900 21 32 44 57
3000 22 33 45 59
3100 23 34 47 61
3200 24 35 48 63
3300 24 36 50 65
3400 25 37 51 67
3500 26 39 53 69
3600 27 40 54 71
3700 27 41 56 72
3800 28 42 57 74
3900 29 43 59 76
4000 29 44 60 78
4100 30 45 62 80
4200 31 46 63 82
4300 32 47 65 84
4400 32 48 66 86
4500 33 50 68 88
4600 34 51 69 90
4700 35 52 71 92
4800 35 53 72 94
4900 36 54 74 96
5000 37 55 75 98
5100 38 56 77 100
5200 38 57 78 102
5300 39 58 80 104
5400 40 59 81 106
5500 41 61 83 108
5600 41 62 84 110
5700 42 63 86 112
5800 43 64 87 114
5900 43 65 89 116
6000 44 66 90 118
6100 45 67 92 120
6200 46 68 93 121
6300 46 69 95 123
6400 47 70 96 125
6500 48 72 98 127
6600 49 73 99 129
6700 49 74 101 131
6800 50 75 102 133
6900 51 76 104 135
7000 52 77 105 137
7100 52 78 107 139
7200 53 79 109 141
Attached Thumbnails Help determine tire size 26 or 27.  Info listed inside-dynosheets013.jpg  
Old 08-26-2009, 05:14 PM
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I am thinking 27's for both the 1/8 and 1/4. Any opinions??
Old 08-29-2009, 03:53 AM
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28's. for consistency and a better 60'
Old 08-29-2009, 06:20 AM
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I vote 28's also. you've got plenty of power for them. But if I had to choose between 27 and 26 i'd go with the 27's
Old 08-29-2009, 01:56 PM
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My current thought was the Hoosier 26's as they run almost 1/2 over the other 26's.
I would love a pair of 28's however I do not want to cut on the rear bumper cover at all. Also the 28's would put me at like a 3.90 gear. Would that help me or hurt me in the 1/4?? Thanks for the replies.
Old 08-30-2009, 03:52 PM
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I have decided to go with the M & H full 27 x 10 slick. As the tread width is the same as a cheater 27 x 11.5. No one makes a 27 x 11.5 full slick that I could find.
Old 08-31-2009, 03:58 PM
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Yes M&H 27'' tire will do great. Same tire i'm going with. I was on the m&h 26'' tire getting 1.42 to 1.44 60's n/a m6 car 3,700lbs. The m&H tires hook.
Old 08-31-2009, 06:37 PM
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Just put my order in. Talked with John and he said to go with the tubes without a doubt so that is what I am doing. Already called Bogart to drill the valve stem holes out to 5/8 before they even ship them to me. Only prob is they are 2 weeks out for those tires.

Mike, are you running the tubes??



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