70mph @ 2000 rpm ok?

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Oct 18, 2012 | 04:47 AM

Ali 556

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70mph @ 2000 rpm ok?

hi,
just got my '05 RCSB with 5.3 and i was doing 70mph@2000rpm, so is that hi or low?

also can any one calculate my rear end ration based on this? tires are 265/70/17

thx

Oct 18, 2012 | 05:32 AM

dirt track racer 81

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From: Hennessey, Oklahoma

I turn 2700 at 70.. Your ok..

Oct 18, 2012 | 05:37 AM

Ali 556

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rear end ratio ? tires are 265/70/17

Oct 18, 2012 | 05:47 AM

iamkeniff

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From: Gonzales, la

i turn 2000 @ 70 all day long in both of my trucks.
08 has a 6spd and 4:11s
94 has 4spd with 3:42s

Oct 18, 2012 | 05:48 AM

03sierraslt

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Going guess you have 3.73

Oct 18, 2012 | 06:41 AM

TXSZ66AVLANCHE

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Why not look up the gear ratio RPO in glove box?

Oct 18, 2012 | 08:50 AM

TXsilverado

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From: Humble Texas

yes 2k at 70 is normal. i would also guess 3.73 gears depending on the tire size.

70mph @ 2000 rpm ok?

70mph @ 2000 rpm ok?

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