24 Valve Engine and Drivetrain Discuss the 24 Valve engine and drivetrain here. No non-drivetrain discussions please. NO HIGH PERFORMANCE DISCUSSION!

lowering 3.55 without changing question

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Old 08-15-2006 | 09:20 PM
  #16  
SSweeney's Avatar
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From: edgewood NM
I hear ya, I just dont like the winding sound at 2100 rpms for long periods. As RJ said OD is such a tall gear. Why would they make a towing vehicle useless in OD until 70plus mph. If I could just gain 200rpms in OD I would be in the power band at 60. I like 1-3 gear. Oh well, I guess just keep it revved.
Old 08-15-2006 | 10:34 PM
  #17  
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From: Mission Viejo, CA
Originally Posted by yamroamer
Hi Sweeney
I`m at 1800 revs at 60 and have a 4.10 rearend.If you want those revs at that speed the only way to go is fit 4.10 gears.
What size tires are you running? I'm running 265's on my 2WD and am seeing 2000rpm at 62mph. Are you sure your running 4:10's?
Old 08-16-2006 | 03:59 PM
  #18  
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From: Was Leeds England, now Limousin France
Originally Posted by piperca
What size tires are you running? I'm running 265's on my 2WD and am seeing 2000rpm at 62mph. Are you sure your running 4:10's?
Hi Piperca
Running 265s myself and showing near on 60 @ 1800 revs and 66 @ 2000 revs.My axle tag and glove box sticker are showing a 4.10 rear also I think if I fitted the 3.55s I have on the garage shelf I would be doing near 75 @ 2000 revs.But and theres always a but the specification sticker on the door pillar shows the truck as being fitted with 245s,so I wonder if the previous owner fitted 265s and the speedo is slightly out.
Not wishing to hijack the thread but I bought 3.55s from Randys ring and pinion and I am now uncertain whether to fit them.The max speed tow limit here in the UK is 60mph and in certain parts of europe 50.If I do fit them it will mean sometimes I`ll be running with OD locked out.Which in turn will mean I`m running at slightly higher revs.
Not
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