How low can you go?

madmark · 10-14-04, 10:15 PM

A guy I know has a modertally built 350 in his toyota and has 4:10
gears in it now and he wants more bite off the line and was thinking
about going to 4:38's but does not know if they will hold up as good
as the 4:10 . What is your guys opion? should he change or not?
or can he go lower4:88,5:29 or 5:71?

the shed guy · 10-14-04, 10:31 PM

What size tyre does he run?
how many hwy miles does he do?

CruisinGA · 10-14-04, 11:03 PM

he can go as low as he wants- he'll just burn more gas and go slower on the highway working the engine harder.

Tell him to hop on a RPM/MPH calc online (there is a link in tech) and punch in some numbers and see what kind of RPM's he wants to be doing at highway speeds.

Jackson · 10-15-04, 06:18 AM

What year rig, what size tires?

Generally speaking, a good set of gears should hold up fine assuming they are broken in first. I would think he could run up to 4.56s without any trouble, 4.88s would probably be safe too. Anything lower than that might be iffy if he's got a real heavy foot.

madmark · 10-15-04, 08:43 AM

He is running 36x12.5 15 TSL's it is not a dalily driver but he plans
on running it in mud races ?

Isotel · 10-21-04, 02:02 PM

4.88's i guess.. but IH8mud issint the best place for mud race advice.. lol J/K

teapot · 10-31-04, 06:50 PM

i'm not sure how mud racing works. i'm possitve slow(low gears) is not the answer big block bored out and seal every nook and granny. speed and get through it without breaking i think is the key. but what do i know i love rocks. good luck

10-14-04, 10:15 PM	#1
madmark IH8MUD Rookie Join Date: Oct 2004 Posts: 2	How low can you go? A guy I know has a modertally built 350 in his toyota and has 4:10 gears in it now and he wants more bite off the line and was thinking about going to 4:38's but does not know if they will hold up as good as the 4:10 . What is your guys opion? should he change or not? or can he go lower4:88,5:29 or 5:71?

10-14-04, 10:31 PM	#2
the shed guy IH8MUD Addict Join Date: Sep 2003 Location: DOWN UNDER Posts: 624	What size tyre does he run? how many hwy miles does he do? __________________ Darren M. "There's a gigantic grey area between good moral behaviour and outright felonious activities. I call that the Weasel Zone and it's where most of life happens." -Scott Adams 02 KZJ95TDI 285 MTRs ARB Secondairs Engel Shower GPS

10-14-04, 11:03 PM	#3
CruisinGA Ramblin Wreck Join Date: Mar 2003 Location: Georgia Tech Posts: 5,408	he can go as low as he wants- he'll just burn more gas and go slower on the highway working the engine harder. Tell him to hop on a RPM/MPH calc online (there is a link in tech) and punch in some numbers and see what kind of RPM's he wants to be doing at highway speeds. __________________ Bailey Quintrell '74 FJ40--37 Irocks-32 Bolt 'Locks-SM420-ARB-XD9000i-FJ60 PS-MetalTech Cage '93 FZJ80-DD-Part Time 4wd-locked-5" lifted-snorkel-bullbar-315 AT's '97 FZJ80 '98 UZJ100-OEM RR locker ΣΧ

10-15-04, 06:18 AM	#4
Jackson IH8MUD Junior Join Date: Feb 2003 Location: Upstate NY Posts: 83	What year rig, what size tires? Generally speaking, a good set of gears should hold up fine assuming they are broken in first. I would think he could run up to 4.56s without any trouble, 4.88s would probably be safe too. Anything lower than that might be iffy if he's got a real heavy foot. __________________ Jackson 1996 4Runner - 33" MTs, 3.90s and open diffs... LET'S ROCK! ~~ TREAD LIGHTLY ~~

10-21-04, 02:02 PM	#6
Isotel IH8MUD Lifer Join Date: Sep 2003 Location: Crawlorado.com TLCA# 16898 Posts: 2,961	4.88's i guess.. but IH8mud issint the best place for mud race advice.. lol J/K __________________ 1976 FJ40 TBI350 700R4 D300 SOA Locked 37" PBR's Protected by REDLINE Colorado Land Cruisers - Club Redline Land Cruisers - Safety First CrAwLoRadO.com - Just Check it out

10-15-04, 08:43 AM	#5
madmark IH8MUD Rookie Join Date: Oct 2004 Posts: 2	He is running 36x12.5 15 TSL's it is not a dalily driver but he plans on running it in mud races ?

10-31-04, 06:50 PM	#7
teapot IH8MUD Regular Join Date: Oct 2004 Location: bottom of the bottle TLCA# 6722 Posts: 422	i'm not sure how mud racing works. i'm possitve slow(low gears) is not the answer big block bored out and seal every nook and granny. speed and get through it without breaking i think is the key. but what do i know i love rocks. good luck __________________ "nothing so needs reforming as other peoples habits." Mark Twain

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