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Running a 4.77 R&P
Posted: Fri Aug 28, 2009 10:36 am
by CBR_TOY
is it possible to just bolt up and go or is there more involved?
i've heard about spacers and other things such as.....
any help appreciated
Posted: Fri Aug 28, 2009 11:23 am
by mexellent
Thats a really good question. I talked to a guy who set up axles for midget cars (they take our axles and modify them). He was saying he couldnt imagine a 4.77 R&P because he thought the 4.3 was already really aggressive.
Posted: Fri Aug 28, 2009 12:30 pm
by CBR_TOY
the 4.77 is pretty common for the 86 crowd....
a 5.1 or 5.3 would be aggressive in my opinion but good luck finding one of those
Posted: Fri Aug 28, 2009 2:13 pm
by ga_goosh
yes you have to reshim the pinion gear to set your back lash since you have to remove it from the pumpkin carier. might as well replace the crush sleve while your at it or do a complete rebuild. i wouldnt want to do it again if my bearings went out.
Posted: Fri Aug 28, 2009 10:22 pm
by dr.occa
what sean (aka ga_goosh) said.
when you introduce a new ring & pinion, you've introduced new components that have seen no load. plus, if you see the shims for the crush sleeves, you'll see that each ring & pinion will vary by that much, one from another. your present ring & pinion will have worn together at present backlash and pre-load.
you'll want to have the diff re-set up so your investment won't have been in vain. if you're going with weir performance's 4.77 r&p go ahead and add their awesome crush (not so crushable like oem!!!) sleeve and shim set too.
i plan to pick up their r&p as soon as things ease up with what i'm currently trying to get off the launching pad.
Posted: Sat Aug 29, 2009 7:38 pm
by CBR_TOY
i wanna get DCPerformances 4.77 r&p setup.... but i'm not sure if they have the crush washers
i do know they have the spacer though
Posted: Sat Aug 29, 2009 8:16 pm
by dr.occa
CBR_TOY wrote:i wanna get DCPerformances 4.77 r&p setup.... but i'm not sure if they have the crush washers
i do know they have the spacer though
the shims come with the "crush" sleeve.
Posted: Wed Sep 02, 2009 7:32 pm
by nexus4400
I have a DCPerformance 4.77 R&P. Great acceleration, horrible top end. 4000 RPM in 5th gear = 62 MPH (measured by my GPS).
.
Posted: Sun Nov 22, 2009 7:17 pm
by 85levin
the solid pinion spacer is a must. cheap insurance, i have seen diffs fail because of this. keep in mind that your speedo will be off. you need to change out the plastic gear in your trans according to the tire size.
Posted: Sun Nov 22, 2009 8:30 pm
by CBR_TOY
not too worried about speedo as it's just a drift car.....
still waiting to get this due to no job :D
Posted: Sun Nov 22, 2009 10:20 pm
by mooreofit
what do you do? maybe i can ask around.
Posted: Mon Nov 23, 2009 12:48 am
by CBR_TOY
weld, waterjet, automotive, anything that pays........
Posted: Mon Nov 23, 2009 9:13 am
by mooreofit
well brake check is always hiring\fred hass toyota in spring is hiring right now. i can ask around about a welding job i assume you are certified? all tig positions? theres a couple machine shops out in cypress that might be hiring.ill have to ask.
Posted: Mon Nov 23, 2009 1:20 pm
by CBR_TOY
not certified and tig is my weak point...... would rather not weld
Posted: Mon Nov 23, 2009 1:33 pm
by mooreofit
brake check hires at 10 bucks an hour for a general tech and after a month or so you go to commision tech which is 10 percent on brakes and front end 15 percent on everything else. average c-tech weekly is around $6-700.they hire with no u.a. just gotta have tools.they are always hiring.ntb is also hiring and they pay better than brake check.my little brothers buddy's a service writer at fred haas and tells me they are hiring also.
also if you hit up craigslist and houstonchronicle.com there seems to be a bunch of tech jobs in the auto section.