1995 w/42's - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 10-07-2000, 01:08 PM Thread Starter
 
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1995 w/42\'s

Well, I have finally figured everything out I think. I am planning on doing a 2wd to 4wd conversion on my 1995 Chevrolet fullsize ext. cab short bed pickup. I am putting a dana 60 up front and corp. 14 ff in rear. I am throwing on 42 inch super swamper TSL's on 15x10 rock crawler street locked rims. I will be running a total of 10 inches of suspension lift and 3 inches of body lift. I am willing to trim the fenders enough for cut out fender flares. Will I need to do this with this much lift? Also, what gears should I run in my axles to have plenty of power and still be able to drive down freeway. I am planning on AGR steering box and pump w/crossover steering as well. I plan on dual shocks all the way around. Any comments are welcome. Any tips are welcome as well.



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post #2 of (permalink) Old 10-07-2000, 01:52 PM
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Re: 1995 w/42\'s

I'm not sure if you will need to trim the fenders with 13" of lift, as for gears, I would use 5.13's if your truck has overdrive, 4.88's if it doesn't. With 42" tires it would probably be a good idea to get a heavy duty transfercase. With 10" of front lift you're probably going to have to cut and re-weld the steering nuckle things so you can point the axle up twards the transfercase and still have good steering.In the rear, a shackle flip and 6" springs is probably the best way to get 10". Hope this is helpful.
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post #3 of (permalink) Old 10-07-2000, 02:16 PM Thread Starter
 
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Re: 1995 w/42\'s

I am planning on a NP205 mated to the stock 4L60E which will later be replaced with a 4L80E. When I order my axles from Boyce I will give them pinion angle and they do all the rotating for a 100 bucks. I already have the Off Road Design shackle flip kit. I plan on 6" BDS springs. Will 5.13's run well on the freeway at speed?



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post #4 of (permalink) Old 10-07-2000, 02:52 PM
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Re: 1995 w/42\'s

my friend runs a 77 blazer on 40s with 5.13s and he makes frequent trips back and forth from Simpsonsville to Spartanburg at 65 mph and it does fine. but he does run a big block. a small block can get by with 31s-38s at least maybe more. what size engine do you have?

post #5 of (permalink) Old 10-07-2000, 03:09 PM Thread Starter
 
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Re: 1995 w/42\'s

I have 309 HP 350 TBI. It's basically stock chevy with edelbrock performer set up and mult. point injection. Also, I read a post a while ago about the Fast Chips company that will custom make proms for computers. Someone posted www.fastchips.com but that goes to a regular computer chip site (desktop computers not car computers). What is the address to there site.



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post #6 of (permalink) Old 10-07-2000, 03:36 PM
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Re: 1995 w/42\'s

i forgot to tell you that 4lo.com has all kinds of calculators that might help you figure out your engine RPM at certain speeds w/ what gearing and tire size. check it out

post #7 of (permalink) Old 10-07-2000, 04:38 PM
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Re: 1995 w/42\'s

With the 4l60, the overdrive ratio is .696 to 1, I think. With 5.13's and 42's you should run about 2000 rpm at 70. The 4l80's o.d. is .75 to 1, at 70 you should run about 2150 rpm.

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post #8 of (permalink) Old 10-07-2000, 04:45 PM
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Re: 1995 w/42\'s

You gonna need atleast 16" rims for the one ton running gear, otherwise thereīs a whole lot of grinding coming your way [img]/wwwthreads_images/icons/smile.gif[/img]

Andreas

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post #9 of (permalink) Old 10-07-2000, 05:46 PM Thread Starter
 
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Re: 1995 w/42\'s

what grinding?



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post #10 of (permalink) Old 10-07-2000, 06:15 PM
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Re: 1995 w/42\'s

I have no personal experience of this but Iīm told 15" rims are simply too small for 1 ton running gear. At least in the front, dunno about the rear. If you want to stick with 15" rims anyway you have to grind metal off, at the brake callipers (spelling?) for the rim to fit properly. If you havenīt bought your rims & tires yet I suggest you go with 16" and live happily for a 100 years [img]/wwwthreads_images/icons/smile.gif[/img]

Andreas

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