View Full Version : HELP!! 55 stay alive
05-06-2006, 10:03 PM
Someone Help nOOb here... How can i get my sammi to go over 55.. I've got 2" OME lift and 30x9.50... How can i get this thing up and movin... I have the stock 1.3 motor.. :multi:
How fast did it go on the same stretch of road before the upgrades?
If your rig is running correctly,ie tune up,valve adjust,etc then you should look into gear changes if you are still running the stockers.
If so consider getting some Kick 4.62 or 5.12 and swapping them in.
05-06-2006, 10:52 PM
don't know dude just bought it 2 weeks ago...
05-07-2006, 11:47 AM
Since you have 6:1 gearing in the case, I assume, and are only running 30's go for bigger tires, like 32' 33's, ect. Try and match the tire size to the gear ratio. Then you should be able to go faster. Having lower gears and small tires can limit the street driving speed, great for offroad though. I have a SPOA lift, 33's, 4:1 case, stock engine and I can get up to 65 usually.
05-07-2006, 12:45 PM
If I did the math right, I don't think tires are the problem. Depends -- do you know if you still have stock gears in the differentials?
If you do, it looks like you should be spinning about 3200 RPMs at 55 in 5th gear. That motor is good to about 6000 RPM. 6000 RPM would put you about 103 MPH.
So the question is are you reving out or is it lack of power?
Assumed you have a 88 and not an 88 1/2. (Fifth gear is higher in the 88.) .795:1
Assumed you have a 24% reduction in high gear with your 6:1 t-case so stock t-case is 1.409. Add 24% reduction = 1.75:1.
Assumed your 30" tires are really 30"s (most manufacturers make 'em just a little smaller).
Assumed you have stock axle gears. 3.73:1
Then I just plugged the figures into this calculator (http://www.4lo.com/calc/gearratio.htm)
05-07-2006, 04:27 PM
I just called the dude I bought it off of and the T-case is stock the 6:1 is the one that i sitting inside the parts sam.. all the diffs and t-case are stock
05-07-2006, 11:32 PM
I would put new plugs, wires, cap, rotor, PCV, air and fuel filter. This will run you about 100 bucks and should improve your top speed or at least get you better gas mileage. It will definitly be worth the 100 bucks and hour of your time. While you have the plugs out check the compression in each cylinder. This is an easy and effective way to see if the engine is lacking power. The manual says comp. to be at 199 but I have only seen them as high as 145 and drove one with 30" tires 2" lift with 120 comp. and I got up to 65 easy.
How about 60.00 for tune up parts.
05-07-2006, 11:55 PM
There are a multitude of reasons for lack of power. If it needs a tune-up, that's a good place to start -- you'll not be throwing your money away -- as long as you're not swapping the motor anytime soon.
05-08-2006, 09:36 AM
How about 60.00 for tune up parts.
Killer deal. Nice one Zee. :happy
05-13-2006, 09:31 PM
I may open up a can of worms here but if you're not used to driving these little guys you might think you need to shift when you may not... Go ahead and let her wrap up to around 6 grand before shifting, you'll get more speed out of it... It might take a while to get used to the sound...he he It only took me a year... I was always wondering why the guys I was wheelin with could pass me like I was standing still...simple, they were driving 'em like they stole it... So, I've since let the rpms get higher before shifting and I've gotten a good 5mph more out of it on the top end. Okay, fire away boys...2finger
05-14-2006, 12:34 AM
So, I've since let the rpms get higher before shifting and I've gotten a good 5mph more out of it on the top end. Okay, fire away boys...2finger
Let'r rip tator chip!!!
05-14-2006, 11:39 AM
I belive OKie can attest to that!
05-14-2006, 05:27 PM
I take it to about 5K before I shift... It gets me there.
06-09-2006, 12:34 PM
Im running stock gears throughout with 31-10.50's on it. Stay out of overdrive and let her rip. Mine runs much better at 4 grand going down the highway. According to my gps I run about 17mph per 1000rpm in fourth gear. You should easily be able to carry that kind of speed, but If I put it in overdrive, I actually lose speed and have to run with my foot to the floor.
Do the tune up and try it again, if it still won't go, check the catalytic converter (if you've got a stock exhaust) that could be plugged.
06-09-2006, 09:12 PM
Mine Goes 80 when Im towing it with my pickup
How about a header, 2inch there back, tune up, valve adjustment. And try driving it in 4th instead of 5th. If you dont have smog test maybe a weber. But it you want to offroad the stock one is better.
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