which is quicker 4.11/4.44?

[Chiketkd]

Originally posted by sicksubie
What is tps?

The thottle position sensor. The factory setting should be 0.50 volts.

-Chike

[sicksubie]

Does adjusting it accomplish anything? If so how do you adjust it?

[svxfiles]

Originally posted by sicksubie
Does adjusting it accomplish anything? If so how do you adjust it?

It is used as a referance by the ECU and the TCU. Without it's proper referance, your transmission can slip or hunt for gears, and your engine will not perform correctly.

To adjust the TPS, first locate it on the drivers side of the throttle body. It is black, 1.50" round, and attached with two screws. Find the white wire, splice a test lead into it. With the engine running, and all electrical stuff off, test the voltage, between the white wire and ground. Adjust it to .50 Volts.

[SVXRide]

Originally posted by svxfiles

It is used as a referance by the ECU and the TCU. Without it's proper referance, your transmission can slip or hunt for gears, and your engine will not perform correctly.

To adjust the TPS, first locate it on the drivers side of the throttle body. It is black, 1.50" round, and attached with two screws. Find the white wire, splice a test lead into it. With the engine running, and all electrical stuff off, test the voltage, between the white wire and ground. Adjust it to .50 Volts.

adjustment coming from loosening the two screws and physically turning the black housing until your voltmeter reads out .5 VDC, then you tighten the two screws.
-Bill (it's true! I watched Tom do it! )

[Chiketkd]

Originally posted by SVXRide
-Bill (it's true! I watched Tom do it! )

Me too!

-Chike

[Motorsport-SVX]

Originally Posted by svxfiles

Driving like a raped ape on the highway (90-110mph), Svxfiles gets about 19.5mpg in his 4.44 geared SVX.

Sir, I most heartily dissagree. It was 85-105, and we actually got 21.9 mpg.

Closed course, professional driver, do not try this at home boys and girls.

Tom, its Dayle in Tucson
if you get a chance, can you email me ?

dayle@motorsportwarehouse.com

thanks
me

[NeedForSpeed]

I think Chike was closest to the truth. Both 4.11 and 4.44 gears have the same third and forth gear. So, the 4.44 with its lower first and second gears may get a better start, but the 4.44 is handicapped by a bigger spread between second and the 1:1 third gear.

The 4.11 has the same gear ratios as the stock box, just with a 4.11 to multiply each gear instead of the stock 3.45. In the end, equal power, both probably run very close to the same time in a quarter.

The place to check the difference in the effect of the better multiples offered by the 4.44 is at the 1/8 mile mark.

Originally Posted by SVXRide

Everything else being equal, the 4:44 will accelerate faster - which should result in a faster 1/4 mile time (guess we'll see this weekend - right Tom/Chike?).
-Bill

[NeedForSpeed]

In a conversation with SVXfiles, I mentioned that I believed he would have a better run with stock diameter tires and 4.44 gears. I thought the smaller diameter tires [even lower effective gear] were running the engine past its power peak at the end of the quarter mile, and in effect, just hanging on for the end of the run.

Originally Posted by svxfiles

I was very recently suprised that my two inch shorter tires (205/40/16s) gave a slightly slower speed in my G-tech 1/4 mile runs, compared to my 225/45/17s. The only explanation that I can figure is that the 17s weighed 3.5 lbs per wheel LESS than the stoch 20 lb wheels. The tires weighed the same. Tom

[Chiketkd]

Originally Posted by NeedForSpeed

I think Chike was closest to the truth. Both 4.11 and 4.44 gears have the same third and forth gear. So, the 4.44 with its lower first and second gears may get a better start, but the 4.44 is handicapped by a bigger spread between second and the 1:1 third gear.

The 4.11 has the same gear ratios as the stock box, just with a 4.11 to multiply each gear instead of the stock 3.45. In the end, equal power, both probably run very close to the same time in a quarter.

The place to check the difference in the effect of the better multiples offered by the 4.44 is at the 1/8 mile mark.

Ron,

after having both 4.11's and 4.44's on my car, I'd say this:

4.44's are going to shoot you off the line (like a bat-out-o'-hell) and the car will scream through the first two gears in next to no time. Once the shift into third occurs, my 4.44 svx doesn't feel like it's pulling any harder than my 4.11's did in that same gear (probably due to the larger spread between the 2nd and 3rd gear ratios).

I'd probably estimate that 4.44's are between .1-.2 seconds faster than 4.11's in the 1/4 mile (due to the shorter 1st wo gears).

I'd also say that 4.11's are probably .1-.2 faster than the stock 3.55 gears.

Therefore, someone like Bwana who ran 15.37 @ 89 in his lightly modded stock geared SVX, would probably run a 15.0 like I did if he switched to 4.44's (and maybe a 15.2 if he switched to 4.11's).

Just my $0.02...

-Chike

P.S. The gain from switching to 4.11's and 4.44's could be greater but I haven't had the opportunity to race my SVX in similar 40* temps like Bwana did. A 4.11 geared lightly-modded SVX could possibly run a 15.0 in the 1/4 in perfect conditions, and a 4.44 geared SVX could be in the 14.8 range in cooler temps.

[Matthewmongan]

may i add that my car does a 4 wheel burn out with 4.44's.......yes it was a little rainy but still. thats some good mojo right there.

[NikFu S.]

Originally Posted by Matthewmongan

thats some good mojo right there.

Yeeaahhh baby, yeah.

[Matthewmongan]

123456789 lol

[TomsSVX]

i adjusted my tps reports after I got the memo

Tom

[Matthewmongan]

are you going to eat that stapler? want to split it?

[sicksubie]

What is this about stapler eating?