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I am running water/meth injection on my supercharged VW. It seems to me that while the W/M injection would keep things clean (and cool and detonation free), it may increase the need for a good UCL to add to my fuel. What would you use? I have been looking at MMO, Lucas UCL or perhaps 2-cycle...

This sticker is on a pump as a local getgo gas station. What does it mean?

My dad is about to purchase a 3rd car from a friend of mine. The car is 1996 Honda Civic with a 1.6 liter motor. The car is in great shape and has 97,000 miles on it. The only 2 issues with the car are it has never had a timing belt so that needs done ASAP and it just started to burn oil with in...

Here is my 1997 VW Jetta. This car has seen nothing but Collinites wax (insulator or double coat wax) since new. I recently clay barred and waxed using the double coat wax. Thought I would share:

A little back ground first. 1997 VW Jetta with a 2.0 4-cylinder engine. Motor is not stock it has: Stock 10:1 compression Supercharged running 9 lbs of boost Water/Meth injection Mild P&P work on the head Aftermarket exhaust system Dual (stiffer than factory) valve springs Light weight lifters...

I started using toluene as an octane boost in 1997 VW. The motor has been modified quite a bit including a supercharger. The car runs much better when I use 2.5 gallons of toluene and 12 gallons of 93 octane fuel (tank holds 14.5 gallons). Anyway my real question is will the toluene clean like a...

I have been searching and I cannot find an answer to this question. I was just trying to figure out if HTHS affected oil pressures. If you compare two oils that have identical viscosities but one oil has a higher HTHS than the other will it cause higher oil pressures? This is probably a very...

The car in question is 97 VW Jetta with a 2.0 motor. I have been using the old Amsoil 5w-40 but I am ready to change oil and I have none left. I was thinking about switching to a 5w-30 or 0w-30 for a couple of reasons: 1. I don't think that the older VW motors like mine need an oil that thick...

I know that I did this a little backwards but several years ago I added an oil cooler to my 97 VW Jetta 2.0. Just a couple of weeks ago I added a VDO oil temp gauge (sending unit is in the oil filter mount). I am concerned that my oil temps are running a little low so I wanted some opinions...

Well I decided to try some GC in my wife's 02' Liberty (3.7 V6) and my 97 VW Jetta (2.0). I got a rebate from another post here so I decided that since it was only going to cost $4.68 per quart I give it a try. So I went to the three Autozones that are all with in a half hour of my house and...

I guess I forgot to mention what engine. Both cars have 2.0 in them. The unmoded motor sees a lot of short trips but I get it on the highway at least twice a month. The other car sees mostly longer drives.

I have a 97 vw jetta the recommended tranny fluid is a 75w-90 GL-4 oil. About 3 1/2 years ago I changed the fluid to M1 75w-90 which is a GL-5. I have searched and I am finding lots of conflicting info as to whether this is bad or not. I have only put on about 10,000 miles with the M1 but does...

Does anyone know where I can find out what all of these, plus all of the others actually say/mean? What about all of the ACEA and API ratings as well. I would really like to learn exactly what all of the different certs. mean. Thanks.

Wow, this site is awesome!! I have learned quite a bit over the past few weeks from all of the info here. Now here is my situation. I have a 97 VW Jetta with mods. The most important ones for this question are cam, chip exhaust, lower temp thermostat (stock is 87 mine is 80), lower temp...