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You need to know EGT's in order to properly tune. You will want to how lean your fuel is as to not melt things as was stated before (high temps), or how rich it is (low temps). So it is important to know if you plan on modding. How do you fix it? Turn down the boost, or use the safc to adjust feul trims.
Originally posted by 98TsiAWD Get boost and EGT for sure. Dotn bother with an A/F
If you want a 3rd guage either get a fuel pressure or oil pressure guage.
On my beater I have only oil pressure because I'm a cheap ass.
Yes the car should go 13's, and yes I play with fuel and all that other stuff.
I adjust boost by fuel cut and datalogging, and EGT's are only a side effect of knock. Oil pressure because I have a leak I'm too lazy to fix, but sometime it turns into a faucet.
My "race" car has a few gauges in it, but nothing extreme. No need.
In it's modded factory bezel, it has a boost gauge, a tach, the W/B 02 display, oil pressure, and water temp. Fuel level is also throw in there, but it's the factory one rigged to look nice.
Originally posted by eclipx people have asked this same question at least two times within the past week, looks like your the third nerd with the hairy chest
no... I agree with him... it is better to take the time and effort to ridicule someone, rather than take the same time and effort to type somthing helpful...
I am looking at getting a set of Defi BF gauges and found a place that sells them in a set of three. You get boost, egt, and your choice of either fuel pressure or oil pressure. Now knowing how shitty the factory gauges are, should I go with the oil or the fuel? Is fuel pressure really needed if you don't have a lot of mods??? Need some help soon, the money is burning a hole in my pocket
Originally posted by cucumber This has been asked a million times.
I know, but I can never get the search to work right. How in the hell do you search for "fuel pressure" and not get results for just fuel, and results for pressure. I want the damn results for fuel pressure. Anyway thanks.
And BTW Cucumber, refuring to the post I made in the Hangout about DSMtalk, I'd like to be able to use the damn search over there, sorry if I haven't owned a DSM for a long time, haven't been a member forever, and don't know every reason why things are the way they are. I thought these boards where here to get questions answered, not to get shat on by the older members because we asked a question that someone asked 5 months ago. Sorry if you think that I'm wasting space on the server, but just think about how many times you've replied with "try a search" or "that's been covered before". If you'd just answer the question, you'd save the space because someone wouldn't have to reply after your comment.
OK, thanks for the replies, but now for the little kid question WHY? Is fuel pressure more inportant than oil pressure? I've spent a while looking thought the threads that have turned up on the searches, but none really go into the reasons why you need what gauge over another. I know people say to get a aftermarket boost gauge cause the factory one is shite, but if the factory oil gague is the same why am I not getting recommended to replace that? I'm just trying to advance my knowlegde. Thanks again guys for what you have already told me.
One more thing if someone could help me clear up a few things...
1. A/F gaue...I've heard they useless???
2. EGT...I know what is messures, but how does it help you?
3. Fuel pressure, again know what it messures, but how is it useful
You know, better yet can anyone recommend some good books that lay down the whole tuning prosses, or atleast what's what (explenations of fuel maps, timing, ect.). There's a lot that I don't know, but would like to.
![Which/What gauges should I get? [Merged 12-6]](/forums/iconimages/appearance-interior-exterior/what-gauges-should-i-get-merged-12-6-a_ltr.gif)
