engine modifications

I'm interested in upgrading the intake on my carb engine. I recently fitted an aftermarket exhaust and since then my car has been a little hesitant and has had some trouble starting. My Father (who was a mechanic in the late 80s and 90s) suggested removing the top of the air filter box and one...

Hi, I Have a seat Leon Fr 1.4 - 2015 - (150 BHP) and I am trying to get it as fast as I can SAFTEY, I would like to get my car to stage 2 however I don't want to blow the engine, I currently have the following MODS installed K&N Induction Kit, Forge Dump Valve, Decat Down pipe & Res delete...

Hi all, I m owner of 1997 Starlet EP91. Though it is not my single car but I own this almost 15 yrs. Now I want make some upgrade to my lil car. What can be done modestly nothing too crazy? Guys need your opinion.

I'm interested in old cars. Not necessarily vintage cars but the cars from 70's, 80's and some even 90's. However, the problem is with their engines. They devour gas like an ogre. Like having a mileage of just 8km/ltr. I want to know what are some modifications that can be applied to these...