right im looking for advice yet again ive an english s14 blacktop sr20turbo engine ive ran it all year practise days etc its great but i just need a little more power now all it has is an avcr full exhaust and front mount and standard diff welded i want to do amature PD next year and was wondering what would be the best power upgrade at a budget i dont really wanto rip the engine apart as its probably the hardiest sr in the world has taking 3 years of pure hardship and never gave an ounce of hassle ive seen to many lads spending thousands on engines and get nothing but trouble im thinking 15 turbo, injectors, z32 along these lines and i find in mondello im limiting 2nd gear but try pull 3rd just dies down so advice on a diff would help tosorry for the essay any help would be great ...Cheers