Hi, im new to this forum and thought this would be the best place to get some info as i cant find anyone who will touch my engine. some help would be much appreciated as im new to old diesel engines. Ive got a 88' mk1 caddy with a 1.9 mtdi (ahu) its running a 300 tdi landrover pump, holset he22 turbo, .260 nozzles, aaz cam and k&n cone filter. Sep 2, 2009. #17. There are indeed several issues with wheel dynos when measuring tuned TDI engines, even when measuring stock TDI engines. The high down low torque, combined with an agressive torque buildup and as a third the missreading of the rev numbers which are taken from OBD port leads to false summarys. The JB4 features many benefits including easy installation, up to 8 tuning maps preloaded, not VIN locked, and many more. This tune increases the boost pressure 4psi over the stock turbo pressure, increasing power. Price: $479. Audi B9 A4 Tune Power Gains: 45-65hp & 65-70lb-ft tq. 2. This is mainly related for ANY and AYZ engine codes information. The 1.2 TDI has stock 360er injectors, but some later models might have little bit bigger ones. From factory engine came with 61 hp and 140 NM. Bone stock lupo 3L or audi A2 3L can deliver max roughly 90 hp and 250 Nm. With straigth piping you can get the power roughly to 95 hp. How much Power can an 1.9 ALH transmission handle without taking damage over long term driving or hard acceleration? Tags automatic transmission bolt ons tdi tuning. durham. Feb 28, 2012. #13. see what you are saying! 5k is alot to spend on a car that at best is worth 4k maybe its not right for me as i could put the money to a 250 bhp car that is standard then remaping that up 50 bhp more! love the idea of a street sleeper tho gives one a twinge! adamss24 said: We’d go for the 160bhp 35 TDI diesel, which is our pick of the entire Audi A4 range. It has plenty of low-down punch so you can tootle around town effortlessly, with enough pace to whisk you up Re: 1.9 TDi Sportline GTB22 Boost vs RPM. by waynemodz » Wed Jan 21, 2015 8:51 pm. hi, a full log is confidential but i can assure you its done to spec, 78% at 4000 rpm on 4th gear. 80% is the norm but i went 78 because on 5th gear and 6th the it goes to 2 bar, where as running it at 78 and setting the map at 80, solves this issue. ANs5.

how much boost can a 1.9 tdi handle