It better be faster than a stock w123 300d. I wouldn't even compare my car to it (0-60 in less than 9 seconds). My main point is that my car with maxed out IP shouldn't be more than 150 hp. Based on onlineconversions I'm at about 190 hp. So about 40 hp extra from lpg. I guess with an intercooler and water injection (without alcohol to complicate things up) I might hit the magical 200 hp. Also adding a VNT would spice things up down the rev range.

But for a price of intercooler+wi+vnt I can get installed a m103 or cis-e m104 and and have a cheaper to run car.

I don't know which path to get.

Here in Albania the 2.5 turbo is not prefered as people want as smaller and economical engine as they can.

What do you recon is the 0-60 time of a 190 with a m103?

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1992 Mercedes 190D 2.5 turbo 5sp manual. EGT+boost gauges. Boost controller set to ~14.5 psi. 1 1/4 turns on full load adjustment. LPG injection. Next in the list is water injection.