I am going to add a MS pro ecu to control the engine and FP. If I install  the new ecu in piggy back style, and leave the factory ecu in place, what signal will the trans need to work properly? I.e. rpm?   

Like a few members here, I'm new to the Starion/Conquest, but not new to cars (former DSM'er, 1st and 2nd gen, and a Suby).  I always had an eye on the Conquest Tsi and after 10+ years of being out of the car scene, I have finally made my way back in.   I picked up a white 1988 Conquest Tsi from a former Starquest Club member in TN - blasted 80's music all the way back home.  It's in decent shape considering that it has been sitting for quite awhile.  Stock engine/turbo, but has some bolt-o

I just bought the only SS exhaust manifold available on eBay for this engine. It’s engineered for a t3/t4 turbo.  Im not looking to hurt the 72k mile stock engine here, so my power goals need to be reasonable. 250-300? I need a turbo recommendation please.  

After spending about 30 minutes writing about the above two pictures, all of the written stuff just disappeared. In the grand scheme of things, it was probably too much blather anyway, so maybe a good thing? My purpose was to demonstrate that I’ve had these cars before, going back 20+ years. Both cars were destined to go to a JY, with the Blue one only needing a new engine, and the white one, was only a shell. Both had big inch ford small blocks, the blue one had a TT’d 363, and the wh