I am rebuilding a Eclipse 420a. I bought it with a blown head gasket as a project car. My buddy and I took the engine out & apart this is what we found. China T3/T4 turbo, Turbonetics intercooler with a cool air intake, custom welded headers and exhaust, It was bored over 0.40, had JE forged pistons, Eagle rods, Eagle crank, Arp head bolts, Apexi SAFC II, Short shifter, Fidanza aluminum flywheel, aftermark rotors & a suspension cant identify. So far I bought Crower stage 2 turbogrind cams, took the head with parts to the local machine shop. Parts checked okay. Had him order BC Titanium valve springs with recaps, SBI lifters, SBI rockers, SBI guides, Pep valves, cometic head gasket, SBI locks, main bearings. Things I am going to get Fidanza Camgears, MSD wires & coilpack, NGK spark plugs, 490cc Accel injecters, walbro fuel p, Airtex water pump, Mellin high volume oilpump, OBX intake mani, Act Race 6 pad clutch, Carbon fiber hood, take off catalac converter, 94 gas with octane booster, Brad Penn oil with zinc.

 

question #1 The machine shop checked all the parts but the turbo should I get that checked out somewhere the reason for this is because he doesnt do turbos. question #2 is 490cc injecters good, too lean or to rich for 20 psi of boost. Question #3 could I use a small shot of nitrous or will I need to O-ring my head. Question #4 I am getting it engine dynoed but what hp will I expect to see with 20psi of boost and all of those mods if stock is 162hp. Question #5 stock rpm redline is 6800 what should I expect to see if it is finished. Question #6 stock 1/4 times are 16.2 with toyo tires and good shifting what could I get. Seriously thank you for helping me awnser these questions.

 

Trying to make friends who like performance cars like me and anyone from Indiana please mention that.

 

From Louisville Ky here and as far as your stock hp go's on an unmodified 420a its about 140 hp, i couldn't tell you a whole lot about the performance aspects (still saving for a car that's worth doing something to.) but you sound like your off to a good starts as far as a Chrysler 420a motor gos personally id try to sell it and buy the 4g63 eclipse.