where can i get all the specs on the srt-4 motor head, rod, main, cam, ect....
I'm looking to build some more power in my naturally aspirated 2.4 L DOHC motor. So I just had the cylinder head removed and am sending it to a racing shop for CNC porting and decking the cylinder head .020" to bump the compression (I'm thinking I will end up around 10.5 or 10.6 up from 9.4). I'm also installing some Crane # 10 Cams which should help go along with the increased airflow and lift.
What I'm hoping for is about a 30 HP increase between the cams porting and decking of the head. Is this realistic...? Or am I not likely to get that much increase in power? I am also considering adding a 50 HP nitrous system later this year - do you have any experience with NOS on these motors? Do they handle it if properly used? I'd like any thoughts or opinions. This is my daily driver and has been for 5 years (bought it new in '03) so it needs to remain reliable - but since this is solid engine work and not "bolt-ons" then it should be okay right?
Welcome to Turbo Dodge.
I cannot help much with the performance aspect but I am sure if you open a new thread in the SRT-4/PT Cruiser section you will get the answers you are looking for.
Everything I posted in this thread, torque specs, cylinder head installation, timing belt are the same for a NA and Turbo 2.4L.
Here is the camshaft install procedures.
Thanks NAJ, that is good info to know. I knew the SRT 2.4L and the PT one were similar but I figured some things were different enough that it might matter.
Thanks so much for your great info and diagrams!
Tom
Factory Service Manual: 2004 Chrysler/Dodge Neon/SX 2.0/SRT-4 Factory Service Manual