computer question

TheRandom1 · Post by **TheRandom1** » Tue Feb 17, 2009 9:44 am

OK, my engine is starting to wear down, going through some oil etc, so I'm considering a rebuild.

However, I'm considering building my motor to R/T specs (DOHC, 30 more hp etc) my main question on this... is will the stock Neon SXT computer run the R/T motor? I know the compression ratio is different, etc, and I would just run an R/T computer... except that IIRC, R/T's never came with an ATX and I want to keep that.

esteinmaier · Post by **esteinmaier** » Tue Feb 17, 2009 9:54 am

In all reality, you don't have the ability to do a DOHC swap. If you want to gain power, get the magnum head. At least you can still bolt your manifolds to it. Your stock computer will run that just fine. If you get DOHC pistons on a magnum head, that will bump your compression. With that and a reasonable cam, your car would wake up quite a bit.

TheRandom1 · Post by **TheRandom1** » Tue Feb 17, 2009 10:00 am

I am planning on rebuilding the motor anyways, why don't I have the ability to do a DOHC swap?

dbesade · Post by **dbesade** » Tue Feb 17, 2009 10:06 am

TheRandom1 wrote:I am planning on rebuilding the motor anyways, why don't I have the ability to do a DOHC swap?

The head will bolt up but your manifolds won't, not to mention the NGC Computer doesn't know how to run the DOHC Head as it is setup for SOHC.

If you go Megasquirt you can run the DOHC. Search for more information on here, people have done it.

-Dave

TheRandom1 · Post by **TheRandom1** » Tue Feb 17, 2009 10:20 am

I don't wnat to go MS, I need to keep my car street legal for emissions, otherwise I'd just go with Erick's turbo kit...

dbesade · Post by **dbesade** » Tue Feb 17, 2009 1:01 pm

TheRandom1 wrote:I don't wnat to go MS, I need to keep my car street legal for emissions, otherwise I'd just go with Erick's turbo kit...

Then you can't use the DOHC Head on your neon. The SOHC Computer cannot properly run it. You either need the DOHC Computer (1gn Neon R/T) or do Megasquirt. It also wouldn't be emissions legal anyway.

-Dave

TheRandom1 · Post by **TheRandom1** » Tue Feb 17, 2009 1:16 pm

Then my question has been answered, thank you!

hybrid-Srt2001 · Post by **hybrid-Srt2001** » Tue Feb 17, 2009 4:11 pm

the only thing stopping you from doing a dual swap is ngc. a single computer WILL run a dual motor, you just need to swap in the correct sensors and dual cam injectors. 1gn guys have been doing it for years.