SuperLude

Ok. I have JUN cams in my engine along with a obd1 ecu with JUN program. Im also running a 50 dry shot.

How do I tune my motor? Do I tune it NA and adjust my VAFC for optimum A/F ratio? Once I spray, would that totally throw my A/F off.. or even worst.. run too lean?

I'm also installing a fuel rail and fpr. Should I just that too?

And last question.. I'm only running a 50 shot.. should I still get some colder plugs?

Thanks.

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axion68

I would tune the a/f ratio for N/A on the dyno, and then see what your a/f ratio is while spraying. There isn't going to be much you can do that I know of, but as long as your car isn't lean while spraying then that is about all you can ask for. A wet kit would be a far better option if you are looking at getting the most power to the wheels. With a 50 shot you can probably get away with stock heat range plugs, just make sure you check them for detonation.

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NXLude

Be very careful with a chipped ecu, the timing has been advanced to make power with raised risk of n20 detonation

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H22 DC2 in the works

93h22a

a msd digital 6 would compliment that setup by allowing you to retard timing under n20...

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93 SI with h22a4

FS: h22a4 head

laughin2.2

Figure out how much that JUN ecu advances the timing before you try anything. You'll need a dig 6 or something similar to knock the timing back.

NirVTEC

Good luck with the DIG6! I have one for sale!......I just couldn't get it to work with my setup!

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1993 Prelude VTEC(a.k.a. GATOR)13.37@108mph
-JDM H22A(267whp/240tq)*100% TUNED*

1994 Prelude Si(a.k.a. SMURF)
-JDM H22A(187whp/152tq-@LL MoToR)*UNTUNED*