I realize these bins are for a 305 and the other for a 350 but every one tells me to use the ARAP for my 305 and just change the injector flow rate. What do you guys think? What are the differences?

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87 Iroc-Z 305 TPI
Dynomax exhaust
modified MAF & airbox
3-10" JL subs
Eclipse components

 

The spark advance table has much more timing in the ARAP bin than the 305, and this is the biggest difference. I think I covered this last week or 2 weeks ago in another thread, so you might want to dig through them to see what else I listed. You might be OK with just changing the injector flow rate, but you'll need to run at least 93 octane and you still might get some knock due to the increased timing...

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Greg Westphal
'87 IROC 305TPI/A4

 

I think that is the article confusing me. or i just cant find the right one. it just says the APYP is for a 305. What are the other main differences? Does it still have all the extra fields to edit? What .ecu file can i use to read it?

Thanks,
jake

[This message has been edited by 87ColdAirIroc-Z (edited May 14, 2001).]

[This message has been edited by 87ColdAirIroc-Z (edited May 14, 2001).]