Some would say boosting on a stock Honda motor with open deck, cast pistons, and pencil dick rods is pretty stupid too, but we're all guilty of that. :P
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So are answers to questions that have no point or actual answer.

If you understand how the ECU works and how to tune a motor, the only thing you have to worry about is blowing out the MAP diaphragm and even then I dont think your engine will blow-up if that happens.

 

not to hi jack, but how would you know if u blow out the map diaphram?

 

i would imagine you'd get a map cel and you're car would run like ***. back to the stock map question, the stock honda map is actually 1.75 bar and is limited for tuning up to about 10.8-11 psi, but i too have run up to 15 psi with no problems.

 

Stock OBD0 MAP is only good to 9.6psi....supposedly

 

i have a 89HF could i run uberdata or turbo edit on my current ecu or would that we pointless? does UD or TE even support HF ecus?

 

What ECU is in the HF? Its a PM8 or something right?

Well, its supported for any OBD0 ECU (cept PR3/PW0) but chipping that HF ECU is another story.

Best bet is to find a PM6 ECU with an external eprom and chip that and run TurboEdit.