How much n20 is safe with 10.5:1 cr

[AEMEclipse140]

i finished building my motor with forged internals and up th cr up a notch and was wondering if i was to spray how much is safe with the higher compression.

 

[dr1665]

If your bottom end is built and ready to go, the only thing holding you back is your head. You'll want it to be built slightly to handle the juice. I'd say you could run a 100 shot or maybe more. The important thing is to start lower and work your way up. I know several people who ran as high as a 75 shot on stock blocks with no problems (that's not to say it didn't wear them down much, much quicker).

Just don't put enough nos on there to blow yourself up right away.

 

[AEMEclipse140]

i got my head fully ported when i did my bottom end and got new valves done for me also. thanx when im done breakin in my motor i might start sprayin to see if all the work paid off.

 

[Ralli///Art GS]

I use 75hp on my fully stock motor, don't see how you would have a problem with a 100 shot, just make sure the fuel and EGT is tuned correctly and you could probably spray all day long.