temp gauge

[350 screamer]

im doing a bottom top end rebuild 4mm crank turns it into like a 403cc plus like .20 to .40 bore if anyone knows wat cc it would b????? let me kno im not sure how to do the math i got n idea tho but anyways... since im doing that im looking into puting a temp gauge on it so it wont over heat... and so i kno wat temp its runnin at, thanks for the help

 

[bbcmudtruck]

http://www.havocperformance.com/ENGINECALCULATOR.htm A .20 over 4mil would be 373ccs. As far as a temp gauge goes: http://www.farmandsandtoys.com/partdetail.asp?partid=146