trx 2.5 with new head

[racin_38]

good evening ,yes another tuning question
i am not a newbie but ,,,,,
i recently rebuilt my trx ,and i am going to break it in this weekend ,but i installed a MSJ fridge head on it ,and this frickin thing is huge ,i read msbehavinrc's review on this head and he stated it would drop temps by 50deg he was running his and temping it at 250-260 installed the head and it ran 200-210
but anyway should i lean the hsn alittle to bring it to a hotter temp like say 220 230 or so or break in like i was running the stock head
just curious ,i want it to heatcycle right and break in properly but i do not want to lean it out to the point of hurting it
thanx for any help

 

[Tarant]

I would put the Stock head on just to break it in, the thing is the aftermarket head could dissapate to much heat and the engine may be running very very lean and damage things I would break it in with the stock head.

 

[NektariosP]

break it in with the stock head.

 

[racin_38]

thanx guys just finished breaking it in ,,
ran around 205 to 210 with the body on on the 5th tank ,
so i am going to install the new head and run a few more easy tanks
then let'er rip lol