Offshoreonly.com - Search Results

Search: Posts Made By: articfriends

Showing results 1 to 4 of 4
Search took 0.00 seconds.

Forum: General Q & A

09-28-2015, 10:08 PM

Replies: 45

Valve spring pressures

Views: 20,651

Posted By articfriends

Theres a reason why one guys 598 makes 830 hp Na...

Theres a reason why one guys 598 makes 830 hp Na and another makes 750 though, one might need topo ends done at 120 hours, the other at 240 or 300 hours, depends on your rebuild life cycle goals

Forum: General Q & A

09-28-2015, 10:05 PM

Replies: 45

Valve spring pressures

Views: 20,651

Posted By articfriends

I rebuild my blower motor every 100-120 hours, at...

I rebuild my blower motor every 100-120 hours, at 190/490, seats, valves, retainers always looked like new and it turned 6300 quite a few times, I do replace the springs at every rebuild, usually...

Forum: General Q & A

09-28-2015, 10:02 PM

Replies: 45

Valve spring pressures

Views: 20,651

Posted By articfriends

Abones, theres a little more to it than that...

Abones, theres a little more to it than that though, 2.300 intake, minus .343 for dia of stem lets say 2.0 " for discussion , 2x 3.14 =6.25" area x 14 psi boost = 85 roughly, so to help control...

Forum: General Q & A

09-28-2015, 12:56 PM

Replies: 45

Valve spring pressures

Views: 20,651

Posted By articfriends

I run 190 seat/490 open but at 14 psi of boostwe...

I run 190 seat/490 open but at 14 psi of boostwe are adding extra to acct for area of valve x boost trying to force intake open

Showing results 1 to 4 of 4