ZR-1 Net Registry Forums - (reground) cam went flat?

Page 5 of 5

Show 40 post(s) from this thread on one page

ZR-1 Net Registry Forums (http://zr1.net/forum/index.php)

- C4 ZR-1 Technical Postings (http://zr1.net/forum/forumdisplay.php?f=9)

- - (reground) cam went flat? (http://zr1.net/forum/showthread.php?t=7703)

tpepmeie

01-31-2009 01:09 PM

Re: (reground) cam went flat?

Quote:

Originally Posted by jonszr1 (Post 53441)

stk spring pressures are76-84 closed and 194-206 open .just another reason our engines rev fast . alot easier controlling 4 small valves than 2 big sobs

Brad, have you measured this? How do those numbers square with what is on the zr1net site (from HOTB):

VALVE SPRINGS
YEARS 1990-92 1993-1995
Type Inner & outer opposed winding Same
Load-Closed 160-313 N (36-70 lbs.) Same
Load-Open 350-696 N (78-157 lbs.) Same
Supplier Tempered Spring Same

jonszr1

01-31-2009 03:43 PM

Re: (reground) cam went flat?

a buddy of mine used those figures to set up the springs in my blk car. he said he got those figures from the fsm .i just cked and it is what the fsm says they should be .unless i am reading things wrong .which the way my day is going is entirely possible :mrgreen:

tpepmeie

01-31-2009 04:28 PM

Re: (reground) cam went flat?

Quote:

Originally Posted by jonszr1 (Post 53654)

i just cked and it is what the fsm says they should be .unless i am reading things wrong .which the way my day is going is entirely possible :mrgreen:

I've got my FSM in hand, but not seeing those numbers...

has anybody actually tested the stock springs?

Todd

All times are GMT -4. The time now is 02:29 PM.

Page 5 of 5

Show 40 post(s) from this thread on one page