Fox T-Bird/Cougar Forums

Technical => Engine Tech => Topic started by: quicksilver on August 26, 2006, 06:36:18 PM

Title: head help!
Post by: quicksilver on August 26, 2006, 06:36:18 PM
i didnt find a form talking about how big of valves i can have, so i was just wondering how big of valves i can have with 1.6 roller rockers?
Title: head help!
Post by: sum_weirdo on August 26, 2006, 06:59:07 PM
Well since the 1.6 rockers are the same ratio as your stock ones, the stock E7 valves won't have a problem.  Were the valves enlarged when the heads were ported?
Title: head help!
Post by: quicksilver on August 27, 2006, 04:00:34 PM
i dont think so.
but i want to get them enlarged, but i need to know how big i can get them.
Title: head help!
Post by: Tbird232ci on August 27, 2006, 05:53:16 PM
Do you understand what youre asking?

Rocker arms have NOTHING to do when dictating valve size.

Do you mean to ask about the cam?
Title: head help!
Post by: quicksilver on August 27, 2006, 09:04:33 PM
no, im asking how big of valve i can get before they hit the pistons.
Title: head help!
Post by: Ifixyawata on August 27, 2006, 11:05:07 PM
You're talking about piston-to-valve clerance, then.  The cam profile affects this more than the size of the valves do.
Title: head help!
Post by: quicksilver on August 28, 2006, 12:33:11 AM
so, i can have 2.02,1.60 valves with a HO cam. i dont have the money to experiment with these kinds of things. so i was just wondering if someone knows.
Title: head help!
Post by: Bane on August 28, 2006, 08:05:55 AM
you have to flycut your pistons for 2.02 valves unless your running the twisted wedge heads. 1.6 sounds fine (not quite sure) but you will have to cut your pistons with the 2.02's.
Title: head help!
Post by: quicksilver on August 28, 2006, 02:20:04 PM
why is twisted wedge heads different with 2.02 then other 2.02 valve heads?
Title: head help!
Post by: Kitz Kat on August 28, 2006, 04:33:09 PM
Tw heads have different angle,don't go as deep.
Title: head help!
Post by: Kitz Kat on August 28, 2006, 04:38:34 PM
E7's can be made to work,With I think your sayin.202
Title: head help!
Post by: quicksilver on August 28, 2006, 04:41:35 PM
ooo ok. thank you,
but does anybody know how big have valves i can get with a HO cam?
Title: head help!
Post by: quicksilver on August 28, 2006, 04:42:45 PM
oo haha, sorry about that ,ast message, i didnt see yours kitzdnm
Title: head help!
Post by: quicksilver on August 28, 2006, 04:43:01 PM
oo haha, sorry about that ,ast message, i didnt see yours kitzdnm
Title: head help!
Post by: quicksilver on August 28, 2006, 04:45:13 PM
well, thank you kitzdmn for your help. and thanks to all the people who helped me out with this thread.