sizemoremk
Registered User
What do bigger valves mean to cam selection and/or porting?
What are the things to know when looking for bigger valves?
thanks!
What are the things to know when looking for bigger valves?
thanks!
The way i see from porting my own heads is that you dont get more than a 30 to 40 rwhp gain on a stock valve port job with a cam. I only lost 1 pound of boost from porting my stock valve head and it looks real good and smooth.sizemoremk said:What do bigger valves mean to cam selection and/or porting?
What are the things to know when looking for bigger valves?
thanks!
What size valve and how much are you getting them for. Can you buy valve seats from him also?littleboylan said:I have been talking with RGR about getting bigger valves. It would be worth your time to ask him about hooking you up. I have yet to order them, but will be doing so as soon as the moneys there. Hes been a big help so far. Mike
CMac89 said:What size valve and how much are you getting them for. Can you buy valve seats from him also?
I wasn't saying that seats would increase flow numbers. You cant just put a valve thats bigger than the seats and expect the valve to seat.XR7 Dave said:Larger seats are not the answer. I've got them in my heads and it didn't do squat for the flow numbers.
I just had my new heads done and picked them up today. I did all the porting. The heads are stock valve seat. 1.84 intake and 1.6 exhaust and yes the seats are ok with that size valves. With the 5 angle and valve seats cut and heads milled and cost of valves was $580.00Slysc said:I've been told that a 2.02" valve would be too close to the cylinder wall when it's open causing it to be shrouded and you would get worse flow. Remember, we are working with a 3.810" bore compared to the 4" bore on the small block ford and small block chevy.
Looks like I am going to buy some intake valves and rip my heads back off, put them in, and then buy a 279/270 duration (at .050), .850/.750 lift (at .050), on a 104lsa. .catwithboost said:I just had my new heads done and picked them up today. I did all the porting. The heads are stock valve seat. 1.84 intake and 1.6 exhaust and yes the seats are ok with that size valves. With the 5 angle and valve seats cut and heads milled and cost of valves was $580.00
catwithboost said:I just had my new heads done and picked them up today. I did all the porting. The heads are stock valve seat. 1.84 intake and 1.6 exhaust and yes the seats are ok with that size valves. With the 5 angle and valve seats cut and heads milled and cost of valves was $580.00
If you ever need some valvetrain parts go straight through "catwithboost." He straight hooks a brotha up.sizemoremk said:What springs are you using, and can you get a part number for the valves
they used? I assume these are SBC valves???
Did they have to shim the springs or anything???
Thanks!
I try to help everyone that I can.CMac89 said:If you ever need some valvetrain parts go straight through "catwithboost." He straight hooks a brotha up.