Which modern valve kit and valve guides?

M2M

M2M

Well-known member
Z
Snyder:
https://snydersantiqueauto.com/ProductDetail/A-6505-M_VALVE-SET-MODERN?

Or Bratton:
https://www.brattons.com/modern-valve-kit.html

Which is the better kit? Valves guides are different, is one better than the other?
 
Somebody on here a couple months ago was recommending the Snyder's-type guides with the shoulders, because I think he was saying if you don't use the shoulder type then the spring is a different length than stock, and you have to account for that. Can't find the thread.
 
The difference in spring length as mentioned is one issue. The other is... The tube type (Brattons) have to be pressed in with time, patience, a press or a hammer and brass driver to protect the guide from flarring. Snyders are press in with yur fingers or thumb - just likek original guides.


I have used both. ken
 
alexiskai said:
Somebody on here a couple months ago was recommending the Snyder's-type guides with the shoulders, because I think he was saying if you don't use the shoulder type then the spring is a different length than stock, and you have to account for that. Can't find the thread.
Click to expand...

kenparker said:
The difference in spring length as mentioned is one issue. The other is... The tube type (Brattons) have to be pressed in with time, patience, a press or a hammer and brass driver to protect the guide from flarring. Snyders are press in with yur fingers or thumb - just likek original guides.


I have used both. ken
Click to expand...


Thanks guys. I forgot to say that I was thinking of using CW Moss valve springs which are longer in length to standard and have a slightly thicker coil wire. Using these springs which guides are better? I guess I should also ask if these springs suitable for these modern valve kits?
 
Last edited:
I'm probably the guy that recommended guides with the shoulder, at the time only Mac's had such guides, but that is no longer true. I stick with that recommendation, the spring remains the correct length, holds the guides in place, and they are easier to install. What's not to like?
 
I have used the valve kits we sell, with the straight guides in The 320 engines we have built, and they work very well. They do do in hard, but they work well. Have several engines with more then 20k miles on them and all are still going strong. Never used the ones with the guides with the shoulders on them, so cannot comment on them.

Steve @ Bert’s
 
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