Need advice cam selection
Need advice cam selection So I just got some afr 205 heads, 59cc. I was wondering what kind of cam I should be looking into. I would like to stay under .600 lift. Details of the car, A4 3600 stall fast 90/90 intake. Stock bottom end. Any info would help. I would like to be above 400wrhp. Thanks in advance.
I saw those heads for sale on here. Congrats on buying them. With them being milled down to 59cc, your going to be limited on size unless you plan to flycut the pistons. Anything over 230 is going to require flycuting. I'd say with those heads, a 228r on a 114 LSA would get you there.
At least check to see what kind of clearance you'll have. What size cam would you really like to run?
If you don't fly-cut with those milled 205's you're really limiting your cam choice?
The cam duration/overlap is your main limiting factor.
If you don't fly-cut with those milled 205's you're really limiting your cam choice?
The cam duration/overlap is your main limiting factor.
He's right. A 228R may stil not clear. Personally, I wouldn't buy any AFR heads milled more than 62cc because of the limiting factor concerning cam selection. Maybe Tony Mamo will come in and give you some advice. They are his heads, so he will know what cam would work well with your setup.
I would really like to run the tsp 228r on a 112lsa. Hopefully it will have the clearance. Hopefully Tony chimes in and tell me that this setup will work just fine. Thanks again guys for the input.
If I remember correctly, Tony posted in a thread a while back that a 228R on a 112 LSA would be close with AFR heads with 62cc chambers. You may have to bite the bullet and flycut. If you do that, you could get into the 230 duration.
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why not just flycut????
Here is a killer article on it:
http://forums.corvetteforum.com/c6-t...mpression.html
Here is a killer article on it:
http://forums.corvetteforum.com/c6-t...mpression.html
I would rather run a 224 than a 228/flycut if it were my car.
Not much real difference in power between those 2 cams from what I've seen and much less work and risk to the pistons.
Not much real difference in power between those 2 cams from what I've seen and much less work and risk to the pistons.
I pmed Tony and he said I could squeak in a 228r but to always check for clearance. What kind of head gasket should I run with this setup? Oh by the way, he said to make sure its on a 114lsa
Last edited by sittinlovely; Nov 23, 2011 at 03:42 PM.
I'd suggest looking at a something around the size of a 224/224 or smaller.
If a smaller cam is not a option, then you should reconsider fly-cutting the pistons.
Several have suggested it but perhaps the ol' Thunder 224 would be best here
since the lift is .563 and if he gets the wider lobe separation with little IN.
advance ground in, it should clear with the GM mls gaskets which I thought
are .056". At eleven to one compression and those heads the op should
easily eclipse the 400 goal with a decent tune.
since the lift is .563 and if he gets the wider lobe separation with little IN.
advance ground in, it should clear with the GM mls gaskets which I thought
are .056". At eleven to one compression and those heads the op should
easily eclipse the 400 goal with a decent tune.
