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Posted 12 September 2004 - 06:08 AM
Posted 12 September 2004 - 09:36 AM
If youj want better cams, look up delta cams in Tacoma.
Also, the wording of your post suggests that one must replace cams while replacing a cracked head. That is not the case. The cams are in their own self contained cam case seperate from the head.
Posted 12 September 2004 - 08:30 PM
A normally aspirated engine works on a Scavanging effect. What happens, is that as the piston is being pushed up to let the exhaust gas out, the moment before the piston reaches the top, the intake valve opens. This is what's called overlap. What happens is that the air rushing out of the exhaust valve acts like a vaccum and pulls the fresh air in from the intake valve, thus allowing more fresh air in for combustion and more power.
In a turbo car you are forcing the air into the cylinder chamber. So, as the piston is moving up and pushing the exhaust out of the open exhast valve you don't want to open the intake valve. If opened the intake before the exhaust valve was closed all the turbo boost pressure would blow through and you would lose pressure. That's why turbo cars feel so dead before the turbo comes on. Their cams are ground with little to no overlap, so until the boost comes up they don't get the scavanging effect and therfore less clean air to burn, less power.
So putting a turbo cam into a non-turbo car would give you noticabaly less power.
Like calebz said, delta cams are the way to go.
Posted 12 September 2004 - 08:35 PM
Posted 13 September 2004 - 03:56 AM
you guys are forgetting something. the ea82t and Ea82 Carb use the same cam, well atleast they do for 85-86
87+ are different
Posted 14 September 2004 - 03:10 AM
Where is a good source for cyl heads online?
Post a WTB in the market place..
Or try CCR in denver.
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