Ryan,
The tappets could be noisier as the ramps are steeper on your hot cam.
Another possibility is that there is an oil restriction stopping sufficient
oil flow to lubricate the lobes.
Both only a guess, others may have more experience with this problem.
----- Original Message -----
From: "ryan chalmers" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, 10 November 2000 15:32 PM
Subject: engine questions
> Listers,
> I have my new l20b in now and is going great it has a rebuilt bottom end
> bored 60 thou, new pistons bearings etc, the head is a U67 head with major
> porting and 2 mm bigger inlet valves and a c 72 degree cam all rebuilt by
> myself. My problem is that the tappets are really noisy especially one
> which I can't pick which one. I have checked the clearences and how the
> lobes make contact on the rockerpads and is all OK. Because the cam is
> hotter than standard would this make more noise?? does any one else with a
> hot cam experience this? After any help as it is anoying. Another
question
> would I be able to modify a L28 injection setup to suit the l20? shorten
> the inlet mani etc?
>
> Ryan
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