[Land-speed] BBC Firing order

Skip Higginbotham saltrat at pahrump.com
Fri Jun 3 16:14:00 MDT 2011


Yep.....something is sure causing it.
Skip
----- Original Message ----- 
From: "Dave Dahlgren" <dahlgren536 at comcast.net>
To: "Skip Higginbotham" <saltrat at pahrump.com>; "Kirkwood" 
<saltfever at comcast.net>; <land-speed at autox.team.net>
Sent: Friday, June 03, 2011 13:33
Subject: Re: [Land-speed] BBC Firing order


> Or a better designed manifold....
> ----- Original Message ----- 
> From: "Skip Higginbotham" <saltrat at pahrump.com>
> To: "Kirkwood" <saltfever at comcast.net>; <land-speed at autox.team.net>
> Sent: Friday, June 03, 2011 4:31 PM
> Subject: Re: [Land-speed] BBC Firing order
>
>
>>I think of the crank as a long torsion bar as you suggest but with a 
>>difference, the more the crank twists, end to end, the farther the cam 
>>gets out of position and the farther the valve timing is off. So if the 
>>major part of the torsioning force is closer to the cam drive the timing 
>>won't be as far off.
>> The port nozzle in 7 is smaller than in 5 (and the rest) due to plennum 
>> air taken away from 7 by 5 and this probably has more to do with it than 
>> anything else. This can be helped by a little longer intake valve opening 
>> on 7.
>> Skip


More information about the Land-speed mailing list