The J-series engines have siamesed intake ports so there is only one runner
from the DCOE throat to the head, then it splits inside the head, so there
should be equal net lengths from the carb to each cylinder. From what you
describe that should be OK.
At 10:56 PM 8/9/2003 -0700, Greg Burrows wrote:
>Just to follow up, I took a look at my Weber Carburetor book, which has a
>section
>on manifold design and the use of different carbs. As you indicated Ron,
>according to the book, a single sidedraft can cause some problems depending on
>the manifold. However, if the manifold is designed to separate the throats of
>the carb FROM THE VERY BEGINNING such that one throat is feeding two
>cylinders,
>then it should work ok. The manual indicated that a plenum type manifold
>(which
>does not separate the two throats from the very beginning of the manifold)
>would
>cause problems because it would "permit excess mixing of pressure waves, cause
>reversion and ruin tuning." So, Adam, take a look at your manifold and
>see what
>you've got before you throw it out!
>Greg Burrows
/// datsun-roadsters@autox.team.net mailing list
/// Archives at http://www.team.net/archive
|