The F4B is a medium-high rise manifold and has decent size ports. At least
some of the original cast-iron four-barrel manifolds (as well as one of the
Tiger-labeled aluminum manifolds) were low-rise and they don't offer nearly
the breathing capability of the F4B or more mordern aftermarket manifolds, so
you will likely see a difference other than just with the weight savings.
Theo
> -----Original Message-----
> From: tigers-bounces@autox.team.net [mailto:tigers-
> bounces@autox.team.net] On Behalf Of Joe Brown
> Sent: January 5, 2013 11:02 AM
> To: Rollright@aol.com; tigers@autox.team.net
> Subject: Re: [Tigers] vacuum hook-up to F4B manifold
>
> I plan on rebuilding my engine soon. The original owner had put a Ford
> 4 barrel intake on it back in 1966 and I was wondering if it would make
> much difference if I swapped it out for one of these Edelbrock aluminum
> manifolds. I know it would save a lot of weight but other than that
> would I see any real performance difference?
>
> Thanks.
> Joe Brown
>
>
> -----Original Message-----
> From: tigers-bounces@autox.team.net [mailto:tigers-
> bounces@autox.team.net]
> On Behalf Of Rollright@aol.com
> Sent: Saturday, January 05, 2013 8:47 AM
> To: tigers@autox.team.net
> Subject: [Tigers] vacuum hook-up to F4B manifold
>
> Hello,
>
> Some data
>
> When my engine blew, (cam gear striped 4 teeth, and the orig. 260 is
> certainly an interference design), I rebuilt with an Edelbrock F4B
> manifold and no servo installed.
>
> Just had the servo rebuilt, and it now is hooked up to the F4B. Tim
> Webster in B.C. wanted to know how it was done, and I thought there
> might be others.
>
> There is a brass plug at the rear end of the manifold, 3/8" NPT (pipe).
> Remove this and screw in a;
> 90 Degree brass fitting, 3/8 NPT X 3/8 hose. Use thread sealer on the
> brass fitting going into the F4B.
> Connect the yellow/black hose that goes back to the servo.
>
> Pictures available, (just ask). Note that the fitting is in a snug
> place!
> But it works.
>
> Best to all,
>
> Jim Armstrong
> Mk 1A
> 382002083
> LRXFE
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> 01/04/13 _______________________________________________
>
> tigers@autox.team.net
>
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