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Re: Get Bent?

To: Frank Marrone <itswonderful@attbi.com>
Subject: Re: Get Bent?
From: Steve Laifman <SLaifman@socal.rr.com>
Date: Tue, 27 May 2003 08:35:34 -0700
Frank,

There's "Original", "Original Version 2", and practical.

The original would be the short run Benevides model. Don't know 
configuration.

The original, version 2, would be the Edelbrock F4B.  It is pictured in 
the dealer catalog:
(http://www.tigersunited.com/parts_service/pp-lat1.asp) with all the 
original fittings. It appears to have a straight fitting AND a right 
angle hose fitting. I would presume the right angle fitting is, per 
normal installation, for the water tap behind the thermostat housing to 
the heater valve.  So, this answers the "heater valve" question, and is 
the same practice as the original 2 barrel.

There is yet another fitting decision, depending on whether you have an 
original "TIGER" Edelbrock F4B,. with the straight thread temp sender 
hole, or the standard US version with a pipe thread.  The 1848-1 (465 
CFM) and 1850-1 (600 CFM), originally supplied with the LAT kit. had NO 
fitting on the carb base for the PCV on the Tiger.

These carbs were from '50's era cars that didn't need a PCV, so no base 
port.  I spent a lot on extra money to buy a new "universal" 600 cfm 
base plate, with a PCV tube, and replaced the 465 CFM plate. No 
interference, same gasket, but lost the float bowl lid flipper linkage 
from the throttle plates, whatever that did.

A more "practical" version would be to use a similar right angle for the 
PCV valve vacuum source.  There appears to be three versions of the F4B 
production.  Two have undrilled bosses for a tap to an intake runner. 
One with a front runner to the left side, the other with a rear runner 
to the left side. The one with the rear undrilled boss is more 
convenient for a drill-tap for the vacuum, but the original was in the 
front runner, and the hose went along the right side of the carb to the 
PCV.  Bit ungainly.  Interestingly the picture does NOT show a drilled 
port, but this is a stock Edelbrock photo. The accessories ARE Tiger, 
including the throttle cable support unique to the Tiger.

Let me know what you decide, and send a pic.

Steve

Frank Marrone wrote:

>What is the proper shape of the heater take off fitting on the front of
>the intake manifold when using the F4B?  The stock unit has a 90 degree
>bend but I've seen the straight fitting used on some installations with
>F4Bs'.  Is the straight fitting the way to go?  Will the 90 degree even
>fit (allow hose routing)?  Assuming I want to use the stock coil
>mounting position?  I can't really tell by looking at the LAT catalog
>and I can't find a good car picture on the web showing this (at least in
>the 20 minutes I looked).
>
>Frank
>B9471116
>
>  
>

-- 

Steve Laifman
Editor
http://www.TigersUnited.com

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