>Curtis,
>
>Don't be confused. There WAS a LAT option low rise early on, but it was
>from Shelby. When Vic Edelbrock saw it on the track he offered to make
>a swap, and put his HI RISE F4B and 465 Holley on in the pits. The car
>went so much better that the LAT design offering was changed to his
>manifold. It is a high rise. There IS a Performer Edelbrock that is a
>low rise. This is NOT what you want. You need the hi-rise, which is
>currently called Performer RPM 289. Same dimensions, better materials
>and casting, but not the F4B, if you want a LAT version. Most all
>available are NOT the LAT version, and need modifications for the water
>temp sensor threads. The 465 is an older model Holley from the mid
>50's, and does not have provision for the EGR valve vacuum port.
>
>There is no way even the thin (and expensive) 1/4 inch 302 HiPo spacer,
>although it has a port, and is only 1/4 inch thick, will allow the stock
>air cleaner to have any hood clearance. I replaced the 465 throttle
>plate with one from a 600. Although the throttle plates are larger, the
>part of the plate that sticks into the upper body (being round) does NOT
>hit the smaller diameter choke. Edelbrock added a pipe thread intake
>runner port on the front left runner to house the EGR vacuum
>connection. This runner already has an undrilled boss on the runner,
>and can be used with a pipe thread and right angle fitting to do this
>job the way the LAT manifolds were done.
>
>If you have an F4B, it MUST be a high rise. If it does is not, it isn't
>a F4B.
>
>Steve
>
>65Tiger@comcast.net wrote:
>
>
>
>>I'm confused. After studying TBON, I can't figure out if the F4B is
>>
>>
>a low rise or high rise you mention below. I have the 1848 on the
>F4B.
>
>
>>-curtis
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