Motor mount clearance with Holley mechanical pump - Team Camaro Tech
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post #1 of 7 (permalink) Old May 28th, 01, 06:50 AM Thread Starter
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I know this has been discussed before, but I tried the search function and found no satisfactory results.

I have a '67 with a 383 small block that I have a Holley strip 130 gph mechanical fuel pump. This thing is a lot bigger than my stocker on the old 350. The inlet for this pump is facing towards the rear of the car, which means it is also facing straight at the motor mount which is only 2 inches away!

How am I supposed to hook the fuel line up when there is so little clearance?

Thanks for any help.

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post #2 of 7 (permalink) Old May 28th, 01, 08:20 AM
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I would say that you should be able to take the base/valve housing apart and reposition it (called clocking). I clocked mine to move tha inlet port to the inside that (towards the motor), just don't go to far as the oulet will then point towards the frame.
Also try to stay away from 90 degree fittings for the inlet and outlet ports as they can reduce your flow rate.

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post #3 of 7 (permalink) Old May 28th, 01, 12:24 PM
David Pozzi
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Carter makes pumps with inlet and outlet on directly opposite sides.
When you have the enigne out, it's a good idea to bump the crossmember back with a large hammer in the area near the fuel pump.

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post #4 of 7 (permalink) Old May 29th, 01, 05:58 AM
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I'm putting an edelbrock srteet pump on my 69 with a 350 motor the pump is the same as a holley can anybody offer any advice on this topic?

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post #5 of 7 (permalink) Old May 29th, 01, 06:43 AM
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I'm running the Holly fuel pump. I just used an Aeroquip 90* pipe to flare fitting, you could also use a 45* which may be better. I had to use the 90 because that's all the store had at the time. I also had to notch the crossmember a little to clear the pump, I used and air hammer to do this.

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post #6 of 7 (permalink) Old May 29th, 01, 01:12 PM
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I have the Holley street/strip 110 gph in my 68. I used a 90* fitting on the inlet and had no problems. There is only about 1/8" between the pump and frame, but it fits. The 90* fitting clears the motor mount bolt by 1/8", you just need a 90 that screws into the pump (street EL) so you don't need a nipple or anything. No notching, hammering, swearing, etc. required. Maybe I got lucky - I did put the pump on the engine before setting it in the car though.
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post #7 of 7 (permalink) Old May 29th, 01, 01:40 PM Thread Starter
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Thanks a lot for all the help. I think my local speed shop has the fittings that you guys are talking about. I might also try the "clocking" method.

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