Fuel Pump Help 69 Camaro - Team Camaro Tech
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post #1 of 8 (permalink) Old Sep 15th, 16, 07:40 AM Thread Starter
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Fuel Pump Help 69 Camaro

I have a 383 stroker motor in a 69 Camaro and my Holley Mechanical Pump 12-327-11 will not mount in. My outlet fittings ether hit the block or frame no matter how I rotate the bottom and tried many fittings. Does anyone have any ideas what mechanical pump will fit. Would a stop pump from a 302DZ motor work? Was also looking at a Chevy fuel pump that Summit sells. Motor ran great on a stand with that Holley. Motor has 425 HP with a roller cam. Thanks for any help.
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post #2 of 8 (permalink) Old Sep 15th, 16, 08:21 AM
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Re: Fuel Pump Help 69 Camaro

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Originally Posted by bleeper1 View Post
I have a 383 stroker motor in a 69 Camaro and my Holley Mechanical Pump 12-327-11 will not mount in. My outlet fittings ether hit the block or frame no matter how I rotate the bottom and tried many fittings. Does anyone have any ideas what mechanical pump will fit. Would a stop pump from a 302DZ motor work? Was also looking at a Chevy fuel pump that Summit sells. Motor ran great on a stand with that Holley. Motor has 425 HP with a roller cam. Thanks for any help.
When I put my 406 in, I took out the bolts that held it together, rotated as needed and then drilled new holes in the bottom half of the fuel pump using the upper half as a template.

Make sure you don't get metal shavings inside the pump.

Worked great and never leaked.
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post #3 of 8 (permalink) Old Sep 15th, 16, 09:30 AM
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Re: Fuel Pump Help 69 Camaro

I use the same pump, with street 45 elbow fittings on inlet and 90 directly up on outlet. All fittings are the larger 3/8 " pipe thread. If that inlet elbow hits, just grind off the corner. All fitting were brass. If the fittings don't fit, you may have the incorrect engine stands for sbc.

Inlet is at 3 oclock and out is less than 2 oclock. I run the same pump and its clockable. But I didn't need to do that.

Don
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Zdld17:69 Z/RS,306, NOR141111, 9N554XXX, 12A, X3G, 59/59,723, AFR 195,CCC282/290HR, TKO 600, BU1122B1E Owner since Dec 1968

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post #4 of 8 (permalink) Old Sep 15th, 16, 06:38 PM
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Re: Fuel Pump Help 69 Camaro

I did the same thing as Rob, just drill and tap new holes.

1967 camaro, 327, 9.7 CR, comp cam xs274solid, vortec cylinder heads, edelbrock vortec performer rpm, 750 annular carb, HVH 2" spacer, msd pro billet w/6A box, turbo 350 trans, 3500 stall, 4:10 gears, caltracs suspension, m/t drag radials.
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post #5 of 8 (permalink) Old Sep 15th, 16, 09:14 PM Thread Starter
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Re: Fuel Pump Help 69 Camaro

Thanks for the ideas. I may try rotating and drilling the new holes.
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post #6 of 8 (permalink) Old Sep 16th, 16, 09:21 AM
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Re: Fuel Pump Help 69 Camaro

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Thanks for the ideas. I may try rotating and drilling the new holes.
I don't think drilling holes into the pump body is a good idea. You have the same pump I do and those holes should be 3/8"NPT on both sides and there are no other bosses to drill on. Rotation is you best bet.

Don
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post #7 of 8 (permalink) Old Sep 16th, 16, 08:17 PM
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Re: Fuel Pump Help 69 Camaro

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Originally Posted by zdld17 View Post
I don't think drilling holes into the pump body is a good idea. You have the same pump I do and those holes should be 3/8"NPT on both sides and there are no other bosses to drill on. Rotation is you best bet.
Don, we are talking about the screws that hold the top and bottom of the fuel pump together----I had to drill and tap holes between the hole that were already there.

1967 camaro, 327, 9.7 CR, comp cam xs274solid, vortec cylinder heads, edelbrock vortec performer rpm, 750 annular carb, HVH 2" spacer, msd pro billet w/6A box, turbo 350 trans, 3500 stall, 4:10 gears, caltracs suspension, m/t drag radials.
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post #8 of 8 (permalink) Old Sep 17th, 16, 07:14 AM
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Re: Fuel Pump Help 69 Camaro

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Originally Posted by rkmjbad67 View Post
Don, we are talking about the screws that hold the top and bottom of the fuel pump together----I had to drill and tap holes between the hole that were already there.
Gotcha now, Thought you were talking about the fuel port holes. I just looked at my spare 12-327-11 pump and it only had 6 threaded holes, which should be enough to relocate the middle body and lower body that relocates from the inside .

Good luck.

Don
TC # 349
Zdld17:69 Z/RS,306, NOR141111, 9N554XXX, 12A, X3G, 59/59,723, AFR 195,CCC282/290HR, TKO 600, BU1122B1E Owner since Dec 1968

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