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#1
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195 Fuel Pump Eccentric
Hi there - I'm hoping the 195 experts can help me here. My car had a block-off plate installed and was using an electric fuel pump mounted near the tank. I don't like that and wish to go back to the factory mechanical pump. I pulled the block-off plate and decided to inspect to make sure the eccentric was present (having just watched the Roadkill episode where it was missing on the '71 T-37). It is, but it didn't look right compared to the several '65+ V8 eccentrics that I have installed. The inner ring stuck out way beyond the outer ring, and the outer ring has a lip at the back edge. The outer ring is not captive, and I can slide it back and forth along the inner piece. Is this unique to the 195, or do all the early V8 engines use this design too? I assume the lip at the back will catch on the fuel pump arm and prevent the ring from sliding all the way forward where it would rub on the timing cover.
I'm just hoping for some confirmation that this is normal so I can proceed with the pump installation. Thanks!
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Hoping to finish a project while I'm still able to push the clutch in.... 1963 Tempest Convertible (195-1bbl, 3-speed transaxle. 428 RAIV, 5-speed, IRS planned) Pictures |
#2
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Sounds like you found out why the car has an electric fuel pump. It should be tight against the camshaft end, if not it will not pump the mechanical pump. Also, the 4 cylinder pump is smaller than the normal pump. The engine is offset on the mounts. The larger pump will not fit between the engine and the steering box.
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If you built it, drive it. red 62 Tempest total stock restoration. white 62 Tempest modified, 61 389 Tri-Power, and a conventional drive train. |
#3
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Quote:
I do have the correct small pump for the application #4843. Thanks!
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Hoping to finish a project while I'm still able to push the clutch in.... 1963 Tempest Convertible (195-1bbl, 3-speed transaxle. 428 RAIV, 5-speed, IRS planned) Pictures |
#4
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The outer piece is loose & meant to move back & forth. Should be just fine to bolt in the new pump. Do you have the correct pump bolts? The correct bolts have a 3/8 -12 point head on them so your socket will clear the pump body.
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Keith Collier 61-63 Pontiac Tempest Tech advisor POCI.org |
#5
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Thanks, Keith. I was not aware of the special bolts. I used standard 9/16" head bolts. The kind with the built-in washer. My socket was tight and at a slight angle when installing, but no issues.
I used a straight nipple on the inlet port and a 90º on the outlet. Did the factory use a hardline from the pump to carb on these? I know it's safer than hose, but I'm using hose for now with an inline metal filter.
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Hoping to finish a project while I'm still able to push the clutch in.... 1963 Tempest Convertible (195-1bbl, 3-speed transaxle. 428 RAIV, 5-speed, IRS planned) Pictures |
#6
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I use rubber from pump to carb with an inline also. No issues.
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Keith Collier 61-63 Pontiac Tempest Tech advisor POCI.org |
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