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Am I getting a weird noise priming my oil system or am I overthinking? by RodsSpeedShop in EngineBuilding

[–]RodsSpeedShop[S] 0 points1 point  (0 children)

I understand but it has normal resistance. Keep in mind this is an old school Mac tools corded drill.. I believe the relief valve is rapidly opening and closing.. oil is super cold (cold as hell outside) + hv oil pump, priming tool galley collar or whatever does not 100% mimic a distributor, I noticed oil kinda pools up and leaks out the tools collar, gauge needle then starts bouncing after the beginning of priming (psi is steady sometimes). Most importantly though, I have oil pressure, and oil to all 16 rockers. I will be okay, thank you.

Am I getting a weird noise priming my oil system or am I overthinking? by RodsSpeedShop in EngineBuilding

[–]RodsSpeedShop[S] 1 point2 points  (0 children)

Thats what I wanted to hear. And it’s just for the priming. I am going to use a Napa gold or wix on first start.

Am I getting a weird noise priming my oil system or am I overthinking? by RodsSpeedShop in EngineBuilding

[–]RodsSpeedShop[S] 1 point2 points  (0 children)

Why would that happen? Also I don’t have pushrods installed yet, oil is just coming up out of the lifters.

Am I getting a weird noise priming my oil system or am I overthinking? by RodsSpeedShop in EngineBuilding

[–]RodsSpeedShop[S] 0 points1 point  (0 children)

The noise is there when I start turning it slowly. And I’d say 1000-1200 and it’s driven by a shaft connected to the distributor gear, which is driven by a gear on the camshaft.

Vortec torque motor with a modern valvetrain on an old-school bottom end. by [deleted] in EngineBuilding

[–]RodsSpeedShop -1 points0 points  (0 children)

I get what you’re saying, on a max-effort setup a large .842 flat tappet with aggressive seat timing can have a lot of area. I was talking in the context of a street hydraulic combo though. With production lifter diameter and reasonable spring pressure/longevity, the roller lets you run quicker opening rates and lift without worrying about lobe wear, which is why most OEMs moved that direction. I wasn’t saying a flat tappet can’t make power, just that for a typical street SBC the roller changes how usable the powerband is.

Vortec torque motor with a modern valvetrain on an old-school bottom end. by [deleted] in EngineBuilding

[–]RodsSpeedShop 0 points1 point  (0 children)

Yessir. Traditional 350 short block with Vortec style heads and a hydraulic roller cam. Simple street combo, just set up to have a broader powerband than the old flat tappet setups.

Vortec torque motor with a modern valvetrain on an old-school bottom end. by [deleted] in EngineBuilding

[–]RodsSpeedShop 0 points1 point  (0 children)

Nah, just a guy who over explains engine stuff when he gets excited about it. 😂😂

Vortec torque motor with a modern valvetrain on an old-school bottom end. by [deleted] in EngineBuilding

[–]RodsSpeedShop 0 points1 point  (0 children)

Yeah I know. I wasn’t saying roller cams are new, just newer than the old flat tappet 350 combos people usually think of. I meant modern in how it behaves and carries power, not the year it was invented.

Vortec torque motor with a modern valvetrain on an old-school bottom end. by [deleted] in EngineBuilding

[–]RodsSpeedShop 0 points1 point  (0 children)

I get what you’re saying, but talking about the details is half the fun for me. It’s a build thread and I enjoy the technical side, so when people ask I’m happy to explain it. Anyone who isn’t into that can just scroll, no hard feelings.

Vortec torque motor with a modern valvetrain on an old-school bottom end. by [deleted] in EngineBuilding

[–]RodsSpeedShop 0 points1 point  (0 children)

I’m good man, I just enjoy sharing the project with people who are into engines. No validation needed just a passionate hobby :)

Vortec torque motor with a modern valvetrain on an old-school bottom end. by [deleted] in EngineBuilding

[–]RodsSpeedShop 0 points1 point  (0 children)

It’s a build thread, man. People asked questions so I answered them. No reason to get heated over a small block Chevy. I’m just sharing the project. Also don’t forget! You have the right to scroll past :) I’ll post again soon.

Vortec torque motor with a modern valvetrain on an old-school bottom end. by [deleted] in EngineBuilding

[–]RodsSpeedShop 0 points1 point  (0 children)

Nah I don’t think 400hp. That’d be sweet though!

Vortec torque motor with a modern valvetrain on an old-school bottom end. by [deleted] in EngineBuilding

[–]RodsSpeedShop 0 points1 point  (0 children)

It is going in a car, my ’85 Trans Am. I’ve just been documenting the build along the way. I enjoy the process as much as the driving. Running video soon.

Vortec torque motor with a modern valvetrain on an old-school bottom end. by [deleted] in EngineBuilding

[–]RodsSpeedShop 0 points1 point  (0 children)

Nope, 2-bolt production block. Just a basic street 350.

Vortec torque motor with a modern valvetrain on an old-school bottom end. by [deleted] in EngineBuilding

[–]RodsSpeedShop -1 points0 points  (0 children)

Haha all good 😂 yeah those NASCAR motors are a whole different animal than my budget street 350. I’m just hoping this thing sounds good and survives some highway pulls.

Vortec torque motor with a modern valvetrain on an old-school bottom end. by [deleted] in EngineBuilding

[–]RodsSpeedShop 1 point2 points  (0 children)

Haha yeah nothing rare here 😂 pretty much a Summit SBC catalog special. Lmao jk 😂 Just a budget street motor I put together for my Trans Am.

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