enginebuilding
EngineBuilding
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Updated Rules for r/Enginebuilding
Hey peeps, We've been noticing an uptick in certain types of posts over the last few months and it's about time we address some of these issues along with a ru
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EngineBuilding
48 Comments
State of the Sub - What changes need to be made /r/EngineBuilding
It's been a long time, but I'm hoping to be more active as well as the other mods. We are also hunting through the 'applications' to add some new mods as well,
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EngineBuilding
14 Comments
You guys/gals like BBC street builds?
496ci BBC, Manley 4340 lightweight crank, Hoeard's billet 4 bolt conversion, K1 H-beam, CP domed 2618 pistons, Brodix RR2+, Comp billet custom solid roller Jese
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EngineBuilding
24 Comments
Can these camshafts be saved?
I need to replace my rear Exhaust camshaft on my 1991 3000GT VR4. This is the only Set available in Germany currently and the Guy wants 150€ for all 4 together.
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EngineBuilding
12 Comments
I'm off timing?
This is a VQ37VHR, just after removing the chain tensioner I noticed there was a little bit of slack between the water pump and the crankshaft sprocket. I tried
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EngineBuilding
7 Comments
is this head useable?
picked this up for cheap as a spare for my spare’s spare. not a pro at engine building yet so I was hoping somebody could let me know if this is something a mac
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EngineBuilding
21 Comments
Why 3.5L EcoBoost Engines Fail Early (and Why It’s Not Ford’s Fault)
Rebuilding my Ford 3.5 EcoBoost and sharing before/after shots has sparked some great convos — but also reminded me how much *misinformation* is out there. Let’
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EngineBuilding
10 Comments
Oil Pump Gerotors - 130k miles
The pump was functional but I'm replacing it for Melling HV. Some wear on the smaller gerotor visible.
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EngineBuilding
4 Comments
Update: That Oldsmobile 350 continued to get worse.
The piston clearance, rod orientation etc were all fine. Harmonic balancer had a huge amount of slop in it, the worn crank snout explains that. The shaft key
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EngineBuilding
12 Comments
Chain stretch - 130k miles
Approx. 1/4"
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EngineBuilding
15 Comments
Crankshaft sprocket after 130k miles
Ford Gen1 3.5 EcoBoost Crankshaft sprocket. New vs 130k miles.
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EngineBuilding
14 Comments
How to unseize Oldsmobile 455
I have a 1969 Oldsmobile 98 with a Oldsmobile 455 that has been sitting since the mid to late 80s. I've poured transmission fluid down the plug holes and let it
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EngineBuilding
48 Comments
Has anyone gotten inside a failed 6.2 GM
My neighbor's 2024 6.2 has failed twice, just took it in for the third engine with him. I looked at his receipts, all 5000 mile oil changes at the dealership. H
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EngineBuilding
27 Comments
Sent my block off to the shop for sleeving and decking almost a month ago... is this normal?
I sent my 4 cylinder off to a machine shop on the east coast last month, it was delivered and signed for on the 17th... i was sent an email stating it was being
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EngineBuilding
5 Comments
Cam bearing fit
Ford fe 390. Cam rotates extremely freely when set 4 out of the 5 bearings in. Last bearings which measured slightly tighter oil clearances causes more resistan
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EngineBuilding
9 Comments
Camshaft Follower - 130k miles vs New
Ford 3.5 EcoBoost Gen1 HPFP Camshaft Follower / Tappet Roller
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EngineBuilding
1 Comments
862 heads painted
Wanted to show off my painted heads and see what people think of them
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EngineBuilding
1 Comments
High compression 5.7
I am toying with the idea of building a high(er) compression hemi, somewhere around 12.5:1. Ideally I’d like to overbuild to make sure I have lots of headroom a
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EngineBuilding
0 Comments
8.1/496 GM Main Rear Cap
Double checking there is NOT an o-ring between the rear main cap and the block for the oil hole. Looks like a machined surface seal (no gasket, o-ring, etc…).
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EngineBuilding
9 Comments
which spec should I go by on my na ls7? It will be a street car. Confused by how it mentions street but then also an aluminum block application..
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EngineBuilding
28 Comments
Machine shop cracked collars around valve seat and guide
He apologized for the issue, and discounted the job, but said these guides are secure and that the collar won’t fall apart further. I’m obviously very concerne
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EngineBuilding
4 Comments
Is this a crack or a mark?
This is a VG30E that had its timing belt break. The pistons only suffered some mild dents, the rings are fine and there's no piston play at all. I was going to
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EngineBuilding
2 Comments
Big block 460, questions regarding compatibility
I've recently got a 1974 Ford F250. My father in law has a big block 460 for me to put in it and I wanted to rebuild/go through everything. At first I was looki
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EngineBuilding
8 Comments
Valve guides, hardened seats, multi-angle exhaust valve job
Good afternoon y’all, just looking for info on how much it’ll cost me to do the above listed work on a pair of bare 1969 Ford 460 heads to compare to my quotes
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EngineBuilding
26 Comments
Should I take this to a machine shop?
Had to replace the dowel on my engine. Scuffed up the surface around it a little bit. I’m worried it’ll affect the sealing of the head gasket. Any advice? Scotc
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EngineBuilding
6 Comments
Tunnel Ram Carburetors
Hey all, I just bought my first tunnel ram. It's going on a 400 did Mopar big block. What kind of carburetors and linkage setups do you all use for a tunnel r
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EngineBuilding
5 Comments
Piston Rings that fit oil groove
I'm looking for piston rings that fit my stock 327 pistons. The oil ring groove is .188 deep. Any help locating such a thing? I've read where the rings that h
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