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> 75 1.7L 914 Build, for my own learning and project tracking
Vicious
post Mar 24 2025, 11:42 AM
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I've always wanted to own a 914. My dad had a few before I came along and talked about it often. In high school we looked for one to build together but it never happened. In July of 2022, I was visiting my goddaughter at her grandfather's house when the grandfather and I got to talking about cars. He was talking about Karmann Ghias and I said something along the lines of "I'd much rather have a Porsche 914" to which he responded "I've got one. Its been sitting for 20 years" I jokingly told him to let me know if he wanted to sell it. When he came back and said for $1000.00 I could have it I agreed sight unseen.

August of 2022, still never having seen the car, I made the 4 hour drive back with my trailer to pick up my new to me 914. I had no idea what to expect and honestly expected the worst. It had been sitting for 20 years after all. This is the backstory I was given, as best I can remember:

In the early 2000s, he took his rusted out 1973 (i think) 914 to a shop in Des Moines, IA to be restored. They ultimately decided to pick up a shell in I believe Arkansas and frankenstein a car together. Thus why my 1975 has a 1.7L in it. Car got a fresh coat of paint and a rebuild and he drove it home. He was then unable to title the vehicle due to the body swap, stashed it in the back of his shed and never touched it again. Unfortunately, after all this time, he was unable to find any of his paperwork or keys to the vehicle.

Here's how the vehicle looked after getting it out of the shed.


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914sgofast2
post Mar 25 2025, 03:52 PM
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Those heads are very crusty. Looks like they have more than just 200 miles on them since they last received a valve job, unless the car was buried in the mud or something to cause all that external corrosion. I would get the heads cleaned up and then just hand lap the vales if you think it only has 200 miles since it last had a valve job and the heads were fly cut to fit the 96mm cylinders into them. When cleaning the heads, do not glass bead blast the internal surfaces of the heads where the valve train sits or the combustion chambers. Only bead blast the external areas. Glass beads will get stuck in the soft pores of the aluminum and then slowly released as the heads heat up and cool down during engine operation. You don't want stray glass beads being released into the engine's internal areas, as they will destroy the bearing surfaces and other moving parts. Only the cylinder heads' external areas can be glass bead blasted to clean them up. I also note that one of the heads has a big chunk of cooling fin missing from it. That will cause a loss of cooling ability on that head. You can probably still use it for a while, but don't expect a long life out that damaged head (which is already over 50 years old!)
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Vicious   75 1.7L 914 Build   Mar 24 2025, 11:42 AM
Vicious   Gave the car a bath and dragged her home. I was ov...   Mar 24 2025, 11:44 AM
brant   Title process is likely to be a barrier I’d want...   Mar 24 2025, 12:09 PM
Vicious   Title process is likely to be a barrier I’d wan...   Mar 24 2025, 12:42 PM
Vicious   Got it into my garage, and being the overzealous d...   Mar 24 2025, 12:10 PM
Vicious   Some more photos   Mar 24 2025, 12:13 PM
Vicious   Unfortunately, as it does, life happened. I broke ...   Mar 24 2025, 12:35 PM
Spoke   -motor rebuild Having owned a 1.7L, 1.8L, 2.0...   Mar 24 2025, 02:16 PM
Vicious   -motor rebuild Having owned a 1.7L, 1.8L, 2....   Mar 24 2025, 03:42 PM
euro911   Looks like you have a good foundation to work from...   Mar 24 2025, 12:53 PM
emerygt350   That really does look like a nice project! Go...   Mar 24 2025, 01:28 PM
brant   2mm per a piston bore change. same stroke. the 1....   Mar 24 2025, 03:57 PM
emerygt350   2mm per a piston bore change. same stroke. the 1...   Mar 24 2025, 04:49 PM
brant   1.7/ 1.8 the same angle 2.0 has the unique angle...   Mar 24 2025, 05:54 PM
Vicious   2mm per a piston bore change. same stroke. the 1...   Mar 24 2025, 06:10 PM
brant   Believe so But even a hole saw and bit of welding...   Mar 24 2025, 06:13 PM
Vicious   Believe so But even a hole saw and bit of weldin...   Mar 24 2025, 11:30 PM
bajafreaks   Going with 2.0 heads requires different heat excha...   Mar 25 2025, 07:56 AM
brant   You can put either style of early exhaust onto any...   Mar 25 2025, 08:02 AM
Vicious   Good news! As previously stated, the guy i bou...   Mar 25 2025, 03:36 PM
914sgofast2   Those heads are very crusty. Looks like they have...   Mar 25 2025, 03:52 PM
Vicious   Those heads are very crusty. Looks like they hav...   Mar 25 2025, 04:00 PM
emerygt350   Unless you are serious about keeping this cheap, t...   Mar 25 2025, 04:09 PM
Vicious   Unless you are serious about keeping this cheap, ...   Mar 25 2025, 06:09 PM
rhcb914   Those jugs and pistons look like the old 96MM NPR ...   Mar 25 2025, 07:54 PM
Vicious   Those jugs and pistons look like the old 96MM NPR...   Mar 25 2025, 09:56 PM
Artfrombama   I don't see major corrosion. I see parts that ...   Mar 26 2025, 11:13 AM
914sgofast2   Based on you photos, it looks like those heads won...   Mar 26 2025, 12:48 PM
Vicious   Based on you photos, it looks like those heads wo...   Mar 26 2025, 02:34 PM
rhcb914   I can tell by the thin wall of the cylinder sealin...   Mar 26 2025, 08:10 PM
brant   you should seriously consider back dating to a set...   Mar 27 2025, 09:40 AM
Vicious   you should seriously consider back dating to a se...   Mar 27 2025, 11:20 AM
brant   you should seriously consider back dating to a s...   Mar 27 2025, 02:17 PM
technicalninja   The single most important sealing surface on the T...   Mar 27 2025, 09:58 AM
Vicious   That 1.7 slipper kit is 1/2 the thickness of wha...   Mar 27 2025, 11:30 AM
Vicious   Still waiting on my type 4 yoke to arrive so I can...   Mar 29 2025, 03:01 PM


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