Well after dewinterizing yesterday I figure I can milk 1 more season out of the 55 year old 327/hf-7 combo... In addition to a paragon rebuild being on the horizon, the rear seal appears to have developed a slow leak that left me with a sizeable puddle in the bilge over the winter.

I’ve been searching the net for comparable swaps, but haven’t found anything definitive. If I wanted to power with a modern 350 setup, what would be a good way to accomplish?

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My 27' was repowered with a 350 and has the original 327 valve covers...

so the paragon would bolt up to a 350 ok? does anyone know if there are power limitations to the hf-7?

I belive many commander owners have done the exact same 350 conversion and kept the paragons. 

I've been aboard Tom Michael's 

35 and he installed 350s and bolted on the 327 stuff to it .

That was now about 15 years and 600 hours of run time  ago and still going good.

Timtation has 350's replacing the 327F's with the original  transmissions rebuilt.  Swap was around 2003.

I believe they’re limited to around 260hp based on what I’ve found. A stock 350 would be fine. 

Are you looking to do a complete repower or just long block and trans rebuild? 

lftmx3 said:

so the paragon would bolt up to a 350 ok? does anyone know if there are power limitations to the hf-7?
My interest in swapping a 350 for the 327 stems from how much cheaper and easier to find they are nowadays. Initially I was thinking I would have to completely repower because the paragon wouldn’t work.

My current train of thought, and I could be wrong, is that a longblock 350 installed by me would be same or less cost as paying someone else to rebuild the 327(not something I have time/energy for at the moment).

I’ve found a local shop that claims to have paragon rebuild experience who quoted me $500 to rebuild the HF7. Not sure if good price, but my options are limited.

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