351W For 65' Fastback

Rye425 · Jun 29, 2007

Well I need help! I'm at the point to select an engine for my 65' Fastback 2+2. I am not going stock so I want a bigger engine. I have been looking at 351W and 331 strokers, which people have been telling me to go for. I don't want to do any modifications to the towers and the car has power disc/drum so I am going with modern driveline's cable clutch. Price range is 7 to 8K

This has caught my eye, I know its a cobra but I'm likin':

http://www.fordcobraengines.com/351wpolish.htm

rbohm · Jun 29, 2007

both engines fit, the 331 fits like a 289 though. the 351w requires swap headers. neither engine requires the shock tower be notched. the other advantage the 331 has is lighter weight, about 100lbs lighter.

blue65coupe · Jul 1, 2007

As stated the 351W requires a header swap and when I was looking at doing this there was only 1 header out there for this. Look in Summit/Jegs. I also read of some clearance issues with the 351 and power brake booster. I stayed with the 289 since I have "room" to work and stuff. Yahoo or Google "351W in a '65 mustang" and you'll get your answers. I'd go beefed up 289/302 or with the 331.

GNN60GT500 · Jul 3, 2007

Im running a 351W in my 65 fastback- header swap was only real issue- everything else went in pretty good- not alot of room, and I need a low profile aircleaner- but it all fit

351W For 65' Fastback

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351W For 65' Fastback

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