After collecting bits for awhile I have started to assemble a stockish replacement 409 for my 64 Biscuit.
I bought the Biscayne some 5 years ago, and in that time the QB bottom end with 817's has run pretty good but was/is always a bit fumey for my liking, never used any oil or got hot, in fact has run like a charm and typically revs hard but not high.
So with a 422 truck block, I had it bored 30 over with a set of cast 11:1 slugs, a Howards Cam, see card, just had the 583's machined, including valve cover gasket surface, faced and new bronze valve guides and stem machined for viton seals. I checked for Valve to Piston clearance using plasticine, I did this without the head gasket measured approx 40 thou so with the gasket should be around 85 thou, Going to do a little die grinding to match the intake gasket and smooth a little area around the intake valve stem. Going to use a 881 intake with a couple of 500 cfm Edelbrock carbs.
Not really sure what sort of HP I will get, but if I get around 350-400 at the rear wheels I will be pretty happy.
The plans for the QB block are a little more, 4" crank, 30 over Icon forged slugs, hydraulic roller cam (might be solid roller yet) this will have the heads and intake off Dave Mills 65 Nova, I picked these up at Great Bend.
Happy to hear comments on whether or not I will see the 350-400HP mark
The 409 is on the right, on the left is my sons 65' 390 FE that he is going to fit in his new project a 32 5w coupe (Ford)
I bought the Biscayne some 5 years ago, and in that time the QB bottom end with 817's has run pretty good but was/is always a bit fumey for my liking, never used any oil or got hot, in fact has run like a charm and typically revs hard but not high.
So with a 422 truck block, I had it bored 30 over with a set of cast 11:1 slugs, a Howards Cam, see card, just had the 583's machined, including valve cover gasket surface, faced and new bronze valve guides and stem machined for viton seals. I checked for Valve to Piston clearance using plasticine, I did this without the head gasket measured approx 40 thou so with the gasket should be around 85 thou, Going to do a little die grinding to match the intake gasket and smooth a little area around the intake valve stem. Going to use a 881 intake with a couple of 500 cfm Edelbrock carbs.
Not really sure what sort of HP I will get, but if I get around 350-400 at the rear wheels I will be pretty happy.
The plans for the QB block are a little more, 4" crank, 30 over Icon forged slugs, hydraulic roller cam (might be solid roller yet) this will have the heads and intake off Dave Mills 65 Nova, I picked these up at Great Bend.
Happy to hear comments on whether or not I will see the 350-400HP mark
The 409 is on the right, on the left is my sons 65' 390 FE that he is going to fit in his new project a 32 5w coupe (Ford)
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