Gen 4 vs Gen 5

[Shannon Whitehead]

#78408

Valve covers, intake manifold, heads and block, pistons, rods, camshaft, exhaust manifolds, exhaust, clutch, trans, rear end come to mind. I believe the oil pan is also manufactured by a new company also.

[Shannon Whitehead]

#78409

So is the head completly different as far as port design? If the headed and intake manifolds fit both gens?

[Shannon Whitehead]

#78411

The water jackets are different and the heads are machined for the intake manifold crush sleeves based on what I’ve been told and read. I don’t recall hearing about different ports.

I’m told the heads are not interchangeable because of the different water jackets.

[Shannon Whitehead]

#78412

I’m assuming that’s the difference in the block as well or is there something else?

[Shannon Whitehead]

#78413

That’s what I was told and that the head gaskets on the V are different for each head where previous gen they were interchangeable.

[Shannon Whitehead]

#12102

What exactly are the differences in the motor and drive train between these two?

[Author]

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