Aerostar project 400
Lead Driver
Joined: Sep 2003
Posts: 7,015
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From: SoCal
The small block Ford is probably the most compact production American v8 engine. In some dimensions it is actually smaller than the 4.0 liter v6 (non-OHC). This would be the best choice in an American v8 to transplant into an Aerostar.
The 4.6 liter modular engine has the outside dimensions of a Boss 429, and will require much more cutting to fit into an Aerostar engine compartment.
The 4.6 liter modular engine has the outside dimensions of a Boss 429, and will require much more cutting to fit into an Aerostar engine compartment.
Post Fiend
Joined: Jul 2005
Posts: 8,462
Likes: 4
From: Durant, OK (SOSU)
Indeed, the 302 isn't exactly a bolt in to the Aero, but it's quite compact for a V8 (I was suprised when I got mine and first measured it), especially when stripped down to just bear bones running minimum (and no fuel injection).
Engine------Length----------Height----------Width
302---------27-1/2 Inches---20-3/4 Inches---18-3/4 Inches
351W-------27-1/2 Inches---23-3/4 Inches---21 Inches
4.6L SOHC--28 Inches-------26 Inches--------28-5/8 Inches
4.6L DOHC--28 Inches-------29-7/8 Inches----30 Inches
Engine------Length----------Height----------Width
302---------27-1/2 Inches---20-3/4 Inches---18-3/4 Inches
351W-------27-1/2 Inches---23-3/4 Inches---21 Inches
4.6L SOHC--28 Inches-------26 Inches--------28-5/8 Inches
4.6L DOHC--28 Inches-------29-7/8 Inches----30 Inches
Post Fiend
Joined: Jul 2005
Posts: 8,462
Likes: 4
From: Durant, OK (SOSU)
I was terribly suprised at the size of the 302...18 inches is just so small in person.
Length is truly the only issue with American V8s...we like compact widths and nice heights, but length can get large.
Length is truly the only issue with American V8s...we like compact widths and nice heights, but length can get large.
Lead Driver
Joined: Sep 2003
Posts: 7,015
Likes: 208
From: SoCal
All engines will sustain damage when overheated. Some are more easily damaged than others from overheating (Honda). That's why you should prevent it from happening with proper maintenance.
My impression is that the SBF v8 can tolerate more overheating than the 4L v6 before the heads warp. The water passages in the v6 heads make it much weaker than the v8.
My impression is that the SBF v8 can tolerate more overheating than the 4L v6 before the heads warp. The water passages in the v6 heads make it much weaker than the v8.
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