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These are the some of the prices you can expect to pay for increasing the
displacement of the VR6. I'm pulling these from memory (my receipts are
packed away for my short move).
6 Pistons, 83mm forged, 10.5 to 1 comp., custom built by JE
$936
Swain Tech coating package, molybdenum for skirts reduces friction,
allows tighter clearances. TBC top coat helps to keep heat in the chamber.
$324
Raceware bolts, rods, mains, and head
$500
New German main and rod bearings
$124
Head gasket set, OEM Victor Reinz
$80
Complete assembly and machine work performed by Interprep Performance.
Includes bore and hone block to 83mm, resurface block, balance all
internal parts (rods, crank w/ flywheel and clutch), complete assembly of
lower end, all clearances measured and recorded, custom windage tray and
baffled oil pan. Alistair Oag knows how to put a v-dub engine together!
$1300
One speeding ticket while running parts
$80
Totals about $3300 for a complete shortblock. Leave off extras like
coatings, windage tray, bolts, and you could probably get one together
for $2500.
I also p&ped the head myself, 260 cams, titanium retainers
$800 for cams and retainers
I had a Schrick Intake and Genie header installed, they've since been
sold and replaced by lightly reworked stock pieces (in anticipation of
forced induction).
Actual displacment is 2930cc, factory 2.9 is 2860 (?). Stock crank was
retained for a good balance of low end torque while allowing engine to
rev to 7k rpm. Big 3.1L cranks don't like to rev. 83mm is the absolute
max bore for the 2.8l block.
HP and 1/4 mile times unknown.
I'll try to answer any other questions.
Brian
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