Services: Engine Modification: Performance Engine Modifications
We can provide the following performance engine modifications:

Crankcase
boat-tailing
machine smaller crankcases for larger cylinders
machine 911 or 930 for 100mm 3.5 cylinders
machine 964 or 993 for 102mm 3.8RSR cylinder
shuffle pins
modify for 3 pickup racing oil pump
ARP or Raceware headstuds

Crankshaft
balancing
cross-drilling
find a larger stroked crankshaft and Porsche 962 factory racing cranks
straight cut timing gears

Oil pump
We can provide a rebuilt 962 3 pickup oil pump or parts and needed parts to install.

Countershafts
We offer factory Porsche billet racing countershafts with straight cut gears.

Connecting rods
much stronger APR and Raceware rod bolts and nuts
custom made solid one piece rod bushings for connecting rods
Carrillo or Pauter rods
used factory 935-962 titanium rods and balancing
new original 935 and 962 rod bearings are available

Piston and cylinders
new larger bore and/or higher compression Mahle piston and cylinder sets in both street and racing configurations
80,81,84,86.7,89,90,92,93,95,97,98,100,102mm
new 935 pistons and cylinders for 3.0 and 3.2 engines available
"Nickes" cylinders with J&E pistons in 80mm to 104mm and 87.5mm and any custom size you want
for the earlier engines from the 2.0 to the 3.2 J&E, forged pistons come stock in 9.5 and 10.5 compression
for the 3.6 engines they come in 11.5 and 12.5
J&E can also make custom pistons any size and compression you want
we have a selection of good used 935 and 962 pistons and cylinders, and cylinders for turbocharged cars in 93mm, 95mm, 97mm, 99mm
new factory Mahle racing rings and full sets are available
new 102mm Mahle 3.8 RSR pistons and cylinders and Mahle ring sets available
some used 3.8 RSR Mahle cylinders are available

Cylinder heads
port the intake and exhaust ports larger
install larger steel valves and seats
custom titanium valves with matching beryllium copper alloy seats
Twinplug conversions
larger 935 finned exhaust valve guides for 930s
rebuilding of 935 and 962 heads
962 IMSA racing cylinder heads for 930 engines
parts for 962C four valve water cooled heads
machine holes for mechanical injectors
high rev valve springs
titanium valve retainers
new custom niresist ring headgaskets for 930s and machine the heads and cylinders to match
chamfer heads for larger cylinders and pistons

Camshafts
stock and aftermarket performance cams: most any type of 911-914-6,930-964-965 and 993 camshafts
most Porsche stock factory cams can be regound to original specs by our local camgrinder who does top quality work and has
   been doing our cams and rockers for 25 years
we have all aftermarket performance cam grinds available
your original cams can be hardwelded and reground to any performance specs, and there are many choices
new factory cams

Camshafts
racing cams and cam grinds
factory racing cams or cam grinds like 906, 2.8 and 3.0 RSR, 934, 935-962, 3.8 RS, 3.8 RSR, and have 935-962 IMSA style cam
   end stubs for racing cam drive accessories
new and used 962C 4 valve cams

Rocker arms
regular 911-930-964 rockers can be reground
906-911 RSR, 934-935-962 IMSA 964-993 RSR racing rockers can be repaired, rechromed and reground
new 935-962 IMSA rocker arms are available
used early RSR 935-962 nitrided shafts
new 964-993 3.8 RSR racing rocker arm and nitrided shaft kits are available

Flywheel and clutch
RSR style light flywheels
Light clutch kits with aluminum pressure plate and sport disc available (Sachs sport clutch kit and others) for 911, 915, 930
   many of which save about 15lbs and make the engine rev up quicker and the car lighter
Euro RS light clutch kit for 964 and 993

Intake
40, 46 and 50mm PMO carb kits
rebuilding of Weber carbs
can rebuild, upgrade and put together Porsche mechanical injection systems from parts to build a system
2.7RS injection pump conversion
930 USA modified to European CIS Injection specs
several levels of larger intercooler kits for most models
extrude hone 3.2 Carrera intake manifold
install 3.2 manifold on 930 engine
convert US 993 injection to Euro Carrera RS and more

Exhaust
SSI stainless heaterboxes and stainless Borla mufflers
European Racing Headers
B&B stainless exhaust systems for most Porsches
tubi exhaust for 993’s
930 European crossover pipes for US 930’s
962C 4 valve exhaust headers
K-27 and K-29 turbos for 930, and 964 turbo
K-33 and K-36 turbos for 962 IMSA and 962C
some types of turbos for Porsche by Garrett and other turbo companies
a large selection of turbocharger hot and cold housings, center sections and other miscellaneous parts
962 2 and 4 valve turbos and parts
993 turbos
930-935 wastegates and parts
962 single and dual turbo wastegates and parts
If you want some other type of exhaust system please call 360-652-5962.

Ignition system
Bosch
Permatune or MSD ignition units
RSR/935 early style twinplug distributor conversions for 1978 to 1983 911SC it can also be done to 1975 to 1989 930 distributors,
   for the 1984-1989 911 Carrera 3.2
964 Motronic twinplug distributor conversion kit
and more