$25K Engine paper weight listed on Ebay
#1
Drifting
Thread Starter
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An interesting listing for a stroker engine that actually does not run, but is listed for more than a running GTS.
http://www.ebay.com/itm/928Motorspor...1a92b7&vxp=mtr
http://www.ebay.com/itm/928Motorspor...1a92b7&vxp=mtr
#3
#4
Rennlist Member
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An interesting listing for a stroker engine that actually does not run, but is listed for more than a running GTS.
http://www.ebay.com/itm/928Motorspor...1a92b7&vxp=mtr
http://www.ebay.com/itm/928Motorspor...1a92b7&vxp=mtr
#5
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This should turn out well. I'd like to see how it's all put together and exactly what parts of it do not run? Compression numbers etc.
Porsche 928 block
Used Porsche 928 5.0 liter engine block and heads for cores, including cam cores
1
Block boring
and sleeving
Bore 928 block and sleeve it with high-ductile T-Top iron sleeves to 4.125” bore.
1
Stroker Crankshaft
Steel 4340 alloy billet crankshaft. Shot-peened, magnafluxed, straightened and polished, with improved oiling passageways for a 6.5 liter engine
1
Crankshaft options -KE
Knife-edge the counterweights
1
Crankshaft options- RJL
Rod Journal lightening
1
Connecting rods
Custom 928MS connecting rods, manufactured from Timken 4340 alloy, 850 HP spec, high-strength rod bolt upgrade
8
Bearings
Matching bearings for the custom crank and connecting rods
Set
Pistons
Custom 928MS forged pistons, designed for SC use, ceramic-coated crowns and graphite-impregnated skirts. 8.5:1 CR
8
Piston Rings
Total Seal Piston rings to 928MS spec for this engine
Set
Head Studs
High-strength head studs to replace the stock head bolts
Set
Upper Engine Fasteners
New High-strength nuts for the Head studs
Set
Lower Engine fasteners
New High-strength nuts for the crankcase and bearing bosses
Set
Static Balancing
Pistons, wrist pins and rods weight-matched to .1 gram
1
Dynamic Balancing
Rotating assembly spin-balanced as an assembly
1
Ported Heads
Porting of the 32v heads for optimum flow. Includes surface milling, and seat milling for over-sized valve seats
Pair
Head Gaskets
4-LAYER steel head gaskets, custom bore dimension
Set
Gasket Set
Porsche Complete Engine Gasket set, less Head Gaskets
Set
Valve Job
Complete valve job, new valve seats for large-valve upgrade, seals, guides, and surface milling.
1
Valves – SS
928MS custom Stainless Steel valves, 39mm intakes with upgraded 7mm shafts, 33mm exhaust valves
32
Retainers
928MS custom bead-lok valve spring retainers, Titanium
32
Springs
Matched set of dual valve springs, all springs tested and selected to within 5% of spec or less
32
928MS 32vS2
Custom camshaft set, Intake lift duration .428/214 Exhaust .389/206
Set
Followers
Set of new hydraulic followers, $55 each
32
Timing Belt
HTD Timing belt – CUSTOMER WILL SUPPLY
Tensioner
Tensioner – CUSTOMER WIL SUPPLY
Tensioner arm
New bushings, bearings and rollers for the belt assembly
Set
Scraper and Tray
928MS crankshaft scraper system and windage tray. ALREADY PURCHASED – CUSTOMER WILL SHIP TO 928 MOTORSPORTS.
1
Stud Kit
Custom oil pan stud kit ALREADY PURCHASED – WILL SHIP TO 928 MOTORSPORTS]
1
Custom Gasket
Custom oil pan gasket for supercharged applications
1
Assembly
Assemble Short Block Engine
1
Used Porsche 928 5.0 liter engine block and heads for cores, including cam cores
1
Block boring
and sleeving
Bore 928 block and sleeve it with high-ductile T-Top iron sleeves to 4.125” bore.
1
Stroker Crankshaft
Steel 4340 alloy billet crankshaft. Shot-peened, magnafluxed, straightened and polished, with improved oiling passageways for a 6.5 liter engine
1
Crankshaft options -KE
Knife-edge the counterweights
1
Crankshaft options- RJL
Rod Journal lightening
1
Connecting rods
Custom 928MS connecting rods, manufactured from Timken 4340 alloy, 850 HP spec, high-strength rod bolt upgrade
8
Bearings
Matching bearings for the custom crank and connecting rods
Set
Pistons
Custom 928MS forged pistons, designed for SC use, ceramic-coated crowns and graphite-impregnated skirts. 8.5:1 CR
8
Piston Rings
Total Seal Piston rings to 928MS spec for this engine
Set
Head Studs
High-strength head studs to replace the stock head bolts
Set
Upper Engine Fasteners
New High-strength nuts for the Head studs
Set
Lower Engine fasteners
New High-strength nuts for the crankcase and bearing bosses
Set
Static Balancing
Pistons, wrist pins and rods weight-matched to .1 gram
1
Dynamic Balancing
Rotating assembly spin-balanced as an assembly
1
Ported Heads
Porting of the 32v heads for optimum flow. Includes surface milling, and seat milling for over-sized valve seats
Pair
Head Gaskets
4-LAYER steel head gaskets, custom bore dimension
Set
Gasket Set
Porsche Complete Engine Gasket set, less Head Gaskets
Set
Valve Job
Complete valve job, new valve seats for large-valve upgrade, seals, guides, and surface milling.
1
Valves – SS
928MS custom Stainless Steel valves, 39mm intakes with upgraded 7mm shafts, 33mm exhaust valves
32
Retainers
928MS custom bead-lok valve spring retainers, Titanium
32
Springs
Matched set of dual valve springs, all springs tested and selected to within 5% of spec or less
32
928MS 32vS2
Custom camshaft set, Intake lift duration .428/214 Exhaust .389/206
Set
Followers
Set of new hydraulic followers, $55 each
32
Timing Belt
HTD Timing belt – CUSTOMER WILL SUPPLY
Tensioner
Tensioner – CUSTOMER WIL SUPPLY
Tensioner arm
New bushings, bearings and rollers for the belt assembly
Set
Scraper and Tray
928MS crankshaft scraper system and windage tray. ALREADY PURCHASED – CUSTOMER WILL SHIP TO 928 MOTORSPORTS.
1
Stud Kit
Custom oil pan stud kit ALREADY PURCHASED – WILL SHIP TO 928 MOTORSPORTS]
1
Custom Gasket
Custom oil pan gasket for supercharged applications
1
Assembly
Assemble Short Block Engine
1
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#8
Nordschleife Master
#9
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This forum is a treasure trove of 928 info. I wouldn't have jumped into the hobby without this resource. Thanks to everyone who contributes in a positive way. That being said, there is a price to pay for hanging out here. The agonistic behavior and petty back-biting really does detract from the overall experience.
I just wish there was a way to avoid these threads just by reading the title!
I just wish there was a way to avoid these threads just by reading the title!
#10
Three Wheelin'
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How is it harassing 928MS?? It's publicly stating his bad experience with them. Come on, the money you spend to make a stroker is no joke. I think people should understand that with the known oiling problems of the 928 motor, increasing the stroke/bore will only make these worse, however, you payed for a motor that should run correctly, ALOT of money in fact.
#11
Rennlist Member
#12
Rennlist Member
#14
Nordschleife Master
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I gotta be brutally honest though.. definitely not shocked by the events that happened to him after the experience I had with this vendor!
At least the seller has some humor! lol
"928Motorsports built a similar engine for their own car they claim is the fastest 928 in the world. My 928 has been the slowest 928 in the world for the past two years it has spent in my garage trying to make this engine work."
#15
Administrator - "Tyson"
Lifetime Rennlist
Member
Lifetime Rennlist
Member
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discussed on here.
https://rennlist.com/forums/928-foru...cratch-16.html
https://rennlist.com/forums/928-foru...cratch-16.html