The new Build
The new Build You guys know me well enough to know what I'm working with..
Well here it is back from the Machine Shop..they called me today and told me it was complete.
6.7l, 408ci LQ4 Ironblock..
I'm off all next week to build this thing, it'll be back on the road soon.
Well here it is back from the Machine Shop..they called me today and told me it was complete.
6.7l, 408ci LQ4 Ironblock..
I'm off all next week to build this thing, it'll be back on the road soon.
^^It was a 402ci..same build, this one is .030" over.
Here ya go..
GM LQ4 IRONBLOCK
EAGLE FORGED 4340 4.000 CRANK
EAGLE FORGED 4340 6.125 H-BEAM RODS
MAHLE FORGED ALUMINUM 4.030 12cc DISHED PISTONS
MOLY PISTON RINGS
GMPP L92 HEADS MILLED TO ~65cc CHAMBERS
COMP CAMS CUSTOM GRIND: 243/247, .621(XFI)/.612(X-ER), 114+3 LSA
LS7 HIGH RPM LIFTERS
CLEVITE 77 P-SERIES BEARINGS
GMPP L76 INTAKE MANIFOLD
LS2 FUEL RAILS, 34lb/hr INJECTORS
HOLLEY 90mm THROTTLE BODY
85mm MAF SENSOR
MELLING HIGH-VOLUME OIL PUMP
LS6 VALLEY COVER
PRC .660 LIFT VALVE SPRINGS
TITANIUM RETAINERS, CHROMEOLY KEEPERS
TSP 7.400 HARDENED PUSHRODS
COMETIC MLS HEAD GASKETS, .040", 4.085" BORE
LS2 TIMING SET
GRANETELLI LID
PACESETTER FULL RACING LONG TUBE HEADERS
LS1 K-MEMBER SWAP WITH POLYURETHANE MOTOR MOUNTS
FULLY TUNED AT 10.9:1 COMPRESSION
That's just the Engine..
Here ya go..
GM LQ4 IRONBLOCK
EAGLE FORGED 4340 4.000 CRANK
EAGLE FORGED 4340 6.125 H-BEAM RODS
MAHLE FORGED ALUMINUM 4.030 12cc DISHED PISTONS
MOLY PISTON RINGS
GMPP L92 HEADS MILLED TO ~65cc CHAMBERS
COMP CAMS CUSTOM GRIND: 243/247, .621(XFI)/.612(X-ER), 114+3 LSA
LS7 HIGH RPM LIFTERS
CLEVITE 77 P-SERIES BEARINGS
GMPP L76 INTAKE MANIFOLD
LS2 FUEL RAILS, 34lb/hr INJECTORS
HOLLEY 90mm THROTTLE BODY
85mm MAF SENSOR
MELLING HIGH-VOLUME OIL PUMP
LS6 VALLEY COVER
PRC .660 LIFT VALVE SPRINGS
TITANIUM RETAINERS, CHROMEOLY KEEPERS
TSP 7.400 HARDENED PUSHRODS
COMETIC MLS HEAD GASKETS, .040", 4.085" BORE
LS2 TIMING SET
GRANETELLI LID
PACESETTER FULL RACING LONG TUBE HEADERS
LS1 K-MEMBER SWAP WITH POLYURETHANE MOTOR MOUNTS
FULLY TUNED AT 10.9:1 COMPRESSION
That's just the Engine..
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Ya it's been balanced a couple of times..
With the 34#'s it was running about 90% Duty Cycle at WOT..I have a Walbro 255 in it. There is very little difference between this build and the previous one so the Tune was easy to adjust..we just fattened up the Fuel Curve a hair for the 6ci difference.
Ya it's been balanced a couple of times..
With the 34#'s it was running about 90% Duty Cycle at WOT..I have a Walbro 255 in it. There is very little difference between this build and the previous one so the Tune was easy to adjust..we just fattened up the Fuel Curve a hair for the 6ci difference.
Yea I'll be puttin around a couple of days with Open Headers and about 16" of 3" Pipe off of the Collectors..I'll have to drive through scarewood with that setup to the Exhaust Shop..lol
Post pics of yours Chris when you get it back today.
Post pics of yours Chris when you get it back today.
