Subscribe to Precision Engine
Sign up for our E-newsletterROCKER COVERS AND COIL BRACKETS Instead of using a pair of boring OE rocker covers, we opted for a pair of Moroso welded aluminum cuties. These beautifully tig-welded covers accept the OE type formed gasket seal (each cover features a CNCed groove on the mating surface). Each cover is secured to the head using OE-type [...]
Tag: ENGINE ASSEMBLY
PROJECT LS2, PART 4 (A)
Posted By Mike Mavrigian,
June 3, 2009 ·
No Comments »
PROJECT LS2, PART 4 This has proven to be a fairly easy build. The LS series-both Gen III and IV-shows definite promise. by Mike Mavrigian all photos by author Our LS is now ready for induction and ignition.At this point, our LS2 is a complete longblock. Here, we’ll cover a number of subjects leading up [...]
VINTAGE BUILD: FORD FE SIDE OILER
Posted By Mike Mavrigian,
June 3, 2009 ·
No Comments »
WE BUILD A VINTAGE FE USING PERFORMANCE AFTERMARKET HEADS, INTAKE, ETC. by Mike Mavrigian all photos by author The “old” Ford 427 FE side oiler has regained its popularity among both racers and street rod/custom car builders, especially for Cobra replica builders. This blast from the past is back with a vengeance.The Ford 427 “side [...]
PROJECT LS2, PART 3 (F)
Posted By Mike Mavrigian,
June 3, 2009 ·
No Comments »
All head studs were installed finger-tight. Our taller-than-OE Crane roller lifters required the use of spacer washers between the block and lifter buckets. The oiled roller lifters are inserted into the OE plastic lifter buckets. These register flat-to-flat, orienting the lifters properly for roller bearing operation at the lobes. With all four lifters snapped into [...]
PROJECT LS2, PART 3 (E)
Posted By Mike Mavrigian,
June 3, 2009 ·
No Comments »
Our JE forged pistons included wire locks for floating pin securing. The wire locks are installed by working your way around the lock with a small screwdriver. A nice option for wire lock installation is Lockintool’s W-927 installation tool. It takes some getting used to but, once you develop the knack, it’s a real time [...]
PROJECT LS2, PART 3 (D)
Posted By Mike Mavrigian,
June 3, 2009 ·
No Comments »
I opted to install the crank gear at the zero timing mark, but this gear allows adjustment +/- 4 degrees. Our timing chain setup installed. With No. 1 rod pin at TDC, the timing dot on the cam gear is at 6 o’clock, and the ) mark on the crank gear is at 12 o’clock. [...]
PROJECT LS2, PART 3 (C)
Posted By Mike Mavrigian,
June 2, 2009 ·
No Comments »
Goodson reluctor ring installer jig is an absolute must for installing LS crank timing wheels. The Goodson tool indexes the ring via the 8mm hole in the ring face. The 8mm dowel is pictured here. It’s attached to a tang on the outside of the tool. An internal dowel in the tool engages into the [...]
PROJECT LS2, PART 3 (B)
Posted By Mike Mavrigian,
June 2, 2009 ·
No Comments »
PISTON/ROD INSTALLATION With the cylinder bores wiped clean with a lint-free towel, apply a light coat of engine oil to the walls. After making sure that the connecting rod and cap saddles are clean and dry, install the rod bearings to the rod and cap and coat the exposed bearing surfaces with oil (I used [...]
PROJECT LS2, PART 3 (A)
Posted By Mike Mavrigian,
June 2, 2009 ·
No Comments »
PROJECT LS2, PART 3 Assembly of the short block and cylinder head installation by Mike Mavrigian All photos by author INSTALLING THE RELUCTOR WHEEL The reluctor wheel features a series of teeth that provide crankshaft position signals via a sensor to the ECM. The wheel press fits to the rear of the crank, immediately forward [...]
PROJECT LS2, PART 1 (1C)
Posted By Mike Mavrigian,
June 1, 2009 ·
No Comments »
While measuring our lifter bore diameters, they seem a bit on the tight side, so we’ll likely hone to size, but will wait until we have our lifters in hand to accurately determine lifter oil clearance. The LS blocks feature lifter bore locations that are recessed in these deep pocket areas. The OE plastic lifter [...]