Lingenfelter LSA, LS9, LS3, & L92 Cylinder Head Dowel Pin Locator Tool PN: L950075307 Revision - 1.0 Lingenfelter Performance Engineering 1557 Winchester Road Decatur, IN 46733 (260) 724-2552 (260) 724-8761 fax www.lingenfelter.
Parts List Lingenfelter LSA, LS9, LS3, & L92 Cylinder Head Dowel Pin Locator Tool # 1 2 2 2 1 1 4 1 • • • • Part number XX03952-0018 8486A49 47539-2 47393 8854A23 57485K68 N/A L920010000 3/8” drill masking tape 5mm Allen key (or equivalent) 2.5mm Allen key (or equivalent) Description Dowel pin drill fixture Drill bushing M6x1.0x70 SHCS M6 washer 10mmx3/x1.
For LS3 and L92 Cylinder Heads 1. Using masking tape, tape off the intake ports to ensure that no debris is able to enter the engine. 2. Using a 2.5mm Allen key, install the supplied 10mm inner diameter set collar (57485K68) onto the supplied end mill (PN: 8854A23). The distance from the tip of the tool to the bottom of the set collar should be 35.5mm (1.4 inches). Insert the end mill assembly into an electric drill. 3.
5. Insert the end mill into the drilling fixture bushing labeled as “A”. 6. Drill the new dowel hole until the bottom of the set collar contacts the top of the drilling fixture. 7. Repeat steps 3-6 for the other cylinder head. 8. Throughly remove all drilling debris from the valley tray and cylinder heads 9. Remove the tape from the cylinder head ports. Relocation of the LS3/L92 cylinder head dowel pins is now complete. Page 3.
For LSA and LS9 Cylinder Heads 1. Using masking tape, tape off the intake ports to ensure that no debris is able to enter the engine. 2. Using a 2.5mm Allen key, install the supplied 10mm inner diameter set collar (57485K68) onto the supplied end mill (PN: 8854A23). The distance from the tip of the tool to the bottom of the set collar should be 35.5mm (1.4 inches). Insert the end mill assembly into an electric drill. 3.
5. Insert the end mill into the drilling fixture bushing labeled as “B”. 6. Drill the new dowel hole until the bottom of the set collar contacts the top of the drilling fixture. 7. Repeat steps 3-6 for the other cylinder head. 8. Throughly remove all drilling debris from the valley tray and cylinder heads 9. Remove the tape from the cylinder head ports. Relocation of the LSA/LS9 cylinder head dowel pins is now complete. Page 5.
For additional product installation information and technical support, contact LPE or your LPE products distributor. You can also find technical support and usage discussions regarding this product and many other LPE products in our Internet forums: http://www.lingenfelter.com/LPEforumfiles Lingenfelter Performance Engineering 1557 Winchester Road Decatur, IN 46733 (260) 724-2552 (260) 724-8761 fax www.lingenfelter.com L950075307 LSA, LS9, LS3, L92 cylinder head dowel pin locator tool v1.0.indd Page 6.
