All specs shown below have been pulled from a 98 Camaro service manual. L67 details will be checked and added later.
Application | Specifications |
metric | english |
Engine Type | 90* V6 |
displacement | 231 cubic inches |
liters | 3.8 L |
RPO | L36 |
Bore | 96.52 mm | 3.8 in. |
Stroke | 86.36 mm | 3.4 in. |
Compression Ratio | 9.4:1 |
Firing Order | 1-6-5-4-3-2 |
Application | Specifications |
metric | english |
oil capacity with oil filter change | 4.25 L | 4.5 qt |
oil capacity without oil filter change | 3.75 L | 4 qt |
oil pressure @ operating temperature (1850 RPM) with 10w-30 oil | 414 kPa | 60 psi min |
oil filter type | throw away element and can |
gear pocket depth | 11.71-11.75 mm | 0.461-0.4625 in. |
gear pocket diameter | 89.10-89.20 mm | 3.508-3.512 in. |
inner gear tip clearance | 0.152 mm | 0.006 in |
outer gear diameter clearance | 0.203-0.381 mm | 0.008-0.015 in. |
end clearance | 0.025-0.089 mm | 0.001-0.0035 in. |
valve-to-bore clearance | 0.038-0.076 mm | 0.0015-0.003 in. |
lubrication type | | |
main bearings | pressure |
connecting rods | pressure |
piston pins | splash |
balance shaft bearing - front | splash |
balance shaft bearing - rear | pressure |
camshaft bearings | pressure |
timing chain | splash |
cylinder walls | splash |
oil pump type | gerotor |
oil pressure sending uint | electrical |
oil intake | stationary |
oil filter system | full flow |
Application | Specifications |
metric | english |
cylinder bore diameter | 96.5 mm | 3.8 in. |
cylinder bore out-of-round maximum | 0.0254 mm | 0.0010 in |
cylinder bore taper | 0.0254 mm | 0.0010 in |
Application | Specifications |
metric | english |
piston clearance (39mm from top of piston) | 0.010-0.051mm | 0.0004-0.0020 in. |
piston ring groove depth - top compression | 4.019-4.146 mm | 0.1580-0.1630 in. |
piston ring groove depth - 2nd compression | 4.214-4.341 mm | 0.0166-0.1710 in. |
piston ring groove depth - oil control | 3.814-3.941 mm | 0.1500-0.1550 in. |
piston ring end gap - top compression | 0.305-0.559 mm | 0.0120-0.0220 in. |
piston ring end gap - 2nd compression | 0.762-1.016 mm | 0.0300-0.0400 in. |
piston ring end gap - oil control | 0.254-0.762 mm | 0.0100-0.0300 in. |
piston ring side clearance - top compression | 0.033-0.079 mm | 0.0013-0.0031 in. |
piston ring side clearance - 2nd compression | 0.033-0.079 mm | 0.0013-0.0031 in. |
piston ring side clearance - oil control | 0.023-0.201 mm | 0.0009-0.0079 in. |
piston ring width - top compression | 1.176-1.197 mm | 0.0463-0.0471 in. |
piston ring width - 2nd compression | 1.476-1.497 mm | 0.0581-0.0589 in. |
piston ring width - oil control | 1.854-2.007 mm | 0.0730-0.0790 in. |
piston pin diameter | 21.9950-22.0000 mm | 0.8659-0.8661 in. |
piston pin clearance in piston | 0.0020-0.0130 mm | 0.00008-0.00051 in. |
piston pin fit-in-rod (clearance) | 0.0066-0.0217 mm | 0.0003-0.0009 in. |
Application | Specifications |
metric | english |
crankshaft - main journal diameter - all | 63.470-63.495 mm | 2.4988-2.4998 in. |
crankshaft - rod journal diameter - all | 57.1170-57.1475 mm | 2.2487-2.2499 in. |
crankshaft - main journal taper - maximum | 0.0076 mm | 0.0003 in. |
crankshaft - rod journal taper - maximum | 0.0076 mm | 0.0003 in. |
crankshaft - main journal out-of-round - maximum | 0.0076 mm | 0.0003 in. |
crankshaft - rod journal out-of-round - maximum | 0.0076 mm | 0.0003 in. |
crankshaft - main bearing to journal clearance 1 | 0.0178-0.0406 mm | 0.0007-0.0016 in. |
crankshaft - main bearing to journal clearance 2 and 3 | 0.0254-0.0580 mm | 0.0010-0.0020 in. |
crankshaft - main bearing to journal clearance 4 | 0.0229-0.0457 mm | 0.0009-0.0018 in. |
crankshaft - rod bearing clearance | 0.0127-0.0660 mm | 0.0005-0.0026 in. |
crankshaft - end play | 0.076-0.276 mm | 0.0030-0.0110 in. |
Application | Specifications |
metric | english |
connecting rod - rod side clearance | 0.102-0.508 mm | 0.0040-0.0200 in. |
connecting rod - connecting rod large end bore ID | 60.295-60.312 mm | 2.37378-2.3745 in. |
Application | Specifications |
metric | english |
camshaft - journal diameter | 47.655-46.858 mm | 1.8462-1.8448 in. |
camshaft - bearing inside diameter 1 and 4 | 46.970-46.934 mm | 1.8428-1.8492 in. |
camshaft - bearing inside diameter 2 and 3 | 46.977-46.942 mm | 1.8481-1.8495 in. |
camshaft - bearing to journal clearance | 0.041-0.119 mm | 0.0016-0.0047 in. |
camshaft - intake maximum lobe lift | 6.55 mm | 0.258 in. |
camshaft - exhaust maxiumum lobe lift | 6.48 mm | 0.255 in. |
Application | Specifications |
metric | english |
balance shaft - end play | 0.0-0.171 mm | 0.0000-0.0067 in. |
balance shaft - rear journal diameter | 38.085-38.105 mm | 1.4994-1.5002 in. |
balance shaft - radial play-front bearing clearance | 0.0-0.026mm | 0.0000-0.0010 in. |
balance shaft - rear bearing to journal clearance | 0.0127-0.109 mm | 0.0005-0.0043 in. |
balance shaft - drive gear lash | 0.050-0.125 mm | 0.0020-0.0049 in. |
balance shaft - bearing bore diameter - front | 51.973-51.999 mm | 2.0462-2.0472 in. |
balance shaft - bearing bore diameter - rear, in block | 47.584-47.612 mm | 1.8735-1.8745 in. |
balance shaft - bearing inside diameter - rear | 38.118-38.194 mm | 1.5007-1.5037 in. |
Application | Specifications |
metric | english |
lifter | hydraulic |
rocker arm ratio | 1.6:1 |
face angle | 45* |
seat angle | 45* |
minimum margin | 0.635 mm | 0.025 in. |
seat runout - maximum | 0.050 mm | 0.002 in. |
seat width - intake | 1.53-2.03 mm | 0.060-0.080 in. |
seat width - exhaust | 2.29-2.79 mm | 0.090-0.110 in. |
stem height - all | 49.15-50.17 mm | 1.935-1.975 in. |
stem clearance - all | 0.038-0.089 mm | 0.0015-0.0032 in. |
Application | Specifications |
metric | english |
valve spring - free length | 499.78 mm | 1.960 in. |
valve spring - load - closed | 334 N @ 43.69 mm | 75 lb @ 1.72 in. |
valve spring - load - open | 1014 N @ 32.4 mm | 228 lb @ 1.277 in. |
valve spring - installed height | 42.93-44.45 mm | 1.690-1.720 in. |
valve spring - number of active coils | 4.48 |
valve spring - number of total coils | 6.6 |
Application | Specifications |
metric | english |
flywheel - runout - maximum | 0.38 mm | 0.015 in. |