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05-06-2009, 04:48 PM
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#1 |
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CF Veteran
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Stroker's
This is all the info I have gathered about 4.0L stroker's with Part #'s and power #'s from people that have them. This really is not a write-up but the info here is very help full and can be easily found by all who want to know about doing this to there 4.0L.
4.6L Low-buck, low CR "rockcrawler" Jeep 4.2L 3.895" stroke crank Jeep 4.2L 5.875" rods Silvolite UEM-2229 +0.030" bore pistons Increase piston dish volume to 30cc 8.75:1 CR Crane #750501 192/204 degree camshaft Ported HO 1.91"/1.50" cylinder head Mill block deck 0.035" Mopar/Victor 0.043" head gasket 0.058" quench height Ford 24lb/hr injectors with stock 39psi FPR for '87-'95 engines, stock injectors with stock 49psi FPR for '96 and later engines 234hp @ 4500rpm, 311lbft @ 3300rpm 4.5L "Poor man's" simple stroker Jeep 4.2L 3.895" stroke crank Jeep 4.2L 5.875" rods Sealed Power 677CP standard bore pistons 9.2:1 CR Stock 4.0 camshaft Ported HO 1.91"/1.50" cylinder head Mopar/Victor 0.043" head gasket 0.088" quench height Ford 24lb/hr injectors with stock 39psi FPR for '87-'95 engines, stock injectors with stock 49psi FPR for '96 and later engines 247hp @ 4900rpm, 300lbft @ 3500rpm 4.5L Low-buck simple stroker Jeep 4.2L 3.895" stroke crank Jeep 4.2L 5.875" rods Jeep 4.0L 3.875" standard bore pistons 9.7:1 CR CompCams #68-231-4 206/214 degree camshaft Ported HO 1.91"/1.50" cylinder head Stock 0.051" head gasket 0.081" quench height Ford 24lb/hr injectors with adjustable FPR or MAP adjuster for '87-'95 engines, Ford 24lb/hr injectors with stock 49psi FPR for '96 and later engines 266hp @ 4950rpm, 322lbft @ 3500rpm 4.6L Low-buck stroker Option 1: Same as above except: Speed Pro H825CP +0.030" bore pistons 9.6:1 CR Mopar/Victor 0.043" head gasket 0.081" quench height* 265hp @ 4900rpm, 325lbft @ 3500rpm Option 2: Same as "rockcrawler" except: Piston dish volume 22cc 9.5:1 CR Crane #753905 204/216 degree camshaft Ford 24lb/hr injectors with adjustable FPR or MAP adjuster for '87-'95 engines, Ford 24lb/hr injectors with stock 49psi FPR for '96 and later engines 262hp @ 4800rpm, 325lbft @ 3500rpm 4.7L medium-buck stroker Jeep 4.2L 3.895" stroke crank Jeep 4.0L 6.125" rods Keith-Black Silvolite UEM-KB944 +0.060" bore forged pistons 9.5:1 CR Crane #753905 204/216 degree camshaft Ported big valve 2.02"/1.60" cylinder head Mill block deck 0.020" Mopar/Victor 0.043" head gasket 0.051" quench height Flometrics F&B 68mm billet TB Accel 26lb/hr injectors with adjustable FPR or MAP adjuster for '87-'95 engines, Accel 26lb/hr injectors with stock 49psi FPR for '96 and later engines. 269hp @ 4800rpm, 334lbft @ 3400rpm 4.8L medium-buck stroker Option 1: Same as above except: Custom 4.0" bore pistons with 1.38" pin height & 23cc dish 10.0:1 CR CompCams #68-235-4 210/218 degree camshaft 284hp @ 4900rpm, 345lbft @ 3600rpm Option 2: Same as Option 1 except: Jeep 4.2L 5.875" rods bushed for 0.912" floating pin Small Block Ford UEM-KB364 hypereutectic pistons Mill block deck 0.017" 0.051" quench height 4.9L high-buck stroker 3.98" offset-ground stroker crank Jeep 4.2L 5.875" rods Small Block Chevy UEM-KB142 hypereutectic pistons 10.5:1 CR Crane #753941 216/228 degree camshaft Ported big valve 2.02"/1.60" cylinder head Mill block deck 0.017" Mopar/Victor 0.043" head gasket 0.053" quench height Flometrics F&B 68mm billet TB 3.0" exhaust system Ford 30lb/hr injectors with adjustable FPR or MAP adjuster for '87-'95 engines, Ford 30lb/hr injectors with stock 49psi FPR for '96 and later engines. Custom PCM programming 300hp @ 5000rpm, 354lbft @ 3700rpm 5.0L Very high-buck stroker 4.06" offset-ground stroker crank Jeep 4.2L 5.875" rods Small Block Chevy UEM-KB142 hypereutectic pistons 11.1:1 CR Crane #751111 238/248 degree solid lifter cam Ported big valve 2.02"/1.60" cylinder head OEM 0.051" head gasket 0.038" quench height Flometrics F&B 68mm billet TB 3.0" exhaust system Ford 30lb/hr injectors with adjustable FPR or MAP adjuster Custom PCM programming 328hp @ 5250rpm, 375lbft @ 3800rpm
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