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Thread: Starting 489 cid stroker project
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12-09-2005 #1
Registered User
- Join Date
- Oct 2004
- Location
- Papillion, NE
- Posts
- 203
Starting 489 cid stroker project
I have decided to build a stroker instead of a crazy 7000 rpm finicky beast, something thats more mellow to drive but more power and a flatter curve. The idea is 575 horsepower but no more than 5500 rpm and more mellow in traffic.
Here's the build, should be fun!
- 4.25 stroke / 4.277 bore for 488 cid
- 21 cc reverse dome Diamond pistons for 10.5:1, .005 in the hole, .046 total quench distance
- H beam rods, 6.7 inches long
- Cam custom grind Intake 282 adv/240 @ .050/.605 lift, Exhaust 294 adv/244 @ .050/.615 lift, 110 LSA, on a 106 Intake C/L, 1.76 rockers
- Edelbrock RPM intake, ported
- Edelbrock RPM heads Keith Craft ported, then additional clean up locally, 2.15 intake, 1.67 exhaust, true 72cc chamber, max flow at .600 is 314 cfm intake, 220 exhaust
- 1000 cfm HP series vacuum secondary carb
- 34 inch coated Hooker headers, 1 7/8 primary, 3.5 inch collectors
- Full exhaust to bumper 3 inch with H-pipe 3 chamber Flowmasters
- TKO-600 5 speed, 2.87 1st gear, .68 OD
- 3.70's / 27 inch tall tire
Pics to come as it evolves, all it is is a bruise on the credit card until the parts show up! Replacing my standard stroke 427 in this:




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