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Very interesting thread on the Poly engine. To cut to the chase, I always say that if you want more than 400-425 HP @ 5700RPM & 440-470TQ @ 3600RPM from the indigenous Poly in your Mopar then by all means go for the Big Block 440. The Torque is high & flat...about 400ft.lbs. at 2200rpm. You...
Poly 318 buildup
Moparaddict,
Good to hear you are building a Poly - good choice. I can help you with all your build options including HP&Torque estimates with various cam and induction modifications. I am about an hour and a half from you in Santee; we are close and the best shop is GRC...
Poly Intakes available
I have a cast iron Poly four barrel intake, tanked/cleaned/magged in perfect installable condition as well as a P600 three deuce and Weiand WPD4D aluminum dual quad intake and some High Performance Poly Camshafts suitable for stock 318 to Stroker Poly applications.
Let...
Poly parts are plentiful and many of the parts interchange with the LA 340/360 engines.
New cams are plentiful and the only integral link that must be acquired "used" is the intake manifold but there are plenty on E-bay every couple weeks or in swap meets.
Let me know if I can help you find...
Thank you 73RR for referring me to this great site!
The cast iron Poly dual quad intake will accept both the WCFB (not preferred because of the expense in rebuilding properly...) and the new AFB style Edelbrock carbs.
You can run two 500cfm vacuum Edelbrocks with a mild 264/.450"...