I bought a Hemi - Project Lit'lphant
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10-25-2019, 10:30 PM
Post: #35
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RE: I bought a Hemi - Project Lit'lphant
oldeskewltoy Wrote:on the intake side... I've not yet mentioned the exhaust side... This has to do with a few possible options open to me. As you can see, the exhaust side exhaust valve could be larger(original is 34mm).... the seat is even large enough to accommodate a bigger valve. A bigger valve is EASILY available, the Toyota 2/3TC engines use a nearly identical exhaust valve(length, stem, keeper groove) except the diameter is 36mm! And if you look back to the castings, the exhaust port appears to be able to support a larger valve..... So... that pretty much leads me to where I am right now... Getting the flowbench prepared to run the hemi heads. The thought is to test the current valve and see if we are above/below a flow ratio of 65% of the intake flow is the exhaust flow. Above 65%, leave it alone, run a 34mm valve, with a fresh valve job. Below 65%, and have the valve seat machined to accept the 36mm valve. To run the head, I need another one off tool.... a "new" valve actuator... a friend will need to weld that nut(plus another) to the metal bar more to come........ Dan - You can | .... OR you can ask for help!!! OST Porting service - http://hachiroku.net/forums/showthread.php?t=19991 |
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