WebDec 18, 2014 · Port matching isn’t the same as porting a cylinder head or an intake manifold runner, which is a job that shouldn’t be taken lightly. That sort of porting requires additional research with regard to the available material in the castings you are working with, as well as an understanding of airflow and fluid dynamics. WebJan 20, 2024 · To match port on the exhaust side, use an exhaust manifold gasket as a template. Once done on the head, you can check the exhaust manifold and make sure it’s going to match the head. It’s OK for flow if the port running is smaller in diameter than the exhaust manifold but not vice versa. You can grind the flat spot on the floor of the ...
Manifold O
WebNov 16, 2024 · Port matching can be done on most castings; some are close at the top of the gasket. Here is the hard thing to deal with on the 318 head of 1969: The exhaust valves will be sunk within a couple years because the seats … WebDec 17, 2024 · The 289 Hi-Po's exhaust manifolds are a cast-iron shorty header, which offers better exhaust scavenging than the standard vanilla 289/302 exhaust manifolds. … cannabis trocknen fermentieren
Head Porting: DIY or Not? - Diesel World
WebFrom: Duluth, Ga. Registered: Feb 2004. posted 03-06-2004 10:46 PM. I am working on replacing my old had it 289 with a new 302GT40. For airflow I was going to purchase the 289 HiPo Exhaust manifolds. Looking at the Mustangs Unlimited catalog it states "Clutch linkage modification necessary if used on 65-73 non HiPo cars." A couple of questions: Web1963 1964 FORD FAIRLANE 289 H/P HI PO CAST IRON EXHAUST MANIFOLDS C3OE 9430 9431 Pre-Owned $895.00 munson6566 (3,448) 100% Buy It Now +$26.14 shipping 16 watchers Sponsored EMB-C3OE-556 Scott Drake Exhaust Manifold Bolts (289 HiPo) Brand New $28.65 holleyperformance (61,646) 99.6% Buy It Now +$7.50 shipping Sponsored http://mmb.maverick.to/threads/gt40p-headers.6561/ cannabis trocknen