flow bench & porting links you might use

[grumpyvette]

flow bench & porting links you might use

 

 

http://www.chevyhiperformance.com/techarticles/95518/

 

http://www.chevyhiperformance.com/techarticles/41598/

 

http://www.rollingthunderz.com/rfs_formulas_intake.shtml

 

http://www.4cycle.com/karting/html/flow_bench.html

 

http://www.watermanracing.com/flow_bench.htm

 

http://www.pontiacpower.com/FlowBench.htm

 

http://www.performancetrends.com/pfa.htm

 

http://www.performancetrends.com/ez_flow_system.htm

 

http://www.maxracesoftware.com/flow_bench_pictures.htm

 

http://www.aces.edu/~gparmer/articles/flowbench/

 

http://www.chevyhiperformance.com/techarticles/95518/

 

http://www.sa-motorsports.com/diyport.shtm

 

http://www.ws6transam.org/ported.html

 

http://victorylibrary.com/mopar/bench.htm

 

http://www.tractorsport.com/cgi-bin/foru...4c78;act=SF;f=1

 

 

1) open throat to 85%-90% of valve size

(2)cut a 4 angle seat with 45 degree angle .065-.075 wide where the valve seats and about .100 at 60 degrees below and a .030 wide 30 degree cut above and a 20 degree cut above that rolled and blended into the combustion chamber

(3)blend the spark plug boss slightly and lay back the combustion chamber walls near the valves

(4)narrow but dont shorten the valve guide

(5) open and straiten and blend the upper two port corner edges along the port roof

(6) gasket match to/with intake and raise the port roof slightly

(7) back cut valves at 30 degrees

(8) polish valve face and round outer edges slightly

(9)polish combustion chamber surface and blend edges slightly

(10) remove and smooth away all casting flash , keep the floor of the port slightly rough but the roof and walls smoothed but not polished.

(11) use a head gasket to see the max you can open the combustion chamber walls

(12) blend but don,t grind away the short side radias

 

 

http://www.ws6transam.org/ported.html

 

http://www.sa-motorsports.com/diyport.shtm

 

http://www.eecis.udel.edu/~davis/z28/buildup/plenum/

 

http://www.babcox.com/editorial/us/us110128.htm

 

http://www.diyporting.com/Shrouding.html

 

http://www.babcox.com/editorial/ar/eb120121.htm

[bradz240]

Great links grumpy! Thanks for all the info you have been providing.

 

Bradz240

[Guest zfan]

Grumpy,

 

Once again thanks for the great info.

 

Mike