valve job to port blend.

Scott · Post by **Scott** » Mon May 09, 2005 2:37 am

Hi, new here, I have just received my aluminium 23 deg aluminium Chevy heads back from having a 4 angle valve job done on them and there is a large step where the valve job bottom cut meets the rest of the port, this obviously needs blending into the rest of the port, but I don’t want to ruin a new set of heads.
2.02" and 1.600" valves.
Can someone give me any tips or tricks? And what to watch out for?
Should I blend the step entirely away ?
Should I blend right up to the 45deg seat ?
I have access to a flowbench if required, but want to do these myself.
Thanks
Scott.

cboggs · Post by **cboggs** » Mon May 09, 2005 12:01 pm

Scott,

A few more details, .. are they ported? if so by who?
CnC?

Ok, .. if you can post a close up digital photo that would be the best
way for folks here to see what you have, and make recommendations.

There's a few options, .. I often don't blend the bottom angle
on my ported heads, but my VJ & porting is designed for that.
I like sharp edges under my intake valve jobs, .. while others
tend to blend the very bottom angle into the port.

The "safe" thing to do would likely be to blend the very bottom angle
into the port, .. and leave the other angles sharp.
You want to BLEND the bottom angle, .. not take it out, ..

Hope this helps, ..

Curtis

Scott · Post by **Scott** » Mon May 09, 2005 5:57 pm

"ANYONE" I need some help with placing photo's on this site

Thanks , Scott

blak golf · Post by **blak golf** » Mon May 09, 2005 6:25 pm

if u want i can host it on my photobucket account, send the pics by email at blakgolf@gmail.com

cboggs · Post by **cboggs** » Mon May 09, 2005 8:56 pm

Yea Scott,

if you like I can host them on my server too, ..

e-mail - info@raceflowdevelopment.com

to post photos you have to have them on a web server then
place a link to the image with the Img tag.

( [img] image link [img/]

Curtis

shawn · Post by **shawn** » Mon May 09, 2005 10:29 pm

hey curtis,
off subject, but can you host a spreedsheet too? i made a simple little cheat sheet for port area's rpms, etc., that i would love to share with the people here.
shawn

cboggs · Post by **cboggs** » Mon May 09, 2005 11:24 pm

Shawn,

Yea I have server space, .. I'd be glad to host your spread sheet, ..
e-mail it over and I'll put it up.

info@raceflowdevelopment.com

or curtis@cboggs.com

Curtis