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Search: Posts Made By: 61Klassic
Forum: Early V8 (1932-53) Today, 12:15 PM
Replies: 16
Views: 330
Posted By 61Klassic
Re: 8BA valve seat grinding

I think I’ve sussed it. Just needed to go a bit deeper with the 30 degree first.
One final question, how far do your valves normally sit above the deck height once set?
Forum: Early V8 (1932-53) Today, 12:12 PM
Replies: 16
Views: 330
Posted By 61Klassic
Re: 8BA valve seat grinding

Good shout, I will check.
Forum: Early V8 (1932-53) Yesterday, 04:44 PM
Replies: 16
Views: 330
Posted By 61Klassic
Re: 8BA valve seat grinding

Hi all, thanks for the replies. As I stated in my original post, I understand that the valve isn’t perpendicular to the deck. I’m also using a cutting tool with a mandrel that fits in both the valve...
Forum: Early V8 (1932-53) Yesterday, 09:16 AM
Replies: 16
Views: 330
Posted By 61Klassic
8BA valve seat grinding

Hi. Iím in the process of grinding my valve seats to set the lash as I have non adjustable lifters. Due to the fact the valves arenít at 90 degrees to the deck, my cutting tool is creating a larger...
Forum: Early V8 (1932-53) 02-19-2020, 05:07 PM
Replies: 27
Views: 942
Posted By 61Klassic
Re: Centre exhaust port baffle or fourth port?

So the general consensus is to forget the fourth port out of the heat riser and go with some homemade we’ll fitting dividers/baffles.
Forum: Early V8 (1932-53) 02-19-2020, 02:33 PM
Replies: 27
Views: 942
Posted By 61Klassic
Re: Centre exhaust port baffle or fourth port?

The block will have full cooling system. Racing is everything from drag racing, to hill climbs and sprints to high speed time trials at Pendine.
Forum: Early V8 (1932-53) 02-19-2020, 01:15 PM
Replies: 27
Views: 942
Posted By 61Klassic
Re: Centre exhaust port baffle or fourth port?

Hi Tim.
I’ve got JWL’s book and like his divider. I’m just wondering which would be more beneficial, that or a fourth port.
Forum: Early V8 (1932-53) 02-19-2020, 01:13 PM
Replies: 27
Views: 942
Posted By 61Klassic
Re: Centre exhaust port baffle or fourth port?

Hi Ralph. If I was to do a fourth port I wouldn’t be dividing the centre into two. I’ll either fit a port divider/baffle OR a fourth port.
Forum: Early V8 (1932-53) 02-19-2020, 12:52 PM
Replies: 27
Views: 942
Posted By 61Klassic
Centre exhaust port baffle or fourth port?

Looking for the opinions of the knowledgeable chaps on here that may have done either.
I know you obviously can’t do both, but which would you choose to help squeeze the last few ponies out of your...
Forum: Early V8 (1932-53) 11-08-2019, 07:25 AM
Replies: 18
Views: 423
Posted By 61Klassic
Re: 8BA Valve length

Hi Gary. Sorry I didn’t read the end of the your post re pricing later.
Also thanks for the heads up on Ferrea valves
Forum: Early V8 (1932-53) 11-08-2019, 06:54 AM
Replies: 18
Views: 423
Posted By 61Klassic
Re: 8BA Valve length

Hi Gary. Those guides would certainly solve my problem on one bank but not on the other where I need 4.945” length valves.
How much are a set of those lifters Gary?
Thanks
Kev
Forum: Early V8 (1932-53) 11-08-2019, 04:47 AM
Replies: 18
Views: 423
Posted By 61Klassic
Re: 8BA Valve length

[QUOTE=GOSFAST;1818879]Hi Kev, you may want to figure out what you'll be doing for your installed spring hgts while your mocking that up??

Hi Gary. That's what I was trying to work out when I came...
Forum: Early V8 (1932-53) 11-08-2019, 04:43 AM
Replies: 18
Views: 423
Posted By 61Klassic
Re: 8BA Valve length

[QUOTE=Bored&Stroked;1818940]RE: "so not incorrectly done" . . . let me expand on that a bit . . .

Hi B&S, thanks for the reply.
I checked a stock 8BA block I had against mine and as you said...
Forum: Early V8 (1932-53) 11-07-2019, 06:00 PM
Replies: 18
Views: 423
Posted By 61Klassic
Re: 8BA Valve length

I’m off to sleep now in the UK
Please post your replies and I’ll catch up tomorrow.
Thanks
Kev
Forum: Early V8 (1932-53) 11-07-2019, 05:58 PM
Replies: 18
Views: 423
Posted By 61Klassic
Re: 8BA Valve length

Hello again, Iíve been chatting to you Re lifter radius via PM
Yes the valve seats have been cut for three angle and set so the valves are equal to the deck height on both banks, so not incorrectly...
Forum: Early V8 (1932-53) 11-07-2019, 05:34 PM
Replies: 18
Views: 423
Posted By 61Klassic
Re: 8BA Valve length

Hi Laurie, that’s what I thought I would need, 0.100” over valves. But on measuring one bank that works fine, the other bank requires 0.040” longer valves?
Forum: Early V8 (1932-53) 11-07-2019, 05:07 PM
Replies: 18
Views: 423
Posted By 61Klassic
8BA Valve length

Hi all.
Iíve just spent a few hours this evening mocking up some stock Chevy Manley 1.6 valves with my Potvin 425 cam. Iíll be using stock non adjustable lifters so was measuring to see what valve...
Forum: Early V8 (1932-53) 09-29-2019, 07:43 AM
Replies: 16
Views: 680
Posted By 61Klassic
Re: 8BA stock lifters

Thanks Tubman, Iíll drop him a pm
Forum: Early V8 (1932-53) 09-29-2019, 02:27 AM
Replies: 16
Views: 680
Posted By 61Klassic
8BA stock lifters

Iím on the lookout in the UK for a set of stock lightweight lifters for an 8BA.
As a back up plan, who makes/supplies good quality new ones?
Thanks
Kev
Forum: Early V8 (1932-53) 09-25-2019, 02:43 PM
Replies: 23
Views: 1,371
Posted By 61Klassic
Re: Potvin cam specs

Thatís what I was thinking, does anyone have the complete profile of the cam available?
Thanks
Kev
Forum: Early V8 (1932-53) 09-25-2019, 02:31 PM
Replies: 23
Views: 1,371
Posted By 61Klassic
Re: Potvin cam specs

Thanks Ronnie. Yes that’s exactly what I was after, gas mileage LOL.
Would I need any other info for the cam company?
Forum: Early V8 (1932-53) 09-25-2019, 01:50 PM
Replies: 23
Views: 1,371
Posted By 61Klassic
Potvin cam specs

Good afternoon all.
Iím in the UK and in the process of building up a 293Ē 8BA.
I have a good cam grinder over here and would like to have a 425 Eliminator ground. Does anyone have a complete...
Forum: Early V8 (1932-53) 09-24-2019, 12:24 PM
Replies: 18
Views: 1,015
Posted By 61Klassic
Re: 8BA Edelbrock head clearance

Hi Gary.
Thanks for the input. I have a buddy who’s an engineer and willing to make a radius cutter.
But from what your saying, only leaving .125 material in the head above the piston would be too...
Forum: Early V8 (1932-53) 09-24-2019, 09:15 AM
Replies: 18
Views: 1,015
Posted By 61Klassic
Re: 8BA Edelbrock head clearance

OK, so with the material in the head over the piston, has anyone tried using 4" pistons on a 4.125" crank and machining the head .125" and blending into the valve relief.
In theory this would allow...
Forum: Early V8 (1932-53) 09-24-2019, 01:05 AM
Replies: 18
Views: 1,015
Posted By 61Klassic
Re: 8BA Edelbrock head clearance

Thanks for the response Gary, a lot quicker than Edelbrock.
Good to know they use the same castings.
Showing results 1 to 25 of 28

 
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