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Search: Posts Made By: 61Klassic
Forum: Early V8 (1932-53) 02-24-2021, 04:13 PM
Replies: 9
Views: 649
Posted By 61Klassic
Re: Cold air plenum for carbs

No other opinions? I hope some old time lakes racers, Pete etc would have something to say?
Forum: Early V8 (1932-53) 02-24-2021, 01:16 PM
Replies: 9
Views: 649
Posted By 61Klassic
Re: Cold air plenum for carbs

Thanks Ronnie. I didn’t know if 97’s like having air pushed through them, some carbs don’t.
I know there is a possibility of running lean, but with a flatty running out of air high up the Rev...
Forum: Early V8 (1932-53) 02-23-2021, 04:11 PM
Replies: 9
Views: 649
Posted By 61Klassic
Re: Cold air plenum for carbs

Thanks 🙄🙂 Not an option at the moment as I run normally aspirated in my class over here in the UK
Forum: Early V8 (1932-53) 02-23-2021, 03:35 PM
Replies: 9
Views: 649
Posted By 61Klassic
Cold air plenum for carbs

Hi everyone.
I have a model A roadster with a full hood, running a healthy 293Ē flathead underneath with 3 97ís on a straight linkage.
The under hood temp can really get hot, surely sucking all...
Forum: Early V8 (1932-53) 10-08-2020, 03:43 PM
Replies: 22
Views: 2,571
Posted By 61Klassic
Re: 8BA Edelbrock head clearance

Just bringing up an old thread of mine. Ended up borrowing a few heads. None of the off the shelf heads fitted with my .430” lift cam and 1.72” valves. Ended up getting a pair of MCF heads from...
Forum: Early V8 (1932-53) 04-09-2020, 12:15 PM
Replies: 19
Views: 1,442
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) 04-09-2020, 12:12 PM
Replies: 19
Views: 1,442
Posted By 61Klassic
Re: 8BA valve seat grinding

Good shout, I will check.
Forum: Early V8 (1932-53) 04-08-2020, 04:44 PM
Replies: 19
Views: 1,442
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) 04-08-2020, 09:16 AM
Replies: 19
Views: 1,442
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: 2,022
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: 2,022
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: 2,022
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: 2,022
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: 2,022
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: 1,573
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: 1,573
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: 1,573
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: 1,573
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: 1,573
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: 1,573
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: 1,573
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: 1,573
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: 1,313
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: 1,313
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: 2,657
Posted By 61Klassic
Re: Potvin cam specs

Thatís what I was thinking, does anyone have the complete profile of the cam available?
Thanks
Kev
Showing results 1 to 25 of 33

 
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