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by frnkeore
Thu Aug 11, 2022 2:25 pm
Forum: Engine Tech
Topic: Longevity of flat plane crank engine?
Replies: 19
Views: 812

Re: Longevity of flat plane crank engine?

I'd have to look it up but, the mains and rods were about 2.375 x 2.0 and the stroke was 2.84.
How much run-time did those engines typically receive before the crank was replaced?
In my research, it wasn't stated.
viewtopic.php?f=84&t=64288
by frnkeore
Thu Aug 11, 2022 2:02 pm
Forum: Engine Tech
Topic: Longevity of flat plane crank engine?
Replies: 19
Views: 812

Re: Longevity of flat plane crank engine?

A successful 180°, V8 engine, was designed over 80 years ago, the Novi. It ran at Indy, for 23 years, with only three engine related failures. Magneto, one broken crank and one piston. Excellent record, I would say. It was a 181 CID engine, three main bearings, with a large centrifugal, crank drive...
by frnkeore
Thu Aug 04, 2022 2:31 pm
Forum: Engine Tech
Topic: Longevity of flat plane crank engine?
Replies: 19
Views: 812

Re: Longevity of flat plane crank engine?

A successful 180°, V8 engine, was designed over 80 years ago, the Novi. It ran at Indy, for 23 years, with only three engine related failures. Magneto, one broken crank and one piston. Excellent record, I would say. It was a 181 CID engine, three main bearings, with a large centrifugal, crank driven...
by frnkeore
Fri Jul 22, 2022 7:22 pm
Forum: Engine Tech
Topic: Octane additive
Replies: 49
Views: 1797

Re: Octane additive

Back to the additive question...........

Toluene seems to be the cheapest, safest most commonly available additive. It is a common paint thinner, found in all paint and hardware stores. Are there any formulas for the amount that it takes to increase the octane number?
by frnkeore
Fri Jun 10, 2022 7:06 pm
Forum: Engine Tech
Topic: Dumb history question for the carb guys
Replies: 77
Views: 10356

Re: Dumb history question for the carb guys

I'm not positive of the date but, it was either late '68 or early '69. I bought a MT Cross Ram manifold for my 427 FE. The manifold was used but, I bought a pair of 3310's new for it @ $35 each. It seemed that the market was flush, with 3310's at that time. In today's money, it would be $265, the ma...
by frnkeore
Sat Jun 04, 2022 3:04 pm
Forum: Engine Tech
Topic: Most aerodynamic Muscle Cars?
Replies: 39
Views: 1989

Re: Most aerodynamic Muscle Cars?

bobmc wrote: Fri Jun 03, 2022 5:33 pm 71 mustang looks the slickest to me
I would agree but, for the FLAT front end!
by frnkeore
Sun May 29, 2022 3:09 am
Forum: Vintage/Classic/Historical Engine Tech
Topic: My next debate: origins of the canted valve Ford cylinder head.
Replies: 68
Views: 8697

Re: My next debate: origins of the canted valve Ford cylinder head.

Ford seemed to go all out on the cam side of the valve train, Besides the "Rev Kit" they kept lightening the lifter. What interested me, was the .06 lifter offset and the 150" radius of the mushroom lifter, using a 3' (.05°) taper on the lobe. Apparently for a vibration issue. I'd be interested in w...
by frnkeore
Fri May 27, 2022 1:28 pm
Forum: Show & Tell
Topic: Show us your Race Car(s)
Replies: 128
Views: 82109

Re: Show us your Race Car(s)

Thank you, Andrew.
by frnkeore
Mon May 23, 2022 1:10 pm
Forum: Chassis / Suspension / Body
Topic: Can Billet CNC Cut Suspension arm, replace factory cold formed arm?
Replies: 22
Views: 3002

Re: Can Billet CNC Cut Suspension arm, replace factory cold formed arm?

I'm a retired machine shop owner and I was a sub-contractor, for Erickson Air Crane. I made thousands of parts for the Sikorsky S-64, heavy lift helicopter, including Ericksons, first retardant tank, in '91. To begin with 7075 has almost exactly twice the yield strength of 6061, both in T6. In gener...
by frnkeore
Fri May 13, 2022 3:30 pm
Forum: Chassis / Suspension / Body
Topic: Bent Frames/chassis
Replies: 9
Views: 538

Re: Bent Frames/chassis

There are locating pins, on the leaf springs, that go into the holes on the mounting pads, of the axles. They can shear and cause that. It happened to my 65 1/2 K-code Mustang. It's a quick fix but, driving it, you can't usually tell. The steering wheel, will give you a clue though. If you know abou...
by frnkeore
Fri May 13, 2022 12:50 pm
Forum: Chassis / Suspension / Body
Topic: NHRA Street Roaster Roll Cage
Replies: 7
Views: 644

Re: NHRA Street Roaster Roll Cage

Up date:
I forget to get back to this thread. I took the car to the NHRA inspection, on the 19th of March and the inspector, WILL certify it for 10.00 with a roll bar.
by frnkeore
Fri May 13, 2022 12:41 pm
Forum: Chassis / Suspension / Body
Topic: Bent Frames/chassis
Replies: 9
Views: 538

Re: Bent Frames/chassis

Geoff, what makes you think the frame is bent?
by frnkeore
Wed May 04, 2022 1:35 pm
Forum: Vintage/Classic/Historical Engine Tech
Topic: A 409" build - thanks, Mike and sometimes luck happens.
Replies: 2
Views: 413

Re: A 409" build - thanks, Mike and sometimes luck happens.

I an not remember when I last saw a 409 and very rarely a 348. So, regarding demand, I doubt that there is enough for any new products.

Other than that, all I have to say is, have fun with "Your four speed, dual-quad, positraction four-oh-nine." and "Giddy up, giddy up, giddy up 409" =D>
by frnkeore
Sun May 01, 2022 11:26 am
Forum: Engine Tech
Topic: Centrifugal supercharger and effect on peak HP RPM
Replies: 6
Views: 378

Re: Centrifugal supercharger and effect on peak HP RPM

Mild? 10 - 12 lb boost?

I would agree with with a 180 manifold, you don't get much boost below mid range. A 7121 or Air Gap.