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Post  1cobra2 on October 25th 2010, 12:28 pm

Drag car-66 Fairlane - 547 ci-912 hp -736 ft lbs- had oil preasure probs all last year so limited results-1/8 mile -5.88@119mph.

kaase p-51,vacumn pump, external oil pump.

Looking for imput for improvement.

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Post  bosshoss on October 25th 2010, 5:08 pm

Need more info.

What block?, what oil pan, how much vacume, type of lifters, any restrictors,

Lots of experience here.

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Post  richter69 on October 25th 2010, 5:11 pm

how much it weigh w driver? altitude? drivetrain? gear? tire? fuel type?
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Post  1cobra2 on October 30th 2010, 1:04 pm

Hi -Sorry for the late response--
Block-Svo 6110-A460
Pan-Stef's-rear sumpwcustom baffels
Vacumn-10 in.@6500
Restriction- Manton push rods-.040 oil hole
Weight-3052 wet w/driver
Ladder bar
4:33
Tire 33X15
C14

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Post  1cobra2 on October 30th 2010, 1:07 pm

[quote=
"richter69"]how much it weigh w driver? altitude? drivetrain? gear? tire? fuel type?[/quote]

Hi did not know how to reply--see my posting of today--Thanks

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Post  1cobra2 on October 30th 2010, 1:08 pm

richter69 wrote:how much it weigh w driver? altitude? drivetrain? gear? tire? fuel type?

See my posting of today--Thanks

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Post  bosshoss on October 30th 2010, 6:33 pm

At that hp level I will assume that you are running a roller cam. With the A460 block you should be running a restrictor in the oil gallery that supplies the lifter galleries. Most guys end up around .0625 but I have heard of a few at .040. You also need to make sure that your lifters are oriented in the block so as to prevent the oil supply hole from ever seeing direct oil pressure.

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Post  1cobra2 on November 1st 2010, 11:44 am

[quote="bosshoss"]At that hp level I will assume that you are running a roller cam. With the A460 block you should be running a restrictor in the oil gallery that supplies the lifter galleries. Most guys end up around .0625 but I have heard of a few at .040. You also need to make sure that your lifters are oriented in the block so as to prevent the oil supply hole from ever seeing direct oil pressure.


Yes a roller cam--lifters are oriented correct-yes have .040 restriction-- The oile prob is centered around the external oil pump--losing prime.

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Post  bosshoss on November 1st 2010, 11:51 am

You said you had .040 restricted pushrods, do you also have a .040 drilled gallery plug? Are you saying the pump looses its prime with the motor running or when its off?

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Post  1cobra2 on November 2nd 2010, 12:10 pm

[quote="bosshoss"]You said you had .040 restricted pushrods, do you also have a .040 drilled gallery plug? Are you saying the pump looses its prime with the motor running or when its off?

After a pass-oil preasure drops off eventially to 0--we have a accusump-3 qt.--and external oil pump.
We are now thinking the pump is overwellming the paper element filter and causing the pump to bypass-we are going to try an inline filter with no by pass.
I'll keep you posted.

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Post  bosshoss on November 2nd 2010, 12:50 pm

Wow. Sounds like you have the right parts.

Not trying to badger you or belabour the point but it is crucial on a build of this kind to have the right restrictor inside the block. Without it you will push to much oil to the top end of the engine and pump the oil pan down enough to lose oil pressure. It is a very common problem.

What part of Oregon are you in? There is a guy named Ken Heard at Oregon Cams in Vancouver WA. He is very knowledgable on the 460 stuff. If you are close he might be a local resource for you.

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Post  Curt on November 2nd 2010, 12:58 pm

Welcome and New from Oregon T320611ACPK-z

Some tough games lined up this weekend,,,,,,,,,,,,,,,,,,,,, The Ducks wont be one of them though!

GO DUCKS! New from Oregon Oregon
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Post  1cobra2 on November 4th 2010, 11:39 am

[quote="bosshoss"]Wow. Sounds like you have the right parts.

Not trying to badger you or belabour the point but it is crucial on a build of this kind to have the right restrictor inside the block. Without it you will push to much oil to the top end of the engine and pump the oil pan down enough to lose oil pressure. It is a very common problem.

What part of Oregon are you in? There is a guy named Ken Heard at Oregon Cams in Vancouver WA. He is very knowledgable on the 460 stuff. If you are close he might be a local resource for you


Thanks -yes we do know Ken-haven't discussed with him yet.-will wait to see if this in line filter w/o bypass will solve the issue

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Post  rachely476 on November 23rd 2010, 6:04 am

Hi!
I've just visited this forum. Happy to get acquainted with you. Thanks.

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Post  res0rli9 on November 23rd 2010, 6:19 am

Welcome! and we need pics and or video Smile

I had 66 427 medium riser with hi riser heads back in the early 70s. wish I still had it Sad

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Post  dfree383 on November 23rd 2010, 8:46 am

What kind of filter ar you running?
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Post  1cobra2 on November 23rd 2010, 10:59 am

Hi We were running a Moroso Filter ---but have since instaled a Peterson in line filter--Snow has set in so we haven't tested--can't find chains big enough to fit--I will post results when we do---One promising fact is that the pump self primed itself after changing filters.

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Post  1cobra2 on November 23rd 2010, 11:06 am

res0rli9 wrote:Welcome! and we need pics and or video Smile

I had 66 427 medium riser with hi riser heads back in the early 70s. wish I still had it Sad


Car is a GTA --owned since early 70's--campained at Orange Cty-Calif.-for 6-8 years-ran a stroked Tunnel Port until the Cty closed.
I will try to get a friend to post some pics-I gest know how to turn on puter.

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Post  fe50stang on November 23rd 2010, 2:30 pm

Hey I'm new from here and from oregon as well. Where abouts are you from? I'm in beaverton.
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Post  1cobra2 on November 24th 2010, 12:02 pm

fe50stang wrote:Hey I'm new from here and from oregon as well. Where abouts are you from? I'm in beaverton.

Welcome to the site-We live in Sisters-Last year ran at Madras-have run at most Oregon tracks-my son who drives lives in Bend-His name is Keith-mine is Ed Johnson

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