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  DOUBLE ROLLER, CARB AND OIL QUESTIONS

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Author Topic:   DOUBLE ROLLER, CARB AND OIL QUESTIONS
johnmustang
Gearhead

Posts: 5144
From: British Columbia , Canada
Registered: Nov 2001

posted 05-11-2003 04:49 PM     Click Here to See the Profile for johnmustang   Click Here to Email johnmustang     Edit/Delete Message   Reply w/Quote
(1)....I have the double roller on my 289 and it is a little noisy not bad but there. What do you think if I drill a hole in my oil sending unit extension, run a 1/8th line to the top of the block above the timing chain drill another hole so that I get oil to continuously splash the top of the chain to help keep it quite?

(2)....My autolite 4100 - 1.08 venturi runs a little rich no matter what I do to it, after much checking and getting it back to the carb guru here in Nanaimo it still runs rich. Did alot of reading and talking to people and the problem is the idle circuit stays open no matter what I do, apparently because of the cam. What do you think if I drill a 1/16th hole in the backside of the primary butterflies to allow more air in, thus helping to close the butterflies all the way to stop the idle circuit from bleeding off gas and running rich? I had a couple of guys tell me about this and I sort-of remember hearing about doing this a few years ago by a guy that had the same problem in his car ( same carb ) and apparently it works.

(3)....What do you think about running 15-40 oil in my 289 instead of 10-30 ? The car will only see summer driving and will pretty much be a cruiser with some weekend warrior duty on the 1/4 track. What would be your suggestions on which oil to use, Reg or synthetic ? The motor has 2000 miles on it since total rebuild .60 over, 268H cam and all internals to match the cam and so on, not a brute of a motor but a good quick runner, C4 with transgo shift kit, 3.25:1 Trac-Loc.


JOHN

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65 2+2 FASTBACK
87 TAURUS WAGON
98 F150 XLT TRITON V8 4.6, 4 WHEEL DRIVE
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Moneymaker
Administrator

Posts: 21725
From: Lyons, IL, USA
Registered: May 99

posted 05-11-2003 05:03 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Hi John.
Live with the noise. It's getting plenty of oil.
Drilling 1/16 holes in the primary blades will improve idle quality.
What power valve are you using?
10w40 is great for all around summer driving. You don't want much heavier oil in a SBF.

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Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
First SS/MA in the TENS!
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
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Quote #1: "I never met a magazine mechanic I liked."
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johnmustang
Gearhead

Posts: 5144
From: British Columbia , Canada
Registered: Nov 2001

posted 05-11-2003 05:25 PM     Click Here to See the Profile for johnmustang   Click Here to Email johnmustang     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Moneymaker:
Hi John.



Hi Alex

Once again a real big congrats to you and Tony on setting the records


quote:
Originally posted by Moneymaker:

Live with the noise. It's getting plenty of oil.


Okly-Dokly I,ll leave it alone


quote:
Originally posted by Moneymaker:

Drilling 1/16 holes in the primary blades will improve idle quality.


I will drill each primary blade, but is 1/16 the correct size or do you think I should go smaller or bigger ?

quote:
Originally posted by Moneymaker:

What power valve are you using?


Being the bone-head that I am I do not remember, but I think it is the stock one.


quote:
Originally posted by Moneymaker:

10w40 is great for all around summer driving. You don't want much heavier oil in a SBF.

Once again thanks for all of your valued advice Alex, believe it or not I do listen and learn alot from you. I will stay with the 10-40 and not the 15-40.


JOHN

------------------
65 2+2 FASTBACK
87 TAURUS WAGON
98 F150 XLT TRITON V8 4.6, 4 WHEEL DRIVE
Member:Vancouver Island Mustang Association
M&M #1710
MyPhotoPage
MY TRUCK

IP: Logged

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