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  #81  
Old 6 Days Ago
DanR's Avatar
DanR DanR is offline
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When I mentioned several months ago about the trouble I was having trying to get my Commodore Blue V6 to idle..... There were many many ideas, suggestions,etc floated for me to do.

All good advice!

I tried them all or atleast attempted.

Three new Holley 390's installed and two new different ign systems installed, Checked vacuum leaks - NONE!

Timing verified several times. Actually pulled the Timing cover aagaaain

Valves adjusted atleast three times!

My FORD Expert kept saying I had a timing problem and kept referring to the cam .....

After I came to the end of all suggestions and ideas I did what I should have from the beginning (Just did not think of it) and called Delta Cams.

I made the statement My car will not idle below 1250 + RPM's and I was told "IT WILL NOT IDLE BELOW 900 at all because it has NO VACUUM because it is a FULL RACE CAM"!!!

When I posted that! A short time later some began to mention their s would not idle well or it was not good around town etc.,

Well ain't that nice! I've tried to live with this cam for more than a year now.

And still am trying to "fix - it" some way.

I have bragged that it pulls from about 25K upward enormously well!

But it ain't for Crusin' around town.

I am building three more of the V6's at present, Guess What?

Thanks for the POST
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'67 SV Commodore Blue 2.8 V6/T5/Heat &Air
'67 SV The Green1 2.8 V6/T5/Heat & Air/Power Steering
'65 SIV GT BigRed 4.0 V6 BW35 (A4LD Automatic) Heat&Air/Power Steering

All have my designed V6 Components & Straightback Headers Plus the Green1 & BigRed have my Electrical Power Steering (EPS).

'65 SIV ST OD Colour Code 70 Maroon
'63 P1800 Volvo

Last edited by DanR : 6 Days Ago at 08:45 PM. Reason: Spelling
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  #82  
Old 6 Days Ago
260Alpine 260Alpine is offline
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Dan, Have Delta regrind it to milder specs. 260 to 270 duration and 460 to 470 lift. Look at the specs of the popular Crane 260 and 270 cam for the 2.8-3.4 GM V6. Did you try my suggestion of turning the distributor to max steady vacuum and advancing the cam 4 degrees to bring the power range down?
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  #83  
Old 6 Days Ago
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I have not been able to do your suggestion. I did however advance the distributor timing as far as I could turn it then backed off until it began to run a bit smoothly. Just will not stay at idle long.

I plan to take it to the machine shop and get Wayne to help do the degree timing procedure.

DanR
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  #84  
Old 5 Days Ago
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Would an auxiliary source of proportional vacuum help? Like an electric vacuum pump governed by RPM? In other words, would being able to adjust timing dynamically thru the distributor vacuum advance do the trick?
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  #85  
Old 5 Days Ago
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Quote:
Originally Posted by DanR View Post
I have not been able to do your suggestion. I did however advance the distributor timing as far as I could turn it then backed off until it began to run a bit smoothly. Just will not stay at idle long.

I plan to take it to the machine shop and get Wayne to help do the degree timing procedure.

DanR
Dan,
Is it possible, albeit remote, that Delta screwed up the grind on the cam?

In this post are you talking about degree-ing the cam?
http://www.lunatipower.com/Tech/Cams...egreeACam.aspx
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  #86  
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MikeH, Degreeing is above my head. I have much to learn and 260 had made some interesting points I am trying to follow.

I do know for sure the cam will come out this winter if I can't get satisfactory results by then.

Removing the cam might be the only way for certain to answer your question: Quote Dan,
Is it possible, albeit remote, that Delta screwed up the grind on the cam? Unquote.

Ken: The vacuum box remedy might be an answer to some of the problem, maybe all.

The Mutt II had a canister for vacuum needs.

I do not at present run the Brake booster on my SV, so I am told that is not contributing to the problem. I have purchased a new Booster for the Green1 so when that is running I surely hope the idle is resolved before hand.

Last edited by DanR : 5 Days Ago at 11:37 AM. Reason: Added MikeH question on screw up?
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  #87  
Old 5 Days Ago
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Quote:
Originally Posted by DanR View Post
MikeH, Degreeing is above my head. I have much to learn and 260 had made some interesting points I am trying to follow.

I do know for sure the cam will come out this winter if I can't get satisfactory results by then.

Removing the cam might be the only way for certain to answer your question: Quote Dan,
Is it possible, albeit remote, that Delta screwed up the grind on the cam? Unquote.

Ken: The vacuum box remedy might be an answer to some of the problem, maybe all.

The Mutt II had a canister for vacuum needs.

I do not at present run the Brake booster on my SV, so I am told that is not contributing to the problem. I have purchased a new Booster for the Green1 so when that is running I surely hope the idle is resolved before hand.
I believe the canister in the MII was to drive the vacuum motors for the heat and A/C controls.
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  #88  
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DanR DanR is offline
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Mike, You are correct, I was just thinking if it would be possible to utilized one of the Mutt II Canisters some way.

Like Ken and a pumper? Auxiliary source?

Guess I'll wait until this winter when I can remove the engine.

I have two "New jose grind cams" for sale still in the box as shipped from Delta Cams, anyone interested?

DanR
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'67 SV Commodore Blue 2.8 V6/T5/Heat &Air
'67 SV The Green1 2.8 V6/T5/Heat & Air/Power Steering
'65 SIV GT BigRed 4.0 V6 BW35 (A4LD Automatic) Heat&Air/Power Steering

All have my designed V6 Components & Straightback Headers Plus the Green1 & BigRed have my Electrical Power Steering (EPS).

'65 SIV ST OD Colour Code 70 Maroon
'63 P1800 Volvo
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  #89  
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For which block? Are the lifters included?
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  #90  
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Mutt II Block (small journals) no lifters.
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'67 SV Commodore Blue 2.8 V6/T5/Heat &Air
'67 SV The Green1 2.8 V6/T5/Heat & Air/Power Steering
'65 SIV GT BigRed 4.0 V6 BW35 (A4LD Automatic) Heat&Air/Power Steering

All have my designed V6 Components & Straightback Headers Plus the Green1 & BigRed have my Electrical Power Steering (EPS).

'65 SIV ST OD Colour Code 70 Maroon
'63 P1800 Volvo
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