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Eric68
Joined: 01 Nov 2007
Posts: 331
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 Posted: Sun Aug 17, 2008 10:36 am Post subject: |
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The tuneup i posted on the previous page is with spring/fall E85 and probably has a higher ratio of gasoline in it. Below is my new summer blend E85 tuneup. Changes are in bold.
AED Holley 850 based carb with Proform base plate and AED billet metering blocks.
PMJ 86
SMJ 97
Power Valve 10.5" (pulls 8" at 950 rpm idle)
PVCR -- .082"
IFR .046"
IAB -- .054 PRI .054" SEC
HSB -- .025
Booster -- .180
anti-siphon -- plugged
eholes -- Blank (top), .028 (2nd), Blank (3rd), .028" (bottom)
Accel pumps are both 50cc
pump cams -- brown (front position #2, rear position #1)
squirters -- .045" (hollow screw)
_________________
E85 racer and E85 carb builder
www.horsepowerinnovations.com
E85 powered 68 Camaro street car
Best ET on motor 9.96 @ 133 MPH, 5.92 on N2O in the 1/8th |
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2Lane racer
Joined: 18 Apr 2008
Posts: 26
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| Posted: Fri Nov 07, 2008 9:25 pm Post subject: |
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Holley 830 NASCAR SPEC
It had annular boosters that I had changed to QuickFuel Technologies boosters and metering blocks.
PMJ 94
SMJ 99
Power Valve 6.5
PVCR -- ?
IFR-?
IAB - 73
HSB -- 25
Booster -- .180
anti-siphon -- plugged
eholes -- Blank (top), .028 (2nd), Blank (3rd), .028" (bottom)
Accel pumps are both 50cc
pump cams -- yellow
squirters -- .037" (hollow screw)
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Lane
FastLane Racing
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Drag Chevette
Joined: 18 Sep 2007
Posts: 458
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| Posted: Tue Jan 13, 2009 9:57 pm Post subject: Re: Current Carb specs.... |
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| Drag Chevette wrote: |
my BG specs:
PMJ 86
SMJ 97
Power Valve 5.5 (pulls 8" at 1300 rpm idle)
PVCR -- .082
IFR .042
IAB -- .063
HSB -- .025
Booster -- .170
anti-siphon -- .028
eholes -- Blank,.028, Blank, .028
Accel pumps are both 30cc
pump cams -- pink
squirters -- .031 (hollow screw)
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Recent update, previous wasnt balanced front to rear....better now. |
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440Jim
Joined: 01 Jan 2008
Posts: 188
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| Posted: Wed Jan 14, 2009 8:19 pm Post subject: |
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| Thanks for the update. Is that the"750" BG carb? For completeness, what is the venturi and baseplate/throttle blade dias? |
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Drag Chevette
Joined: 18 Sep 2007
Posts: 458
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| Posted: Fri Jan 16, 2009 10:19 pm Post subject: |
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| 440Jim wrote: | | Thanks for the update. Is that the"750" BG carb? For completeness, what is the venturi and baseplate/throttle blade dias? |
BG
1.68 butterflies
1.40 venturi |
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ZJT
Joined: 17 Apr 2009
Posts: 3
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| Posted: Fri Apr 17, 2009 11:01 am Post subject: Re: Current Carb specs.... |
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hi, can i convert my gas 775 rs for e85
engine specs
355ci 270@.050 .600 lift solid 2speed 4.1rear 26x10
10.7@127mph / 2900lb with 100 octane 10% ethanol
my BG specs: carb is basically std out of the box i think
PMJ 82
SMJ 90
Power Valve 6.5
PVCR -- .059
IFR .036
IAB -- .070
HSB -- .039
Booster -- .170
anti-siphon -- .028
eholes -- .031,Blank,.031, Blank, .031
Accel pumps are both 30cc
pump cams -- pink
squirters -- .031 (hollow screw)
red sleeves
if u need anymore info just ask , thankyou |
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Drag Chevette
Joined: 18 Sep 2007
Posts: 458
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| Posted: Sun Apr 26, 2009 1:39 pm Post subject: Re: Current Carb specs.... |
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| ZJT wrote: | hi, can i convert my gas 775 rs for e85
engine specs |
yes, you can....
| Quote: | my BG specs: carb is basically std out of the box i think
PMJ 82
SMJ 90
Power Valve 6.5
PVCR -- .059
IFR .036
IAB -- .070
HSB -- .039
Booster -- .170
anti-siphon -- .028
eholes -- .031,Blank,.031, Blank, .031
Accel pumps are both 30cc
pump cams -- pink
squirters -- .031 (hollow screw)
red sleeves
if u need anymore info just ask , thankyou |
this is what I would do:
PMJ 86
SMJ 95
Power Valve 4.5
PVCR -- .080
IFR .047
IAB -- .063
HSB -- .026
Booster -- .170 (your stock one is .160, BG never did a .170)
anti-siphon -- .028
eholes -- .028,Blank, Blank,.028, Blank
Accel pumps are both 30cc
pump cams -- pink
squirters -- .037 (hollow screw)
red sleeves
that should be good for 84-87% mix........ 
dont ask me how I know.......
OK ask....
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http://www.marksullense85carburetors.com |
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ZJT
Joined: 17 Apr 2009
Posts: 3
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| Posted: Wed Apr 29, 2009 5:57 am Post subject: |
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 Thanks for the advice Drag Chevette , |
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jack lodermeier
Joined: 26 Mar 2010
Posts: 1
Location: norwalk[drag city]ohio
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| Posted: Fri Mar 26, 2010 10:34 am Post subject: carb spec's |
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| Help, i'm a newbe. I would like to find out where i might find a list of the carb acronyms in this forum as i do not think my carb i want to covert to e 85 has all of these parts . thank you loder |
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ZJT
Joined: 17 Apr 2009
Posts: 3
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| Posted: Fri Apr 30, 2010 2:17 am Post subject: |
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Hi Loder, hope this helps a little .
PMJ primary main jet
SMJ secondary main jet
PVCR -- power valve channel restriction
IFR . idle feed restriction
IAB -- .idle air bleed
HSB -- .high speed air bleed |
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jeffrey10x2
Joined: 23 Oct 2010
Posts: 15
Location: duncansville,pa
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| Posted: Wed Mar 23, 2011 6:31 am Post subject: |
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what is target egt to shoot for at idle and at the top end?
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72 camaro
PAR race engines 461 cu in BBC |
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