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Author Topic:   Help with my combo
Jerry Piner
Journeyman

Posts: 89
From: staunton, va
Registered: Dec 2001

posted 03-25-2003 08:56 AM     Click Here to See the Profile for Jerry Piner     Edit/Delete Message   Reply w/Quote
I have a 68 mustang 1/8th mile bracket car
never had it on scales guessing 3200 with me.
351W stock heads mild port
9:5:1
Crane solid 244/[email protected] 553/572 108ls
Holley Street dominator 750 dp
C6 3800 stall
4.56 28" quick time pros
CE 90/10 50/50 shocks & SSM lift bars
Last year it ran high 8.50's low 8.60's with 60 ft usually 1.98-2.01 over the winter I changed the convertor had one that would only flash @2000 and went from 4.11 to 4.56
Sunday it went 8.33 1.83 60 ft 83.6 MPH hooking good no apparent tire spin which is good but I thought it would run at least low 20's or teens. Just wondering what everyone thought, I know the C6 is costing 2 or 3 tenths but i thought what i had would run better any suggestions.

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Mpcoluv
Gearhead

Posts: 906
From: Charlotte NC usa
Registered: Apr 2001

posted 03-25-2003 10:05 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Jerry Piner:
I have a 68 mustang 1/8th mile bracket car
never had it on scales guessing 3200 with me.
351W stock heads mild port
9:5:1
Crane solid 244/[email protected] 553/572 108ls
Holley Street dominator 750 dp
C6 3800 stall
4.56 28" quick time pros
CE 90/10 50/50 shocks & SSM lift bars
Last year it ran high 8.50's low 8.60's with 60 ft usually 1.98-2.01 over the winter I changed the convertor had one that would only flash @2000 and went from 4.11 to 4.56
Sunday it went 8.33 1.83 60 ft 83.6 MPH hooking good no apparent tire spin which is good but I thought it would run at least low 20's or teens. Just wondering what everyone thought, I know the C6 is costing 2 or 3 tenths but i thought what i had would run better any suggestions.

Most people who have tried the Holley "Street Dominator" intakes hate them.
Maybe a Victor Jr would help you a little.

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Jerry Piner
Journeyman

Posts: 89
From: staunton, va
Registered: Dec 2001

posted 03-25-2003 10:20 AM     Click Here to See the Profile for Jerry Piner     Edit/Delete Message   Reply w/Quote
I have a new RPM intake that has been in the garage for couple of months now, going to put it on tonight. Wanted to run it a couple of weeks without then put it on that way I could see how much it helps.

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Moneymaker
Administrator

Posts: 19611
From: Lyons, IL, USA
Registered: May 99

posted 03-25-2003 10:26 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
It should help .010.

------------------
Alex Denysenko
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Quote #1: "I never met a magazine mechanic I liked."
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www.moneymakerracing.com

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Jerry Piner
Journeyman

Posts: 89
From: staunton, va
Registered: Dec 2001

posted 03-25-2003 10:50 AM     Click Here to See the Profile for Jerry Piner     Edit/Delete Message   Reply w/Quote
Any tips Alex is this combination good for better ET's if so what does it need/missing or is this a good ET for what I have.
What about changing the valve lash would that help? Though maybe loosing it up would help pick up the 60 ft and first 330 ft some.

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MattN
Journeyman

Posts: 49
From: Mattoon, IL.
Registered: Feb 2002

posted 03-25-2003 05:16 PM     Click Here to See the Profile for MattN   Click Here to Email MattN     Edit/Delete Message   Reply w/Quote
Which heads are you using? Is your converter actually stalling 3800? I am no expert, but my dad has a car similar to yours. I would change the intake, up the gears to about 5.14 or so, make sure the converter is actually stalling 3800 or better, and lock out your timing. Also the c-6 is killing you. Your car could run in the mid 7's with a little fine tuning.

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