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  '64 1/2 to '73 -- The Classic Mustang
  Spark Boxes and increased performance question.

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Author Topic:   Spark Boxes and increased performance question.
70 Pony
Gearhead

Posts: 1769
From: Glenmoore, PA, USA
Registered: Jan 2000

posted 01-29-2002 11:02 AM     Click Here to See the Profile for 70 Pony   Click Here to Email 70 Pony     Edit/Delete Message   Reply w/Quote
In my 351 W, which has went 13.1 on street tires and 3.55 gears (TFS heads etc), I am currently running the MSD entry level "Blaster" Ign box with their Blaster coil.....No compacitive charge etc....
I Just ordered the Crane Hi 6 Fireball with built in rev limiter, and Crane is running a promotion where they throw in their LX92 coil ($60 piece) for free.
Now I know this should burn more efficiently, but will be there any HP or ET gains ?? Or just clean things up.
#2...OEM recommendations on the autolite 3924;s call for a .032 gap...I open them to around 36 to 38....
Am I at the Spark Plug gap limit here, even with the new box..???
FYI...running an EBrock mech fuel pump, 750 DP'er, and a performer RPM intake, with a functional air scoop (not a shaker) 14x4 inch K&N that sits right at the top of a Boss 429 hood scoop, with K&N 's (Filtered Top)...making for some (Shade Tree) ram air....Thanks..

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EDDIE D
Resto Mod '70 Sport Roof
Arrest Me Red

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Fastymz
Gearhead

Posts: 5145
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 01-29-2002 03:11 PM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
Nice set up Eddie,I think the box will make it burn more efficiently.I would think that would add some power.I have gapped my plugs to .42.I dont make enoung power to notice any difference in the gap size yet.

SCOOP

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65 coupe,351w,RPM intake,Carter625,shorty headers,2.5 exhaust, Flowmasters,C4,open 8" 2:80,Big Boss 429 hood scoop,Crager SS,Black Suede.
MEM#1240

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The Iceman
Gearhead

Posts: 1862
From: Shelton, CT
Registered: Jul 2000

posted 01-29-2002 06:33 PM     Click Here to See the Profile for The Iceman   Click Here to Email The Iceman     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by 70 Pony:
with a functional air scoop (not a shaker) 14x4 inch K&N that sits right at the top of a Boss 429 hood scoop, with K&N 's (Filtered Top)...making for some (Shade Tree) ram air....Thanks..


good man

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CrAzY Dan~
1965 Coupe "BeeBop" 200ci Straight "6"~2.77 3-spd w/Hurst Shifter~Pertronix Elec. Ign.~Flamethrower Coil~Flex-Fan~Clifford 6-2 Header~26" Smithys~3" chrome tips~'85 T-Bird TC buckets~'66 guages
https://mustangsandmore.com//ubb/TheIceman.html
http://www.motorcities.com/contents/01GF9250033520.html
There's Nothing Wrong With A Little Six In A Classic Mustang! ;)

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Moneymaker
Administrator

Posts: 13182
From: Lyons, IL, USA
Registered: May 99

posted 01-29-2002 07:53 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Keep the gap at .032 to .035 Eddie. You will see some pick up in ET.

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Alex Denysenko
Co-Administrator and Moderator
NHRA/IHRA/SRA member
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Part time secret agent license #0089
US Class Nationals link

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70 Pony
Gearhead

Posts: 1769
From: Glenmoore, PA, USA
Registered: Jan 2000

posted 01-30-2002 08:53 AM     Click Here to See the Profile for 70 Pony   Click Here to Email 70 Pony     Edit/Delete Message   Reply w/Quote
Thanks Guys.......35 it is Alex.....

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EDDIE D
Resto Mod '70 Sport Roof
Arrest Me Red

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