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12-10-2002, 06:37 PM
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#1 |
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faster, faster, faster
Join Date: Dec 2001
Location: Houston ,Texas ,USA
Posts: 1,354
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What gap??
What sparkplug gap do you guys recommend running in a verry warm 385? The cam isn't too big, but it's not too small either. It's a crane energizer 274 with .454 lift and something like 212 duration at .50. The compression is about 10.2-1. I have been running the standard .32? for a sbc, but was wondering if it needed more for the extra ci and compression. Any ideas?
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I'm going to Law School, wanna debate? It's good practice. |
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12-10-2002, 07:03 PM
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#2 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Im running a recurved HEI with hot coil & module. The autolite platinums are gapped @ .042(9.8 to 1 383), the specs are in my signature.....
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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12-10-2002, 07:27 PM
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#3 |
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faster, faster, faster
Join Date: Dec 2001
Location: Houston ,Texas ,USA
Posts: 1,354
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OK. I forgot to mention that I also hava a MSD 6AL box. I thought that a wider gap would be a little better, but I was a little unsure. My hei is also recurved do delay the advance a bit. So a little larger gap is the way to go?
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I'm going to Law School, wanna debate? It's good practice. |
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12-10-2002, 07:38 PM
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#4 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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With the MSD box, I would go a little wider.....i cant say for sure how much, but would think about .050, & just play with the gap till she runs the best. Im runnin Accel pcs, & seem to run fine @ .042- .045.......the hotter the spark, the more you can open the gap. Good luck.....crazy AL
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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12-10-2002, 07:39 PM
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#5 |
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Thats the Hillbilly way
Join Date: Jul 2001
Location: Torrance,Ca
Posts: 5,980
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I would try .045 ,thats what I run on a hei .
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BILL Torrance Calif 90504 Member DUF Club Member Old Farts Club 72 3/4ton Custom Camper BB402/400 trans Dynomax Cerama-coat headers , Hei distributor ,Edelbrock 1411 air,ps,pb,leafsprings ,98 chevy 60/40 seat,S10 shoulder belts tilt,3.54 Dana 60 rear. 16" Eagle wheels with LT265/75 16 tires,Gaylord Lid,H4 headlights with 100W relay conversion. " If I knew I was going to live this long I would have taken better care of myself " Marriage changes passion...suddenly you're in bed with a relative. A GUY'S PRAYER.... Lord, I pray for a nympho with huge boobs who owns a liquor store and likes to fish and hunt and has a Harley .Amen , |
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12-10-2002, 08:16 PM
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#6 |
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Senior Member
Join Date: Apr 2000
Location: Delta,Pa
Posts: 14,950
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yea i agree with crazy longhorn try somethin around .050. .032 is way too small of a gap for an hei dizzy. u should actaulyl have a noticeable increase in power just from changing the gap but u might wanna get spark plugs that already have at least a .045 gap to start with
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Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member. |
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12-10-2002, 08:36 PM
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#7 |
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faster, faster, faster
Join Date: Dec 2001
Location: Houston ,Texas ,USA
Posts: 1,354
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Thanks for the info guys. Thats what I was wanting to hear. I thought the gap was too small, but I just wanted make sure before I regapped them.
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I'm going to Law School, wanna debate? It's good practice. |
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12-10-2002, 10:48 PM
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#8 |
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Registered User
Join Date: Nov 2002
Posts: 427
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Running a 350 (360 now) with an HEI.
Had R44-TS plugs gapped at .035. Swapped them out for R45-TS at .045. Is this a good thing? The rear plug on the passenger side was gunked up big time. Have been told it's from the additives in the gas. Is this correct? Thanks |
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12-10-2002, 11:02 PM
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#9 |
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Registered User
 Join Date: Jan 2001
Location: Katy, TX...but the love of my life resides in Dublin,OH.
Posts: 1,408
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r45ts I'm running are gapped at .045 and I just run the regular hei... I dont have all those other goodies...yet
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