Technical > Matt Shaff's Engine Shop

stupid question?

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Pipe Dreams:

--- Quote from: Frontenginedragsters on May 27, 2014, 07:59:22 AM ---Rodger:
 I will assume this is a compression ratio around 12 to 1.
If the bearings clearances are typical bracket race: .0025-.003" we use 10-40 Brad Penn racing oil.
Everybody will have a different view on this but we have used that oil with ZERO problems.
Spark plugs are also a topic of preference. We have been using NGK plugs for the few years.
They are very easy to read and not over priced.
I would start with a R5671A-7. The short number is: 4091.
Tighten up the gap to .016-.018" for the mag.

Thats my 2 cents:
Matt

--- End quote ---


X2.  I' ve been running Brad Penn 20-50 for 3 yrs...no problems. Also running the same ngk R5671-7' s gapped @ .025 with MSD AL-6.

L79_Acadian:
Thank guys. Got the parts last nights

hotrod316:
remember the only real stupid question is the one you or me are afraid to ask 8) 8) 8) 8) 8) 8) 8) 8) 8)
steve m
hotrod 316

KeithDyer:
We have found that a hot spark plug will show your tune-up quicker than a cold plug.

Seen guys struggle for a long time fighting it with a cold spark plug . . . . .

GlennLever:

--- Quote from: hotrod316 on May 28, 2014, 07:58:08 AM ---remember the only real stupid question is the one you or me are afraid to ask 8) 8) 8) 8) 8) 8) 8) 8) 8)
steve m
hotrod 316

--- End quote ---

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