The Ford Barn

mollydog · 02-13-2015, 01:21 PM

I have a Stromberg 97 on an Ansen manifold on my Model "A". It also has a Miller Head and header. I need recommendations for jetting size on the Stromberg. Any help would be appreciated.

Mollydog

colin1928 · 02-13-2015, 04:14 PM

I find the stock jets 45 main & 65 power very close

mngreen · 02-13-2015, 06:10 PM

I find that my stock jetted 97 does just fine on my vintage Cragar OHV head with headers. I assume that your Miller head is the new reproduction OHV by Steve Serr.

mollydog · 02-14-2015, 11:01 AM

I also have a vintage Crager head. Stromberg jets are stock. I have a problem with the plugs sooting up in a very short time. Also black soot in the tailpipe. What sparkplugs are you using? Other than that the engine runs fine.

Mollydog

colin1928 · 02-14-2015, 06:47 PM

Check your spark timing the Miller and Cragers like different advance curve than normal A + B models
as mine may have different cam and compression etcetera to yours best to run it on a dyno and get the correct Nos for yours

mngreen · 02-16-2015, 01:00 PM

Sponsored Links (Register now to hide all advertisements)

Quote:

Originally Posted by mollydog

I also have a vintage Crager head. Stromberg jets are stock. I have a problem with the plugs sooting up in a very short time. Also black soot in the tailpipe. What sparkplugs are you using? Other than that the engine runs fine.

Mollydog

I also had that problem. I was running Motorcraft TT10 plugs for many years and dealt with sooted-up plugs.

What was happening is that the oil being pumped up on top of the Cragar rocker arm assembly finds it way down loose fitting valve guides causing excess oil to creep into the firing chambers and foul the plugs.

My solution:

Changed out the crappy, too-cold TT10 plugs to Champion W-18, upgraded my distributor cam to the Model B version available from Bill Stipe, and installed a 40KV epoxy filled ignition coil from Pertronix (thanks Purdy Swoft!). Otherwise, my ignition is stock Model A. Needless to say, I now get INSTANT starts, squeaky clean plugs and lots of zip and pep from a MUCH hotter spark.

larryf · 02-16-2015, 01:10 PM

run the 45 jets at sea level with miller and no problems

mollydog · 02-17-2015, 08:19 PM

I have a Mallory dual point distributor and a new coil from NAPA. I have Champion
W-10 plugs in it, they were in it when I got the car. I assume they are to cold. I'll see if I can get some W-18"s and see if that helps. I also found I have TWO different main jets in the carb! Don't know where that cam from. (Also on the car when I got it). I have 44's and 45's on the way and a 65PV.
Thanks for your input.

Mollydog

02-13-2015, 01:21 PM	#1
mollydog Member Join Date: Jul 2014 Location: bechtelsville, pa Posts: 36	Stromberg 97 Jetting I have a Stromberg 97 on an Ansen manifold on my Model "A". It also has a Miller Head and header. I need recommendations for jetting size on the Stromberg. Any help would be appreciated. Mollydog

02-13-2015, 04:14 PM	#2
colin1928 Senior Member Join Date: Mar 2013 Location: Australa Melbourne Posts: 878	Re: Stromberg 97 Jetting I find the stock jets 45 main & 65 power very close

02-13-2015, 06:10 PM	#3
mngreen Senior Member Join Date: Jul 2010 Location: Rancho Santa Margarita, CA Posts: 155	Re: Stromberg 97 Jetting I find that my stock jetted 97 does just fine on my vintage Cragar OHV head with headers. I assume that your Miller head is the new reproduction OHV by Steve Serr.

02-14-2015, 11:01 AM	#4
mollydog Member Join Date: Jul 2014 Location: bechtelsville, pa Posts: 36	Re: Stromberg 97 Jetting I also have a vintage Crager head. Stromberg jets are stock. I have a problem with the plugs sooting up in a very short time. Also black soot in the tailpipe. What sparkplugs are you using? Other than that the engine runs fine. Mollydog

02-14-2015, 06:47 PM	#5
colin1928 Senior Member Join Date: Mar 2013 Location: Australa Melbourne Posts: 878	Re: Stromberg 97 Jetting Check your spark timing the Miller and Cragers like different advance curve than normal A + B models as mine may have different cam and compression etcetera to yours best to run it on a dyno and get the correct Nos for yours

02-16-2015, 01:10 PM	#7
larryf Member Join Date: Jan 2011 Location: Cape Coral, Fl Posts: 75	Re: Stromberg 97 Jetting run the 45 jets at sea level with miller and no problems

02-17-2015, 08:19 PM	#8
mollydog Member Join Date: Jul 2014 Location: bechtelsville, pa Posts: 36	Re: Stromberg 97 Jetting I have a Mallory dual point distributor and a new coil from NAPA. I have Champion W-10 plugs in it, they were in it when I got the car. I assume they are to cold. I'll see if I can get some W-18"s and see if that helps. I also found I have TWO different main jets in the carb! Don't know where that cam from. (Also on the car when I got it). I have 44's and 45's on the way and a 65PV. Thanks for your input. Mollydog