From owner-fsj-digest-at-digest.net Thu Mar 10 13:31:17 2005 From: fsj-digest fsj-digest Thursday, March 10 2005 Volume 01 : Number 2382 Forum for Discussion of Full Sized SJ Series Jeeps Brian Colucci Digest Coordinator Contents: fsj: today's stats fsj: Carb Question? Re: fsj: Carb Question? Re: fsj: Carb Question? fsj: Re: today's stats Re: fsj: Carb Question? fsj: Re: today's stats fsj: misc stats fsj: vehicle dimensions fsj: more on Comp cams FSJ Digest Home Page: http://www.digest.net/jeeps/fsj/ Send submissions to fsj-digest-at-digest.net Send administrative requests to fsj-digest-request-at-digest.net To unsubscribe, include the word unsubscribe by itself in the body of the message, unless you are sending the request from a different address than the one that appears on the list. Include the word help in a message to fsj-digest-request to get a list of other majordomo commands. ---------------------------------------------------------------------- Date: Wed, 9 Mar 2005 02:24:54 -0500 (EST) From: john Subject: fsj: today's stats 8 March 2005 regular unleaded $2.15 diesel $2.75 (exit 186 I-5) Of course I saw regular for $2.09 and Diesel for $2.69 other places. what's even weirder though... 61 Degrees F at 10pm on March 8 in Seattle! And it WASN'T raining... I believe we set some high temp records today... weird... I am not looking forward to this summer... we're going to pay for all this nice weather... :) or we're going to be one big forest fire... john ---- - ------------------------------------------------------------------------- ** http://wagoneers.com ** ** http://freegift.net ** Snohomish, Washington USA - where Jeeps don't rust, they mold. - ------------------------------------------------------------------------- ------------------------------ Date: Wed, 9 Mar 2005 12:06:17 -0700 From: Matt Subject: fsj: Carb Question? Well its been a while since i dealt with anything that used a carb and i had a question. During normal operation should the butterfly be moving in response to pedal pressure. Mine are wide open all the time and it seems like that should be throttle sensitive? Isn't that how airflow is regulated into the engine? Thanks for any help. Matt ------------------------------ Date: Wed, 9 Mar 2005 11:31:56 -0800 (PST) From: Brad Seevers Subject: Re: fsj: Carb Question? Matt, You are probably looking at the choke butterfly. There should be a choke butterfly close to the top of the carb, and a throttle butterfly close to the bottom. - --- Matt wrote: > Well its been a while since i dealt with anything > that used a carb and > i had a question. During normal operation should the > butterfly be > moving in response to pedal pressure. Mine are wide > open all the time > and it seems like that should be throttle sensitive? > Isn't that how > airflow is regulated into the engine? > > > Thanks for any help. > Matt > __________________________________ Celebrate Yahoo!'s 10th Birthday! Yahoo! Netrospective: 100 Moments of the Web http://birthday.yahoo.com/netrospective/ ------------------------------ Date: Wed, 9 Mar 2005 11:51:01 -0800 From: "Jim Blair" Subject: Re: fsj: Carb Question? Matt, A: If you have a Buick motor (or AMC V8 with adapter) with Rochester 4bbl, the secondaries are vacuum connected, but that's it. The choke should be open after just a couple minutes running. You are probably looking at the choke butterfly. There should be a choke butterfly close to the top of the carb, and a throttle butterfly close to the bottom. - --- Matt wrote: > Well its been a while since i dealt with anything > that used a carb and > i had a question. During normal operation should the > butterfly be > moving in response to pedal pressure. Mine are wide > open all the time > and it seems like that should be throttle sensitive? > Isn't that how > airflow is regulated into the engine? > > > Thanks for any help. > Matt > __________________________________ Celebrate Yahoo!'s 10th Birthday! Yahoo! Netrospective: 100 Moments of the Web http://birthday.yahoo.com/netrospective/ ------------------------------ Date: Wed, 9 Mar 2005 11:54:37 -0800 From: "Jim Blair" Subject: fsj: Re: today's stats Gas is $2.01 down the hill from my place (I get $.03 off that and if I get $50 groceries at Safeway, I get another $.03 a gallon off that) Biodiesel was $2.12 when I went past the station 2 days ago. ------------------------------ Date: Wed, 9 Mar 2005 15:39:45 -0500 (EST) From: john Subject: Re: fsj: Carb Question? the butterfly of which you speak, is that the one at the main opening? if so, that's the choke... if you look down inside, there should be two more of those things, much smaller of course, and they will move with the throttle linkage. To solve the problem, I recommend getting a TBI setup. ;) carbs, well they really s... ;) john On Wed, 9 Mar 2005, Matt wrote: >-->Well its been a while since i dealt with anything that used a carb and >-->i had a question. During normal operation should the butterfly be >-->moving in response to pedal pressure. Mine are wide open all the time >-->and it seems like that should be throttle sensitive? Isn't that how >-->airflow is regulated into the engine? >--> >--> >-->Thanks for any help. >-->Matt >--> ---- - ------------------------------------------------------------------------- ** http://wagoneers.com ** ** http://freegift.net ** Snohomish, Washington USA - where Jeeps don't rust, they mold. - ------------------------------------------------------------------------- ------------------------------ Date: Wed, 9 Mar 2005 15:42:44 -0500 (EST) From: john Subject: fsj: Re: today's stats On Wed, 9 Mar 2005, Jim Blair wrote: >-->Gas is $2.01 down the hill from my place (I get $.03 off that and if I get >-->$50 groceries at Safeway, I get another $.03 a gallon off that) Biodiesel >-->was $2.12 when I went past the station 2 days ago. SAY WHAT? where, when... $2.12??? yeehaw... draw me a map Jim... send pictures... with arrows... that means I could fill up my Jimmy!!!! john ---- - ------------------------------------------------------------------------- ** http://wagoneers.com ** ** http://freegift.net ** Snohomish, Washington USA - where Jeeps don't rust, they mold. - ------------------------------------------------------------------------- ------------------------------ Date: Wed, 9 Mar 2005 21:03:03 -0500 (EST) From: john Subject: fsj: misc stats Wed Mar 9, 2005 - Seattle, WA fuel prices: exit 186 I-5 reg unleaded $2.17 Diesel $2.75 (can find it for 2.09/2.69 elsewhere) temp on Tuesday 8 March 2005 in Seattle at 10pm was 61 degrees... it's in the 60's again today. But what's interesting is precipitation: we have / normal Tuesday 0.00 0.13 This Month 0.16 1.06 Since 10/1 16.10 25.08 Since 1/1 5.80 10.37 meanwhile I hear that "sunny" SoCal has had over 30" of rain... :) john ---- - ------------------------------------------------------------------------- ** http://wagoneers.com ** ** http://freegift.net ** Snohomish, Washington USA - where Jeeps don't rust, they mold. - ------------------------------------------------------------------------- ------------------------------ Date: Wed, 9 Mar 2005 21:31:01 -0500 (EST) From: john Subject: fsj: vehicle dimensions Mercedes Dimensions Mdl - WB - length - Width ============================ 123 110.0 186.0 70.3 124 110.0 186.6 68.5 126 115.6 202.6 71.6 201 104.9 175.0 66.1 JEEPS: Mdl - WB - length - Width ============================ Willys 104 174.0 72.0 SJ 108.7 186.5 75.6 XJ 101.4 165.3 70.5 ZJ 105.9 177.2 70.9 WJ 105.9 181.5 72.3 TJ 93.4 152.8 68.2 J10 118.8 194.0 78.9 ---- - ------------------------------------------------------------------------- ** http://wagoneers.com ** ** http://freegift.net ** Snohomish, Washington USA - where Jeeps don't rust, they mold. - ------------------------------------------------------------------------- ------------------------------ Date: Thu, 10 Mar 2005 10:24:33 -0800 From: "Jim Blair" Subject: fsj: more on Comp cams Subject: RE: Comp Cams - Jock J Jocewicz Date: Wed, 9 Mar 2005 22:03:15 -0600 The following is the information on the COMP Cams, Thanks to Jock Jocewicz. Thanks Jock for the copy, I am rebuilding two 360s at this time. Joe W. +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Joe, Here it is: Hi Jock, Flat tappet cams in general have some common thread problems.....the problems are not just with COMP Cams. Someone missed the info just a little....the problem with the EPA has nothing to do with the way the cams are made...it has to do with the oils that are available to the public now. The government has forced the oil companies to delete some elements from the oils under the guise of protectiong the environment. The most crucial of those deleted elements is ZINC! The property of zinc in oil is that of adding lubricity between metal surfaces....especially during the critical break-in process of a flat tappet cam. The loads between the lifter and the cam are incredible! Now that zinc is gone, the cams are much more vulnerable to flattening during the break-in/burnishing period. That being said, there are also a number of other things that customers sometimes do that are not in their best interests.....the lifter MUST spin at all times. If there is only 002" or so clearance between the lifter and the block, the smallest piece of grit that does not get cleaned from the motor, or a piece that breaks loose from some nook or cranny, can lodge between the lifter and block and...WHAM....the cam goes flat in seconds.....lifter doesn't spin! When a new cam is put in and the valvetrain is assembled, turning the motor over by hand with the manifold off will show if the lifters are turning (caused by the taper in the cam against the convex surface of the lifter and their contact point off-center on the lifter). We've already talked about the loads and the oils during burnishing....there are additives, like our Camshaft Break-in Lube (12 oz. bottle part number 159, approx cost $10) that can be mixed with the break-in oil to replace some of the lost lubricity. There is a lifter bore grooving tool that's used by most of the oval track engine builders in the country, and a significant number of street engine builders, that "scribes" a .012" or so groove in lthe lifter bore on the side of the bore leading the cam lobe so that a constant, very small, stream of oil is constantly lubing each cam lobe just prior to them going under their respective lifters. Remember, the reason we break these motors in at 1,800 to 2,000 RPM for 20 minutes or so is so that the oil is splashed up onto the surfaces of the cam and lifter to get oil between the two. As soon as the motor comes back to idle, THERE IS NO MORE OIL PROVIDED TO THE CONTACT SURFACES!!!!....at least not until the motor is revved up again. Other things that can happen to create flattening are as simple as the bottom of the retainer touching the top of the valve guide....cam goes flat......too much nose spring pressure during break-in or coil bind caused by lack of checking actual lift versus the available room between the coils....cam goes flat. OK....this is a real long explanation of the short question..."why did my cam go flat?", but as you can see, the answer is not simple....but the thing I want you, Jock, and others you encounter to know as gospel is that we do not produce "soft" cams alluded to below, and the EPA has not required us or anyone else to do such a thing. Just a case of misinformation and internet chat spreading incorrect information. Hope this helps clarify! Thanks for getting in touch with me! Look forward to seeing you again soon...and happy racing to the AMC folks this year! Tim Cole COMP Cams Performance Account Manager Jim Blair, Seattle, WA '84 J10 Black Jack (getting lifted and stroked!), '73 J4000 304/TH400/QT tow truck http://www.virtualjeep.com AMC list subscription options link http://www.amxfiles.com/amc-list/options.cfm ------------------------------ End of fsj-digest V1 #2382 **************************