Question about 2001 Harley Davidson FLSTF - FLSTFI Fat Boy

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I have a ninty five cubic inch engine with screamin' eagle race heads,high compression pistons,411 cams with jims power glide 2 lifters,screamin' eagle cam plate,with high volume oil pump,adjustable pushrods with screamin'eagle roller rocker arms.at start up engine sounds ok.when temperature reaches 200 the top end sounds like a sewing machine.Is this normal?If not what can I do to fix the noise.

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Additional "sounds" or "noise" from modified motors are fairly "normal" when the engines are at full operating temperatures. Changing you brand or weight of engine oil might have a slight effect in sound reduction, but if everything else seems okay then I'd just ride and enjoy it and keep an "ear" on things.

Posted on Aug 26, 2010

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1 Answer

2002 twin cam


Stock twin cam engines have automatic hydraulic lifters that will take up any slack in the pushrods. Are you sure you are listening to tappet noise? Have the pushrods been replaced with adjustable ones that are not set correctly? Have you installed a high lift cam shaft? This will cause extra tappet noise. Last of all, check the lifters as the rollers do wear and can self destruct causing some serious damage to the oil pump and other items in the timing chest. They can also cause damage to the engine casing if the roller pin comes out knocking a lump out of the tapper guide which is part of the casing. Any unusual coming from the timing case must be investigated as soon as possible. A stitch in time saves nine especially in these cases.

Jul 04, 2014 | Harley Davidson FLHTCUI Electra Glide...

1 Answer

Harley torque specs


Factory Evo lifters have a range of adjustment/compensation of a little over .200 of an inch. Your aim is to set the pushrods to run in the middle of that range. Screamin Eagle pushrods use a 24-pitch thread, which lengthens them by .041 n change per turn. Set the pushrod in place with the lifterer all the way down, adjust to zero play, then extend it by 15 flats of the hex, to a total of 2-1/2 turns, extending the pushrod .100 of an inch. This puts it in the middle of travel of the lifter, and you're on to the next! Remember to allow plenty of time for the lifters to bleed off oil between each rod adjustment before turning the engine, to avoid bottoming out a valve. Adjust one at a time, 10 minutes wait time between each pushrod is a good rule of thumb. Ride safe!

May 14, 2014 | 2000 Harley Davidson FXST Softail Standard

2 Answers

No Start - Lanos 99 SOHC 1.395cc


Hi. I can give you a simple, but time consuming test to do to check your intermittent compression problem. New hydraulic lifters cause a lot of problems until its settled. Remove the camshafts and the hydraulic lifters. Take each hydraulic lifter and put it in a vice(becarefull not to damage them) and squeeze out all the oil in the lifters. Then put them back and replace camshaft and allign timing marks. Check compression ratio. What happens sometimes is that the oil pressure is too high(stuck oil pressure release valve or cold thick oil) and this causes the oil pressure to put so much pressure on the hydraulic lifters, that it slightly forces the valve open. That will cause your low compression as well as backfire through the intake.

Jan 14, 2014 | 1999 Daewoo Lanos

1 Answer

I'd like to remove/modify the baffles. Any tips/suggestions? (07 St Bob with Screamin Eagles)


The best solution to this in order to keep performance and sound qualities is to replace your current exhaust.
tho the screamin eagle exhaust systems allow more flow, they are not up to a racing par along with vance and hines or thunder header or so on
screamin eagle is kept in guidelines under the epa so sound is on the lesser side and so is performance,
i would check out thunderheader.net
their systems are the best performing and sound 100% amazing
i will warn you that they are not the prettiest things out their tho
other than that there is on some model screamin eagle exhausts is a small allen button head screw that will remove the baffles. and some don't

Jan 15, 2011 | 2006 Harley Davidson FXDBI Street Bob

1 Answer

There is a tapping noise in the motor but its not knocking I think its a lifter it hasent lost any power and its really not getting worse I would like to know what the spec is for tighing down the lifter...


Depends on which engine you have. If you have


ADJUSTMENT Although it is sometimes possible to reuse an old cylinder head cover gasket, in most cases it makes more sense to purchase a new one before beginning the procedure. Some vehicles may require the use of silicone sealant either with or without a new cover gasket. For more details, please refer to the cylinder head cover procedures in Engine & Engine Overhaul of this repair guide and refer to the gasket manufacturer's instructions.

Z24i Engine
See Figures 1, 2 and 3
For the intake valves: 1-4-5-8 valve clearance is 0.012 in. (0.30mm). For the exhaust valves: 2-3-6-7 valve clearance is 0.012 in. (0.30mm). The pivot locknut torque specification is 12-16 ft. lbs. (16-22 Nm).

  1. The valves must be adjusted with the engine warm, so start the truck and run the engine until the needle on the temperature gauge reaches the middle setting. After the engine is warm, shut it off.
  2. Note the location of any wires and hoses which may interfere with cylinder head cover removal, disconnect them and move them to one side. Remove the bolts holding the cylinder head cover in place and remove the cover. Remember, the engine will be hot, so be careful!

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Fig. Fig. 1: Check the valve clearance with a flat feeler gauge-Z24i engine





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Fig. Fig. 2: Loosen the locknut and turn the adjusting screw to adjust the valve clearance-Z24i engine


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Fig. Fig. 3: With the No. 1 piston at TDC, adjust the top set of valves FIRST; with the No. 4 piston at TDC, adjust the bottom set of valves SECOND-Z24i engine

  1. Rotate the crankshaft until the timing marks indicate that the No. 1 piston is at TDC of the compression stroke. If you're not sure of which stroke you're on, remove the No. 1 spark plug and hold your thumb over the hole. Pressure will be felt as the piston starts up on the compression stroke.
  2. Refer to the accompanying illustration (upper part), then check valves (1), (2), (4) and (6) using a flat bladed feeler gauge. The feeler gauge should pass between the valve stem end and the rocker arm screw with a very slight drag. Insert the feeler gauge straight, not at an angle.
  3. If the clearance is not within the specified value, loosen the rocker arm lock nut and turn the rocker arm screw to obtain the proper clearance. After correct clearance is obtained, tighten the locknut.
  4. Rotate the crankshaft until the timing marks indicate that the No. 4 piston is at TDC of the compression stroke. If you're not sure of which stroke you're on, remove the No. 4 spark plug and hold your thumb over the hole. Pressure will be felt as the piston starts up on the compression stroke.
  5. See the illustration (lower part), then check valves (3), (5), (7) and (8). Check and adjust valve clearance as necessary.
  6. Install the cylinder head cover gasket, the cover itself and any wires or hoses which were removed. Check the engine oil level.

KA24E, VG30i and VG30E Engines
See Figures 4 and 5
These models utilize hydraulic valve lifters. Periodic adjustment is neither necessary or possible. There is however a bleed down procedure that is necessary when the valve train has been disassembled.
HYDRAULIC LIFTER BLEED DOWN
  1. Remove the cylinder head cover.
  2. Check the lifters for proper operation by pushing hard on each lifter with fingertip pressure.
  3. If the valve lifter moves more than 0.04 in. (1mm), air may be inside it. Make sure the rocker arm is not on the cam lobe when making this check.
  4. Install the cylinder head cover.
  5. If there was air in the lifters, bleed the air by running the engine at 1000 rpm for 10 minutes.


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Fig. Fig. 4: Cross-sectional view of an installed hydraulic valve lifter-4 cylinder engine


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Fig. Fig. 5: Cross-sectional view of an installed hydraulic valve lifter-6 cylinder engine

Oct 29, 2010 | 1989 Nissan Hardbody King

1 Answer

Excessive vibrations with the saddlebags on a 2008 Harley Street


Hi Melissadwhit, try removing the sissybar if you have one otherwise, the usual suspects are:
1. Wheels and or tires unbalanced, worn or damaged.
2. Eng ine/ transmission/vehicle not aligned properly.
3. Primary chain badly worn or links tight as a result of insufficient lubrication or misalignment.
4. Engine to transmission mounting bolts loose.
5. Upper engine mounting bracket loose.
6. Ignition timing incorrect/poorly tuned engine
7. Internal engine problem.
8. Broken frame
Good luck

Apr 03, 2010 | 2008 Harley Davidson FLHX Street Glide

2 Answers

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Sounds like a blown head gasket,bad valves or bad rings.If this is the only cylinder affected then the head gasket is more than likely the problem.

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1 Answer

2003 Harley Davidson FLHTCUI Electra Glide Ultra Classic idles about 1200+ and i do not know how to reduce the idle-just bought yesterday and is first one with fuel injection. How do i lower it? thanks...


You cannot, unless you have the Screamin Eagle Race Tuner (SERT) or you take it to the dealer (at about $80/hr.) Sorry I don't have better news, hope this helps.


JP

Nov 23, 2009 | 2003 Harley Davidson FLHTCUI Electra Glide...

1 Answer

Have h-d screaming eagle stock bore high compression pistons. what would be compression ratio with s-e kompressor heads # 17044-08. pistons # 22864-00 2003 fxstdi.


You are now going to be at a 10.5 CR, you cam will determine your dynamic CR. Watch your cylinder pressure as a result of your cam choice also.

JP

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