| Author |
Message |
Topic: What's the point of the resonator? |
jimk
Replies: 4
Views: 298
|
Forum: General Discussion Posted: 10-4-08 07:42 Subject: Re: What's the point of the resonator? |
Resonance
When this occurs there are wave forms pulsing back and forth in the exhaust pipe from manifold to the pipe outlet at the back of the car.
Sound waves are also pressure waves. When the ... |
Topic: Jumpy temp gauge needle |
jimk
Replies: 11
Views: 334
|
Forum: General Discussion Posted: 9-22-08 11:24 Subject: Re: Jumpy temp gauge needle |
| I think you will find if you consult an electronics designer that the ground is sporatic, either in the instrument or with the grounding. With loss of ground the needle will always read hot or go hig ... |
Topic: Weber 38/38 Carb missing tuning screw |
jimk
Replies: 4
Views: 212
|
Forum: General Discussion Posted: 9-20-08 08:41 Subject: Re: Weber 38/38 Carb missing tuning screw |
| Just picked up a 38/38 carb. Looks real nice...but I think it is missing a tuning screw on the passenger side. A digram I found calls it a "Primary idle jet and holder". Is this a very specific tuning ... |
Topic: heat shield on firewall |
jimk
Replies: 3
Views: 217
|
Forum: General Discussion Posted: 9-19-08 06:54 Subject: Re: heat shield on firewall |
| It's shiney not just for good looks. It's shiney for it's reflective properties. Years ago newspapers printed on aluminun sheets (plates). I got a bunch for reflective insulation in the ceiling of ... |
Topic: Goetze brand piston ring question |
jimk
Replies: 9
Views: 400
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Forum: General Discussion Posted: 9-19-08 06:46 Subject: Re: Goetze brand piston ring question |
| Be very careful that the ends of the expander do not overlap. If they are out of place, it WILL gouge the cylinder wall. (Been there). My original engine is sitting on a stahd now with a gouge in t ... |
Topic: Clutch slave cylinder on a 73 2002 |
jimk
Replies: 8
Views: 233
|
Forum: General Discussion Posted: 9-14-08 06:46 Subject: Re: Clutch slave cylinder on a 73 2002 |
| The slave cylinder in the photo is installed upside down. Bleeder valve should be at the bottom. Internal drilling vents the top. |
Topic: calling jimk |
jimk
Replies: 3
Views: 156
|
Forum: General Discussion Posted: 9-12-08 07:17 Subject: Re: calling jimk |
| Do you have any photo's of where the IAC fits into the system. Thats really the only part that confuses me. I have also be doing something the same way but doing it as individual pipes that connect in ... |
Topic: calling jimk |
jimk
Replies: 3
Views: 156
|
Forum: General Discussion Posted: 9-11-08 04:47 Subject: Re: calling jimk |
Hi,
I built an air pipe manifold using a hard copper tube with individual 1/4" runners to each ITB. Have to keep the 1/4" lines short or they will not pass enough air. If you can find bigger ones, ... |
Topic: Zinc in oil cutoff date? |
jimk
Replies: 10
Views: 447
|
Forum: General Discussion Posted: 9-7-08 06:49 Subject: Re: Zinc in oil cutoff date? |
| Instead of the starburst, look for this on the label. |
Topic: opening up an intake manifold- good/bad/pointless? |
jimk
Replies: 5
Views: 257
|
Forum: General Discussion Posted: 9-7-08 06:40 Subject: Re: opening up an intake manifold- good/bad/pointless? |
| Match the hole size at the base of the carb and taper it out as you go down. The step at the end is unavoidable. Larger taper angles cause eddies along the wall, just like you see in water in an exp ... |
Topic: How many CFMs do I need in an electric fan? |
jimk
Replies: 9
Views: 346
|
Forum: General Discussion Posted: 9-3-08 10:30 Subject: Re: How many CFMs do I need in an electric fan? |
| Rapidcool 14", as per their catalog for the 4 cyl BMW, I believe it is 1400 cfm. |
Topic: opening up an intake manifold- good/bad/pointless? |
jimk
Replies: 5
Views: 257
|
Forum: General Discussion Posted: 8-29-08 08:06 Subject: Re: opening up an intake manifold- good/bad/pointless? |
pointless! It causes a "sudden expansion pressure loss effect". Many have done it but never have any numbers (relative to pressure loss) to convince themselves of the mistake in doing it.
Referen ... |
Topic: wheel question |
jimk
Replies: 2
Views: 288
|
Forum: General Discussion Posted: 8-21-08 11:37 Subject: Re: wheel question |
i'm currently running the bbs basket weave rims 4x100 14x16.5, im looking at some new options, i think the offset of them is 34, but where is the offset of the rim measured from? ........
See http: ... |
Topic: Copper oil lines |
jimk
Replies: 7
Views: 353
|
Forum: General Discussion Posted: 8-14-08 04:11 Subject: Re: Copper oil lines |
| I just don't like seeing barb fittings with some kind of rubber tubing for the return line. Sure they would take vibration, but the connections are not as secure as compression or flare. I'll probab ... |
Topic: Real OEM has got me confused + a call to parts-car hoarders |
jimk
Replies: 3
Views: 444
|
Forum: General Discussion Posted: 8-14-08 06:04 Subject: Re: Real OEM has got me confused + a call to parts-car hoarders |
| The arm on the steering sector (steering box) is the "pitman arm". The link connected to it is the "drag link" (it drags the steering around). The idler arm is on the passenger's side connected to t ... |
Topic: Copper oil lines |
jimk
Replies: 7
Views: 353
|
Forum: General Discussion Posted: 8-14-08 05:57 Subject: Re: Copper oil lines |
| If you mount them firmly then they will probably be ok. Be aware though, there times when the engine sends out vibration pulses that you don't even notice, but some equipment starts to resonate just ... |
Topic: Copper oil lines |
jimk
Replies: 7
Views: 353
|
Forum: General Discussion Posted: 8-13-08 07:34 Subject: Re: Copper oil lines |
| Ever wonder why production cars don't use copper? It work hardens as it vibrates, then it cracks. You would loose all the oil. |
Topic: Zinc in oil cutoff date? |
jimk
Replies: 10
Views: 447
|
Forum: General Discussion Posted: 8-7-08 11:29 Subject: Re: Zinc in oil cutoff date? |
There is a lot of talk about this topic, everywhere.
One thing is for sure --- Redline oils have much higher ZDDP content, and are an excellent choice for our cars.
How much more?
Here is a l ... |
Topic: Zinc in oil cutoff date? |
jimk
Replies: 10
Views: 447
|
Forum: General Discussion Posted: 8-6-08 03:23 Subject: Re: Zinc in oil cutoff date? |
Kenny,
I will try to answer as many of you questions as I feel qualified.
In a recent post about synthetic oil, Toby mentioned the reduced zinc additive. Some of us (me) have quite a bit of previ ... |
Topic: WTB: 318i Intake Manifold |
jimk
Replies: 2
Views: 173
|
Forum: Parts Wanted Posted: 8-6-08 11:24 Subject: Re: WTB: 318i Intake Manifold |
| You Still Need? |
Topic: XDI IGNITION SYSTEM. |
jimk
Replies: 3
Views: 231
|
Forum: General Discussion Posted: 8-6-08 05:56 Subject: Re: XDI IGNITION SYSTEM. |
| Use a TecIII which includes all the elements of the XDI. If you want more user info on XDI go to http://electromotivetec.freeforums.org/ |
Topic: JimK Synthetic Oil ?? |
jimk
Replies: 3
Views: 279
|
Forum: General Discussion Posted: 8-5-08 11:16 Subject: Re: JimK Synthetic Oil ?? |
No harm, but as the previous poster stated, the additive packages are different between oils as well as base stock and to the chemist will not perform as they expect.
You might want to just check t ... |
Topic: Dancing Ball in Bell housing in my 76 02 |
jimk
Replies: 10
Views: 396
|
Forum: General Discussion Posted: 8-5-08 09:49 Subject: Re: Dancing Ball in Bell housing in my 76 02 |
| At 1400rpm, it is not at full mechanical advance, i.e. the fly weights are moving out still against the springs. So you might make sure the advance plate and weight pivots are not sticky. If the ass ... |
Topic: Engine block storage question |
jimk
Replies: 6
Views: 256
|
Forum: General Discussion Posted: 8-4-08 11:20 Subject: Re: Engine block storage question |
| You can put a reasonalbly thick layer of grease on the critical surfaces (cylinder walls, crank journals etc) or get some Amsoil Heavy Duty MP and spray it on. Both come off easily with mineral solve ... |
Topic: fuel delivery |
jimk
Replies: 15
Views: 531
|
Forum: General Discussion Posted: 7-31-08 03:44 Subject: Re: fuel delivery |
| With the air cleaner off, stroke the throttle and watch down the throat for the accelerator pump squirt. Most probable cause on starting if there has been no ignition change. |
Topic: fuel delivery |
jimk
Replies: 15
Views: 531
|
Forum: General Discussion Posted: 7-31-08 03:37 Subject: Re: fuel delivery |
| With the air cleaner off, stroke the throttle and watch down the throat for the accelerator pump squirt. Most probable cause on starting if there has been no ignition change. |
Topic: fuel delivery |
jimk
Replies: 15
Views: 531
|
Forum: General Discussion Posted: 7-31-08 03:31 Subject: Re: fuel delivery |
| With the air cleaner off, stroke the throttle and watch down the throat for the accelerator pump squirt. Most probable cause on starting if there has been no ignition change. |
Topic: Water pump replacement how to?? |
jimk
Replies: 5
Views: 200
|
Forum: General Discussion Posted: 7-29-08 12:18 Subject: Re: Water pump replacement how to?? |
... (I know I could knock it out myself but my garage is so damn hot that I'm having trouble finding the motivation to work on the 2002):)
TIA...jeff D
Start time 4:00AM
Finish time 8:00AM
... |
Topic: MTL redline gear oil |
jimk
Replies: 5
Views: 349
|
Forum: General Discussion Posted: 7-26-08 07:00 Subject: Re: MTL redline gear oil |
Go back to ATF. It worked for you.
Any synthetic 90 is the same viscosity as a dino 90 at 100C, the rating temp. Sure it is thinner in the bottle as you look at it, that't it's advantage, it does ... |
Topic: Speedometer Markings |
jimk
Replies: 12
Views: 478
|
Forum: General Discussion Posted: 7-16-08 10:35 Subject: Re: Speedometer Markings |
How about knowing how it is determined, then you never need to scratch for the answer!
It is the number of cable turns per mile. So take your driveshaf turns per mile and divide by the speedometer ... |
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