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Search: Posts Made By: Kevin Johnson
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Forum: Transmissions and Drivetrain
09-04-2006, 06:31 PM
Replies: 1
Views: 1,725
Posted By Kevin Johnson

700r4 slow to first engage when cold

We have a 91 RS and when the car has been sitting overnight it will take a long time of letting it idle before it will "catch" and put a load on the drivetrain. More than a minute if I don't rev it...
Forum: Transmissions and Drivetrain
09-04-2006, 06:25 PM
Replies: 5
Views: 948
Posted By Kevin Johnson

We had a slightly bent rear wheel on our 91 rs --...

We had a slightly bent rear wheel on our 91 rs -- took a while to figure out that was the problem.
Forum: TBI
06-16-2004, 03:04 PM
Replies: 47
Views: 4,643
Posted By Kevin Johnson

LOL! Just walked in the door from a trip to...

LOL! Just walked in the door from a trip to Pensacola returning a borrowed engine.

No, never heard anything back from Mr. Vizard. In the meantime my wife and I started a small business making...
Forum: Tech / General Engine
12-18-2002, 04:40 AM
Replies: 78
Views: 25,578
Posted By Kevin Johnson

JokerRS, hope you don't mind me commenting here. ...

JokerRS, hope you don't mind me commenting here.

Benny, a long way back in this thread I think the point was made that if you don't want to take the time to do the modification correctly and...
Forum: Tech / General Engine
12-17-2002, 02:04 AM
Replies: 78
Views: 25,578
Posted By Kevin Johnson

You're not pissing anybody off (I don't think?);...

You're not pissing anybody off (I don't think?); I think you just have a certain idea of "stockness" or "rightness."

I guess I have removed a few too many stock parts off cars of many makes and...
Forum: TBI
12-01-2002, 09:01 PM
Replies: 47
Views: 4,643
Posted By Kevin Johnson

Tim, I composed an email to Mr. Vizard with...

Tim,

I composed an email to Mr. Vizard with your questions. I hope to hear back from him.

Kevin
Forum: TBI
12-01-2002, 05:14 PM
Replies: 47
Views: 4,643
Posted By Kevin Johnson

"Repeat the experiment. I encourage you. Find...

"Repeat the experiment. I encourage you. Find some bone stock 83-85 Z28s with the L69 setup and let'r rip. Read up about what "between subjects and within subjects" means in experimental science and...
Forum: TBI
12-01-2002, 09:06 AM
Replies: 47
Views: 4,643
Posted By Kevin Johnson

Excellent point. Replication is always good to...

Excellent point. Replication is always good to add power to a result and to doublecheck the protocol. (I am actually running a replication of a 1970s experiment right now.) And we don't know the...
Forum: TBI
12-01-2002, 08:31 AM
Replies: 47
Views: 4,643
Posted By Kevin Johnson

HUH? C'mon. This is getting old real fast. ...

HUH?

C'mon. This is getting old real fast. :o

"...A good example of this can be found on carbureted Z-28s from about 1983 to 1985. The filter case has two relatively unrestrictive ducts...
Forum: TBI
11-30-2002, 11:41 AM
Replies: 47
Views: 4,643
Posted By Kevin Johnson

:p Yeah, right. When you get...

:p

Yeah, right.




When you get to the point of reading what I quoted then I might worry about saving face:

"...A good example of this can be found on carbureted Z-28s from about 1983 to...
Forum: TBI
11-30-2002, 04:15 AM
Replies: 47
Views: 4,643
Posted By Kevin Johnson

Yes, certainly you can structure a...

Yes, certainly you can structure a counter-example outside the parameters of the original experiment. But then it is not strictly a counter-example to that experiment, is it?

Why not be fair and...
Forum: TBI
11-30-2002, 03:42 AM
Replies: 47
Views: 4,643
Posted By Kevin Johnson

Here are David Vizard's credentials; they look...

Here are David Vizard's credentials; they look pretty impressive to me. Yes, I am willing to trust a controlled experiment he cited. Just call me odd.
...
Forum: Carburetors
11-29-2002, 06:36 PM
Replies: 11
Views: 1,026
Posted By Kevin Johnson

Yes, that is a good conjecture. Low cruising RPM...

Yes, that is a good conjecture. Low cruising RPM combined with the radiant heat from the motor. But I would take the cue from your work mate. Presumably he is driving in the same conditions you...
Forum: TBI
11-29-2002, 04:18 PM
Replies: 47
Views: 4,643
Posted By Kevin Johnson

[/B] "Graceful" would be re-reading the...

[/B]

"Graceful" would be re-reading the original post and discovering that the test specifically deals with 1/4 mile drag racing. You are thinking about the second reference I cited.

Later,
...
Forum: Carburetors
11-29-2002, 04:12 PM
Replies: 11
Views: 1,026
Posted By Kevin Johnson

That's wonderful! Here's a link that talks...

That's wonderful!

Here's a link that talks about automobile carb icing in Canada:

http://w3.one.net/~watscarb/carb_icing.htm

Also, if you do a search, you'll get lots of hits regarding...
Forum: TBI
11-29-2002, 06:17 AM
Replies: 47
Views: 4,643
Posted By Kevin Johnson

[/B] That is an interesting position to hold...

[/B]

That is an interesting position to hold but unfortunately it is exactly the one disproved by the test. To find out whether that was correct they ran the test: It's not.

Look, Slade's...
Forum: Carburetors
11-29-2002, 05:53 AM
Replies: 11
Views: 1,026
Posted By Kevin Johnson

I think there are a lot of places where the...

I think there are a lot of places where the problem could occur. It is easy (for me, for example) to forget all about snow being an issue in driving because I live just below the frost line in...
Forum: Tech / General Engine
11-28-2002, 09:28 AM
Replies: 38
Views: 1,607
Posted By Kevin Johnson

Ok, found a bit more info re Wal-Mart SuperTech...

Ok, found a bit more info re Wal-Mart SuperTech filters. They run about $2 each and "are made by Champion Laboratories who make Mobil One and Bosch filters and also some automaker brands. While they...
Forum: TBI
11-28-2002, 09:16 AM
Replies: 47
Views: 4,643
Posted By Kevin Johnson

[/B] Yes, those are good ideas. Another...

[/B]

Yes, those are good ideas. Another would be to isolate a large area around the element (air box) and have that open into a high pressure zone. This could also be faced with radiant heat...
Forum: Tech / General Engine
11-28-2002, 07:57 AM
Replies: 17
Views: 9,774
Posted By Kevin Johnson

Be careful what you pour down the passages. Oven...

Be careful what you pour down the passages. Oven cleaner is fine for iron heads off the vehicle but it will destroy aluminum heads and pistons in short order. I didn't mean to imply that you should...
Forum: Tech / General Engine
11-28-2002, 04:56 AM
Replies: 15
Views: 526
Posted By Kevin Johnson

A quick and inexpensive way to fairly evenly...

A quick and inexpensive way to fairly evenly smooth minor imperfections in the port:

[Use a die grinder for this; Hobbyist Dremel doesn't really have the torque you'll need nor thick enough...
Forum: Tech / General Engine
11-28-2002, 04:30 AM
Replies: 38
Views: 1,607
Posted By Kevin Johnson

Wal-mart house brand filters are dirt cheap ($3...

Wal-mart house brand filters are dirt cheap ($3 or less, I think) and seem to work well. It would be interesting to find out who private labels for them. Might be a big name brand (not Fram, I'm...
Forum: Tech / General Engine
11-28-2002, 04:25 AM
Replies: 3
Views: 536
Posted By Kevin Johnson

Re: non-fbody: how to check for a slipped timing belt

I just got done pulling and rebuilding the three-cylinder version of the Metro four. I believe the timing belt assembly is the same (?). I gotta tell you, yes, it is a PITA to pull the cover but in...
Forum: Tech / General Engine
11-28-2002, 04:07 AM
Replies: 17
Views: 9,774
Posted By Kevin Johnson

When I was selling industrial chemicals out West,...

When I was selling industrial chemicals out West, I and the other tech reps convinced a lot of formulators to switch over to the corresponding propylene based solvents (we sold EB/Butyl too but the...
Forum: Tech / General Engine
11-28-2002, 04:01 AM
Replies: 17
Views: 9,774
Posted By Kevin Johnson

This can really be a problem. I had an 024 Omni...

This can really be a problem. I had an 024 Omni back in the early 1980s with the VW Rabbit motor. There was a known problem with the valve seals and -- WOW -- what a mess it made under both the...
Forum: TBI
11-28-2002, 03:52 AM
Replies: 2
Views: 415
Posted By Kevin Johnson

https://www.thirdgen.org/techbb2/showthread.php?s=...

https://www.thirdgen.org/techbb2/showthread.php?s=&threadid=42263&highlight=forced+induction+tbi

I'm sure you will get more hits with a search. HTH
Forum: TBI
11-28-2002, 03:24 AM
Replies: 47
Views: 4,643
Posted By Kevin Johnson

There is no doubt that an open element is...

There is no doubt that an open element is cheaper. It has been my impression, and you mention, that cost and complexity (including ease of maintainance) are major concerns. A complete new L69 setup...
Forum: TBI
11-28-2002, 02:55 AM
Replies: 47
Views: 4,643
Posted By Kevin Johnson

I don't think I am missing the point in this...

I don't think I am missing the point in this particular question. With this car (thirdgen Z28 Camaro with a stock hood) someone took a lot of time to quantitatively measure whether the L69 setup...
Forum: Carburetors
11-27-2002, 04:50 PM
Replies: 11
Views: 1,026
Posted By Kevin Johnson

Re: A question for anyone with the Edlebrock open element air cleaner

A good compromise might be to use the stock air-cleaner housing with a taller 3 1/2" element. The lid you'll need is quite common and cheap and even if you couldn't find it in England, it shouldn't...
Forum: TBI
11-27-2002, 03:12 AM
Replies: 47
Views: 4,643
Posted By Kevin Johnson

Here is an interesting bit of information for the...

Here is an interesting bit of information for the people who still think open elements work better than dual snorkels with cold air intakes on third-gen Camaros:

"...A good example of this can be...
Forum: Tech / General Engine
11-19-2002, 01:56 AM
Replies: 7
Views: 488
Posted By Kevin Johnson

Wild guess, mind you, but it might be that the...

Wild guess, mind you, but it might be that the positive terminal did not ever have a good connection and at some point began to arc. Arcing generates a lot of heat and could easily melt a lead...
Forum: TBI
10-24-2002, 11:17 PM
Replies: 25
Views: 5,447
Posted By Kevin Johnson

My guess is that the ram air systems would double...

My guess is that the ram air systems would double that hp increase at speed. When I and my friends were teens we would just flip the air cleaner lid on V8s and make our own instant "open element"...
Forum: TBI
10-23-2002, 09:11 PM
Replies: 25
Views: 5,447
Posted By Kevin Johnson

Air cleaner system

I finally collected all the parts again :hail: and fabricated a duplicate (bit nicer, of course) of the system I have been running.

:rockon:
...
Forum: Cooling
10-19-2002, 07:30 AM
Replies: 8
Views: 664
Posted By Kevin Johnson

There may secondary reasons but I think the...

There may secondary reasons but I think the primary one is because you are removing an additional heat source (additional as in additional to the engine itself) from the radiator cooling system. An...
Forum: Power Adders
10-16-2002, 05:48 AM
Replies: 30
Views: 2,088
Posted By Kevin Johnson

I guess I am not getting it. I don't see turbos...

I guess I am not getting it. I don't see turbos as being that problematic.

The "low pressure unit" on the Chrysler is comparable to the stock
boost level on the G-Lader (G60) supercharger. The...
Forum: Power Adders
10-15-2002, 01:35 PM
Replies: 30
Views: 2,088
Posted By Kevin Johnson

Check out the turbos that Chrysler used on its...

Check out the turbos that Chrysler used on its 2.2 and 2.5 liter motors back in the late 80s and early 90s. Very, very common for them to go 100,000 miles plus without a rebuild. We just sold our...
Forum: Cooling
10-15-2002, 01:20 PM
Replies: 8
Views: 664
Posted By Kevin Johnson

An external oil cooler will really help keep an...

An external oil cooler will really help keep an engine cool. Might be something to consider as well?
Forum: Cooling
10-15-2002, 03:52 AM
Replies: 8
Views: 664
Posted By Kevin Johnson

It sounds like you have a puller fan that is...

It sounds like you have a puller fan that is normally mounted (close to the radiator). The hot air that is pulled through by the fan will not really help cool down your motor. The heat is already...
Forum: TBI
10-13-2002, 01:21 AM
Replies: 25
Views: 5,447
Posted By Kevin Johnson

Someone always seems to snag those L69 assemblies...

Someone always seems to snag those L69 assemblies before me! :p

Beautiful job! :nod:
Forum: Tech / General Engine
10-12-2002, 11:51 PM
Replies: 1
Views: 411
Posted By Kevin Johnson

Look in the TBI archives for a how-to... ...

Look in the TBI archives for a how-to...

Retains the stock sensors, preheated air, etc.
Forum: Tech / General Engine
10-12-2002, 11:42 PM
Replies: 1
Views: 602
Posted By Kevin Johnson

If they already have the bung there I would just...

If they already have the bung there I would just open it up and use it. Some other threads have mentioned using a heated O2 sensor with headers. I know a search brings up a lot of hits on the topic.
Forum: TBI
10-12-2002, 11:17 PM
Replies: 25
Views: 5,447
Posted By Kevin Johnson

Flipflop, look up the thread where I show how to...

Flipflop, look up the thread where I show how to make a dual snorkle air cleaner for my 91 RS V8. It clears the factory air with no problem and has cold ram air to boot. Almost looks stock too! ;)...
Forum: Cooling
10-12-2002, 05:08 AM
Replies: 25
Views: 6,651
Posted By Kevin Johnson

“The important thing about anyone seen the bottom...

“The important thing about anyone seen the bottom hose collapsing when the engine is hot is it means the system is not getting up to pressure. That is most probably due to either air in the system or...
Forum: Tech / General Engine
10-11-2002, 02:39 AM
Replies: 3
Views: 544
Posted By Kevin Johnson

Re-using a head gasket could cause overheating if...

Re-using a head gasket could cause overheating if the high pressure combustion gases are leaking into the coolant (bad sealing). You can buy a kit to check for the presence of these gases in the...
Forum: Cooling
10-10-2002, 06:42 PM
Replies: 25
Views: 6,651
Posted By Kevin Johnson

Forgot...

Here is a good general web reference on automotive cooling systems. It appears to be a 37 page chapter from a Navy automotive training text.
...
Forum: Cooling
10-10-2002, 06:39 PM
Replies: 25
Views: 6,651
Posted By Kevin Johnson

Yikes... Just spent a couple hours reading a few...

Yikes... Just spent a couple hours reading a few hundred references on the web.

High rpm engine operation can yield coolant flow pressures in excess of 30 psi on the 'high' side of an automotive...
Forum: Cooling
10-09-2002, 01:34 AM
Replies: 25
Views: 6,651
Posted By Kevin Johnson

I am thinking, offhand, that you are...

I am thinking, offhand, that you are over-idealizing the system. In the described closed system, all that is required for the suction hose to shrink is for another (or others) to commensurately...
Forum: TBI
10-08-2002, 11:40 PM
Replies: 56
Views: 1,904
Posted By Kevin Johnson

Kingtal0n: Heres a few questions: If a drop...

Kingtal0n:
Heres a few questions:
If a drop in manifold vacuum supposedly reduces fuel vaporazation, Then under a forced induction state of higher-than-atmospheric-pressure what happens to the...
Forum: Tech / General Engine
10-03-2002, 01:37 AM
Replies: 2
Views: 1,199
Posted By Kevin Johnson

Get some valve lapping paste and lap them in...

Get some valve lapping paste and lap them in lightly. If you don't see a continuous light grey band through the rusted areas then you should have the seats and/or valves touched up.

I use a very...
Forum: Tech / General Engine
10-02-2002, 05:57 PM
Replies: 8
Views: 507
Posted By Kevin Johnson

Do a search with: headers o2 heated a bunch...

Do a search with: headers o2 heated

a bunch of hits came up with instructions and part numbers, etc.
Showing results 1 to 50 of 297
 
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