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Search: Posts Made By: kaiser
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Forum: C4 Tech/Performance
12-04-2008, 08:35 PM
Replies: 19
Views: 1,270
Posted By kaiser

Some pump ratings are here (when in NEW...

Some pump ratings are here (when in NEW condition):
http://www.gnttype.org/techarea/fuelsystem/pmprate.html

Some relative HP/gph estimates are here: ...
Forum: C4 Tech/Performance
10-20-2008, 01:07 PM
Replies: 6
Views: 623
Posted By kaiser

Uh, maybe you should ask for help from someone...

Uh, maybe you should ask for help from someone who knows about cars. :)
Forum: C4 Tech/Performance
09-02-2008, 09:20 PM
Replies: 4
Views: 468
Posted By kaiser

You need to check your service manual. Not sure...

You need to check your service manual. Not sure about '92, but GM used to be
quite strict about NOT running the tank dry. Reason: the in-tank pump was at
one time a Vickers-type or Vane pump...
Forum: C4 Tech/Performance
08-18-2008, 11:07 PM
Replies: 3
Views: 673
Posted By kaiser

I had a similar need a few years ago. Here are...

I had a similar need a few years ago. Here are some notes I made on a dual-sensor
I found that fits the hole in the intake manifold. The sense elements are close
enough for tuning work. Don't...
Forum: C4 Tech/Performance
08-12-2008, 04:49 PM
Replies: 8
Views: 1,479
Posted By kaiser

Depending on the year, GM bins include a 'lean...

Depending on the year, GM bins include a 'lean cruise' routine in the basic
ECM program. It was not EPA-approved, so it was not activated in US cars.
However the code is there, and just needs to...
Forum: C4 Tech/Performance
06-25-2007, 02:09 PM
Replies: 69
Views: 26,552
Posted By kaiser

Here is the code for the later 8D mask. You...

Here is the code for the later 8D mask. You might want to check what mask you are running for something similar:
http://forums.corvetteforum.com/showthread.php?t=556467
Forum: C4 Tech/Performance
06-05-2007, 07:43 AM
Replies: 3
Views: 564
Posted By kaiser

1. Use your scanner to record MAP before engine...

1. Use your scanner to record MAP before engine start. You should see ~100 kpa near sea-level.

2. Find a road where you can hold WOT in second gear for 5-10 seconds. Record the MAP @ ~5K...
Forum: Engine Mods
05-24-2007, 02:10 PM
Replies: 6
Views: 2,054
Posted By kaiser

Can't help with the heads, never used them. ...

Can't help with the heads, never used them.


Re the intakes and computer control for FI:

Individual runner intakes are great to look at, but IMO don't make much sense for a street car. ...
Forum: C4 Tech/Performance
03-05-2007, 09:00 PM
Replies: 13
Views: 767
Posted By kaiser

Uh, L-98 only had an O2 sensor on the left...

Uh, L-98 only had an O2 sensor on the left header. Won't tell you a thing about
the right cylinders, no matter what loop it's in. And if the engine starts up
with a big air leak on the left...
Forum: C4 Tech/Performance
12-22-2006, 08:09 PM
Replies: 11
Views: 801
Posted By kaiser

You could try using the 'Search' button. For...

You could try using the 'Search' button. For example:
http://forums.corvetteforum.com/showthread.php?t=1286666
Forum: C4 Tech/Performance
12-15-2006, 02:22 PM
Replies: 10
Views: 4,945
Posted By kaiser

There's nothing to be an expert about.:) Look at...

There's nothing to be an expert about.:) Look at the caliper - each pad is reacting one end of the piston bores, and is constrained by the rotor surface. Thus the clamping force is fluid pressure...
Forum: C4 Tech/Performance
12-14-2006, 10:59 PM
Replies: 10
Views: 4,945
Posted By kaiser

Don't forget the PBR-type sliding calipers use...

Don't forget the PBR-type sliding calipers use BOTH ends of the piston bore to apply grip. Thus the effective piston area - in terms of hydraulic pressure - is double the face area calculated above....
Forum: Autocrossing & Roadracing
12-06-2006, 08:58 PM
Replies: 8
Views: 567
Posted By kaiser

There was some discussion of suspension...

There was some discussion of suspension engineering here about a year ago:
http://forums.corvetteforum.com/showthread.php?t=1224152

For the basic equations of weight transfer, you need to look...
Forum: C4 Tech/Performance
08-19-2006, 11:29 PM
Replies: 7
Views: 544
Posted By kaiser

It's not exactly GM engineering, but see the line...

It's not exactly GM engineering, but see the line size discussion here:

http://www.gnttype.org/techarea/fuelsystem/Returnlinearticle.html
Forum: C4 Tech/Performance
04-11-2006, 01:52 PM
Replies: 21
Views: 7,801
Posted By kaiser

1. Uh, FYI the WHOLE car is made of PLASTIC -...

1. Uh, FYI the WHOLE car is made of PLASTIC - been that way for 50 years or so. It's not easy to keep up with all this fast-changing modern technology.

2. You'll be really unhappy when you...
Forum: C4 Tech/Performance
04-11-2006, 04:42 AM
Replies: 21
Views: 7,801
Posted By kaiser

1. A true ZZ4 engine would typically have...

1. A true ZZ4 engine would typically have shipped from GM with a plastic timing cover. The new cover style features an integral rubber oil seal and o-ringed fasteners. It's pretty robust, easier...
Forum: C4 Tech/Performance
04-08-2006, 09:15 PM
Replies: 12
Views: 1,844
Posted By kaiser

You might try looking up the terms - ...

You might try looking up the terms -
'Deceleration Enleanment (DE)' or
'Deceleration Fuel Cut Off (DFCO)'
- say in the TC Manual or the Tuning Guides on TGO.

There are also guides there (and...
Forum: C4 Tech/Performance
02-16-2006, 08:27 AM
Replies: 9
Views: 706
Posted By kaiser

You're welcome. The 94-95 PCMs are similar to,...

You're welcome. The 94-95 PCMs are similar to, but with a little less installed memory than, the '96 model. I'm not really familiar with the differences in programs between those years. You may...
Forum: C4 Tech/Performance
02-15-2006, 10:47 PM
Replies: 9
Views: 706
Posted By kaiser

If you're talking about an LT4 engine and PCM...

If you're talking about an LT4 engine and PCM combination that has been installed in your '64, then you have a '96 PCM.

IIRC, late model PCMs are setup to run both a MAF and MAP calibration in...
Forum: C4 Tech/Performance
11-12-2005, 09:59 PM
Replies: 7
Views: 465
Posted By kaiser

There are some dimensions in this thread- ...

There are some dimensions in this thread-
http://forums.corvetteforum.com/showthread.php?t=1224152&forum_id=23

They may help.
Forum: C4 Tech/Performance
07-03-2005, 10:52 AM
Replies: 12
Views: 766
Posted By kaiser

Is the coil pack bolted to the valve cover, or is...

Is the coil pack bolted to the valve cover, or is there another support bracket involved? The coils seem to be a little heavy just to hang on the VC, and I can't tell from the pix if there is an...
Forum: Autocrossing & Roadracing
06-13-2005, 09:17 PM
Replies: 18
Views: 643
Posted By kaiser

gmpartsdirect.com

I waited nearly 3 weeks for a shift cable from those clowns, earlier this spring. Unable to get any info from partsdirect I got frustrated and called Superior Chevrolet. Superior was about the same...
Forum: C4 Tech/Performance
04-22-2005, 07:54 AM
Replies: 7
Views: 429
Posted By kaiser

If the injectors & O2 sensors are new - and the...

If the injectors & O2 sensors are new - and the ignition is working OK - I'd go back to looking for vacuum leaks. Then I'd take a hard look at the MAF sensor. On an engine that old I'd also do a...
Forum: C4 Tech/Performance
04-21-2005, 12:37 PM
Replies: 14
Views: 605
Posted By kaiser

From the TTS site you can download/install the...

From the TTS site you can download/install the software version that matches your car. Datamaster runs under Win, and can be used to display your Diacom recordings. In fact it's diaplay & graphing...
Forum: C4 Tech/Performance
04-21-2005, 12:24 PM
Replies: 7
Views: 429
Posted By kaiser

There are several possibilities- among them: 1....

There are several possibilities- among them:
1. Vacuum leak
2. Replacement injectors were wrong size
3. Need new O2 sensors

Running lean and knock counts go together.
Showing results 1 to 25 of 135
 
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