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Search: Posts Made By: Duntov85
Showing results 1 to 25 of 141
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Forum: C4 Tech/Performance
06-18-2010, 01:40 AM
Replies: 12
Views: 1,211
Posted By Duntov85

By the way. The dealerships are a headache. They...

By the way. The dealerships are a headache. They always act pissed. Is that because they are driving Aveos? I dunno.
I call the dealer with the part # and order it. Sadly, I ordered some torx bolts....
Forum: C4 Tech/Performance
06-18-2010, 01:36 AM
Replies: 12
Views: 1,211
Posted By Duntov85

Fuel feed pipe 1985 Corvette: GM 14076162 ...

Fuel feed pipe 1985 Corvette: GM 14076162
1986 Corvette: GM 14076162
1987 Corvette: GM 14076162
1988 Corvette: GM 10052171
ALL are...
Forum: C4 Tech/Performance
06-18-2010, 01:22 AM
Replies: 23
Views: 1,908
Posted By Duntov85

If a crankshaft is reground by an idiot it will...

If a crankshaft is reground by an idiot it will snap like nothing to it.
A bad/loose harmonic balancer will break a crank.

Cranks don't break that easy. Get another opinion.
Forum: C4 General Discussion
06-18-2010, 01:15 AM
Replies: 16
Views: 944
Posted By Duntov85

I run a normal temp of about 170-185. Running a...

I run a normal temp of about 170-185. Running a 160 thermostat with Hypertech Thermomaster chip for about 13 years now.

My thermostat is ventilated meaning I add a bleed hole.

Most alignment...
Forum: C4 Tech/Performance
05-28-2010, 01:18 AM
Replies: 29
Views: 1,598
Posted By Duntov85

Overheating issue

I believe the ECM controls the cooling fan through a relay on your car.

However, since you have overheated you need to take some drastic measures to change things so it doesn't happen again. There...
Forum: C4 Tech/Performance
05-20-2010, 01:59 AM
Replies: 45
Views: 3,305
Posted By Duntov85

I've been an engine builder for 20 years and have...

I've been an engine builder for 20 years and have seen this before.
Standard mains installed when it should have had .010 under mains will cause this problem. No real noise on startup. Oil pressure...
Forum: C4 Tech/Performance
04-18-2010, 11:05 PM
Replies: 8
Views: 1,806
Posted By Duntov85

Car kept dying...

Car kept dying, then died 10 times in 30 miles.

Reman AC Delco ECM had exact same problem as the original ECM. This reman ECM proved to be defective. Replaced with another reman AC Delco ECM...no...
Forum: C4 Tech/Performance
02-02-2010, 09:15 AM
Replies: 27
Views: 2,520
Posted By Duntov85

Have someone experienced with an oscilloscope...

Have someone experienced with an oscilloscope actually test the components and determine a reason for replacing stuff. Replacing things by guessing is expensive, time consuming, and aggravating.
...
Forum: C4 Tech/Performance
02-02-2010, 09:06 AM
Replies: 63
Views: 3,406
Posted By Duntov85

Bucs34: I'd had my transmission out 3 times...

Bucs34:

I'd had my transmission out 3 times so here is some sound advice.

Fluid makes a huge difference. Don't use synchromesh fluid. You will get metal flakes in the oil from the shift...
Forum: C4 Tech/Performance
02-01-2010, 09:12 AM
Replies: 8
Views: 1,806
Posted By Duntov85

Problem solved!

I got to thinking and really looked at the big picture. With the old computer I had a cylinder select error. With this reman ECm also had a code 33 once. Replaced a bunch of MAFS. Tach went a little...
Forum: C4 Tech/Performance
01-31-2010, 12:33 PM
Replies: 8
Views: 1,806
Posted By Duntov85

I tried 3 different MAFS, my original and 2...

I tried 3 different MAFS, my original and 2 remans from seperate companies. ALL acted the same.

I've tried 2 different throttle positions sensors. The throttle position sensor in there now I...
Forum: C4 Tech/Performance
01-30-2010, 09:42 PM
Replies: 8
Views: 1,806
Posted By Duntov85

Engines dies, full throttle restarts

What would cause the engine to die at part throttle while driving, but if you floor the throttle in gear it will restart? The problem is the injectors shut off but as soon as I stab the throttle to...
Forum: C4 Tech/Performance
01-17-2010, 12:36 AM
Replies: 13
Views: 1,967
Posted By Duntov85

Code 33

Now fortunately I'm getting a code to point me in the right direction. Code 33. 85 Vette w/ burnoff.
Forum: C4 Tech/Performance
01-02-2010, 05:03 PM
Replies: 41
Views: 7,683
Posted By Duntov85

If you tighten the lug nuts with a torque wrench...

If you tighten the lug nuts with a torque wrench only that will never happen.
Forum: C4 Tech/Performance
01-02-2010, 04:58 PM
Replies: 15
Views: 1,426
Posted By Duntov85

Plug in a OBDII scanner and look at the data. If...

Plug in a OBDII scanner and look at the data. If it has been running that cold, look in the valvecover for massive sludge.
Forum: C4 Tech/Performance
01-02-2010, 04:56 PM
Replies: 30
Views: 4,347
Posted By Duntov85

Adjusting TPS voltage up gives a more rich...

Adjusting TPS voltage up gives a more rich overall system. TPS voltage down gives a leaner system. If you have too much TPS voltage, you will get check engine light, normally about .62V
Forum: C5 Forced Induction/Nitrous
01-02-2010, 04:50 PM
Replies: 11
Views: 1,097
Posted By Duntov85

Going through water can bend the connecting rods....

Going through water can bend the connecting rods. Bent rods = less compression. Less compression = black plugs.

We had some flooding here about 13 years ago and had so many Toyota V6 engines...
Forum: C4 Tech/Performance
01-02-2010, 04:37 PM
Replies: 34
Views: 2,803
Posted By Duntov85

What looks like electricity "leaking" out of the...

What looks like electricity "leaking" out of the sparkplug boots where it connects to the sparkplug is normal. This phenomenon is normally seen only in very low/no light. It is know as a "corona"....
Forum: C4 Tech/Performance
01-01-2010, 04:00 PM
Replies: 13
Views: 1,967
Posted By Duntov85

I've tried both the original chip I put in...

I've tried both the original chip I put in storage back in 1997. Same difference.

I did find out that the ignition coil I put in must have the wires crossed in a way that seems wrong. The factory...
Forum: C4 Tech/Performance
12-21-2009, 02:05 AM
Replies: 13
Views: 1,967
Posted By Duntov85

I did more work today. Here is what is...

I did more work today.

Here is what is predictable. If the car shuts off while in gear and moving, floor it and it will restart. Happened 3 times now.

The problem is it's losing fuel injector...
Forum: C4 Tech/Performance
12-21-2009, 01:25 AM
Replies: 30
Views: 11,224
Posted By Duntov85

I wouldn't do it.

I wouldn't do it.
Forum: C4 Tech/Performance
12-21-2009, 01:21 AM
Replies: 0
Views: 1,311
Posted By Duntov85

Weird stall/restart. Full throttle restarts!

Ok. I've been having an intermittent dying problem. I've tried lots of things and have narrowed it down to this:

The car will die and any given time which is totally unpredictable other than it...
Forum: C4 Tech/Performance
11-09-2009, 06:46 AM
Replies: 13
Views: 1,967
Posted By Duntov85

Still having the problem. Update

OK. I have 4 LED lights wired up. Fuel pump reference signal at ECM, fuel injector pulse, MAF voltage and ignition power at the coil (ie anytime the ign key is on, I should have a light.)

When the...
Forum: C4 Tech/Performance
10-12-2009, 03:22 AM
Replies: 8
Views: 572
Posted By Duntov85

Make a tool to properly adjust the linkage. There...

Make a tool to properly adjust the linkage. There is no way you properly adjusted it with a drill bit. I used a wrench from an air tool and ground it down/narrowed it a bit. It fits snugly. You will...
Forum: C4 Tech/Performance
10-08-2009, 12:26 AM
Replies: 15
Views: 1,801
Posted By Duntov85

Well, not so fast. 200 miles later it acted up...

Well, not so fast. 200 miles later it acted up again. Shifted out of OD even. Drove 70 more miles seems more of less ok. Idle is high and returns to base idle at a very slow response time. I'm at a...
Showing results 1 to 25 of 141
 
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