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Forum: General Chat
04-07-2021, 02:42 PM
Replies: 1
Views: 121
Posted By 2001ZR2

Most "Cold" air intakes for this truck are not...

Most "Cold" air intakes for this truck are not very effective as most have an open element pulling air for the engine bay which is hotter than the atmosphere. My sons truck had one so bad the intake...
Forum: General Chat
04-06-2021, 11:12 PM
Replies: 13,744
Views: 1,069,759
Posted By 2001ZR2

https://cimg7.ibsrv.net/gimg/blazerforum.com-vbull...

https://cimg7.ibsrv.net/gimg/blazerforum.com-vbulletin/2000x1504/20210404_114359_efb17bd18afee20606d639d62287fc92d2194779.jpg
At Deweys bridge near Moab UT

I drove the truck about 3500 miles with...
04-06-2021, 08:07 PM
Replies: 13
Views: 424
Posted By 2001ZR2

I used the sunroofdoctor.com and they were fast...

I used the sunroofdoctor.com and they were fast and knowledgeableabout fixing my sunroof on my 2001
04-05-2021, 07:43 PM
Replies: 6
Views: 364
Posted By 2001ZR2

Other thought does the fuel gauge work right? My...

Other thought does the fuel gauge work right? My ZR2 it reads lower than the actual level.
04-05-2021, 07:41 PM
Replies: 6
Views: 364
Posted By 2001ZR2

Having seen issues like this in both a 4.3 and...

Having seen issues like this in both a 4.3 and 4.2 engine. Check the fuel pressure the ECM will compensate for a failing fuel pump and with small leaks the engine won't set a code.
Using a scanner...
03-20-2021, 07:51 AM
Replies: 43
Views: 2,494
Posted By 2001ZR2

The old adage of what did you break when you...

The old adage of what did you break when you fixed something else applies here. I removed the spark plugs and wires for removal and reinstall of the headers. I now believe the spider was an issue at...
03-19-2021, 05:22 AM
Replies: 43
Views: 2,494
Posted By 2001ZR2

I hope to get the truck back this evening and can...

I hope to get the truck back this evening and can give you updated fuel trims. Those were before I changed the spider which was leaking. Also that was when I only had 9 of the 10 upper manifold hold...
03-18-2021, 08:41 PM
Replies: 43
Views: 2,494
Posted By 2001ZR2

Before the spider replace ment at idle rpm of...

Before the spider replace
ment at idle rpm of 622 had fuel trims of
3.1 ltft bank 1
1.6 ltft bank 2
-0.8 stft bank 1
0.0 stft bank2

At 2266
2.3 ltft bank 1
0.8 lftf bank 2
03-17-2021, 07:24 PM
Replies: 43
Views: 2,494
Posted By 2001ZR2

I didn't see anything wrong with the plugs when I...

I didn't see anything wrong with the plugs when I had them out for the header removal and reinstall. Yes I realize one can be gas fouled and not appear all that different.

What I need to find is...
03-16-2021, 09:34 AM
Replies: 43
Views: 2,494
Posted By 2001ZR2

V8449 I agree with you but I have replaced the...

V8449 I agree with you but I have replaced the plugs, plug wires, cap and rotor, distributor and the ignition coil.

The distributor had a cracked ear and could only be corrected to -9.7 CMP...
03-15-2021, 10:09 PM
Replies: 3
Views: 176
Posted By 2001ZR2

Should be for the air pump

Should be for the air pump
03-15-2021, 10:08 PM
Replies: 43
Views: 2,494
Posted By 2001ZR2

I replaced the distributor after it jumped time...

I replaced the distributor after it jumped time for the 2nd time. Summit replaced it without issue.

This past weekend I decided to fire the parts cannon at the problem. I purchased an AC Delco...
03-15-2021, 08:42 PM
Replies: 43
Views: 2,494
Posted By 2001ZR2

I haven't solved this but one the SES light went...

I haven't solved this but one the SES light went out and truck ran fine.
Working on issues decided to address the exhaust leak on the passenger side

Found this...
02-24-2021, 05:44 PM
Replies: 49
Views: 7,944
Posted By 2001ZR2

Tom how tight are the fans to your engine?

Tom how tight are the fans to your engine?
02-24-2021, 05:43 PM
Replies: 49
Views: 7,944
Posted By 2001ZR2

I had a fab shop make the brackets for $40 and I...

I had a fab shop make the brackets for $40 and I used a fan controller and wire it up per the instruction off the battery and off of the fuse block under hood.

The fit of the fans is too tight...
02-24-2021, 03:45 PM
Replies: 49
Views: 7,944
Posted By 2001ZR2

https://cimg1.ibsrv.net/gimg/blazerforum.com-vbull...

https://cimg1.ibsrv.net/gimg/blazerforum.com-vbulletin/2000x1504/20210224_153337_3e0aeb611571bccd6111fdbc6779b8bb82dff34b.jpg
A close up of the bracket...
02-21-2021, 07:08 PM
Replies: 49
Views: 7,944
Posted By 2001ZR2

I am thinking about a rivet insert nut but the...

I am thinking about a rivet insert nut but the cover is about 1/4" wide and the hole is supposed to be 19/64"
02-19-2021, 06:42 PM
Replies: 49
Views: 7,944
Posted By 2001ZR2

When I look I see there is some core up there....

When I look I see there is some core up there. Gonna take really close look tomorrow
02-19-2021, 05:40 PM
Replies: 49
Views: 7,944
Posted By 2001ZR2

https://cimg9.ibsrv.net/gimg/blazerforum.com-vbull...

https://cimg9.ibsrv.net/gimg/blazerforum.com-vbulletin/2000x1504/16137778694175082457634108495424_9f386be6701674adabdcdc3664bf86ff35e51f15.jpg
This is how my fans are currently installed. Thinking...
02-17-2021, 06:23 PM
Replies: 49
Views: 7,944
Posted By 2001ZR2

I have the same Intrepid fans as Tom A but my...

I have the same Intrepid fans as Tom A but my current mounting uses the rail between the tanks which won't work.
02-13-2021, 03:10 PM
Replies: 49
Views: 7,944
Posted By 2001ZR2

I have had electric fans for since a August 2019....

I have had electric fans for since a August 2019. I found a 3.5 Intrepid R/T in the pick and pull. Was under my lucky star that day as is was half price day.

I had two fans break on trips to the...
02-12-2021, 10:21 PM
Replies: 49
Views: 7,944
Posted By 2001ZR2

Thank you for the answer. I got the work done and...

Thank you for the answer. I got the work done and now to brave the cold temps to change out the the radiator supposed to have highs of single digits for the next three days.

The truck is in the...
02-08-2021, 05:02 PM
Replies: 49
Views: 7,944
Posted By 2001ZR2

I got the radiator and the oil cooler I selected....

I got the radiator and the oil cooler I selected. I chose the 6 plate unit for 2 reasons first it's a little bit bigger so better cooling as I am not ready to put an external oil cooler in series...
01-19-2021, 06:33 PM
Replies: 49
Views: 7,944
Posted By 2001ZR2

Christine and Tom A does the radiator still work...

Christine and Tom A does the radiator still work for you and have you noticed the increased cooling? Just about ready to buy on for my truck and I have a bit of a cooling issue climbing up passes on...
11-09-2020, 02:33 PM
Replies: 43
Views: 2,494
Posted By 2001ZR2

I was able to pull the number 1 plug and rotate...

I was able to pull the number 1 plug and rotate the engine to top dead center. Found the Distributor wasn't lined up so I moved it. At the end of this I have a miss on 6 and the CMP retard is unable...
11-04-2020, 10:20 AM
Replies: 43
Views: 2,494
Posted By 2001ZR2

I have done a rough check but will need help to...

I have done a rough check but will need help to confirm tdc. Hard to turn engine and watch #1. @TDC should it point to the 6 on dist body or #1 post.

Reused crank sensor so no instructions but...
11-04-2020, 09:02 AM
Replies: 43
Views: 2,494
Posted By 2001ZR2

Thank you George Here what I think I should...

Thank you George

Here what I think I should do.

If I get a chance I should change the cap back as the #2 wire was kind of difficult to re attach when I took it off to change the rotor. Maybe...
11-03-2020, 11:15 PM
Replies: 43
Views: 2,494
Posted By 2001ZR2

1. Fuel pressure was 52 psig by my gauge and 54...

1. Fuel pressure was 52 psig by my gauge and 54 psig. Fuel trims normal so drove 3400 miles. When I returned changed fuel filter after about 9k miles. Fuel pressure 55-57 by my gauge. Changed out...
11-02-2020, 10:38 PM
Replies: 43
Views: 2,494
Posted By 2001ZR2

Had a noticeable but not significant misfire at...

Had a noticeable but not significant misfire at idle before this started.

Had an oil at the crank snout and base of the timing cover.

Tore into it from bottom which meant I pulled the front...
11-02-2020, 07:38 PM
Replies: 43
Views: 2,494
Posted By 2001ZR2

My goal was to get it so it wouldn't set a P0300...

My goal was to get it so it wouldn't set a P0300 in the parking lot at work almost every day when I would leave. I could clear and it would be fine until the next day,

I did have a CMP retard of 0...
11-01-2020, 07:06 PM
Replies: 43
Views: 2,494
Posted By 2001ZR2

Ok, got back to this and thought I was making...

Ok, got back to this and thought I was making progress, Replaced coil wire after I found a orange spot on the coil after the water spray.

Would set and unset the code depending on how the truck...
10-23-2020, 03:23 PM
Replies: 43
Views: 2,494
Posted By 2001ZR2

I realize now I forgot to come back and say that...

I realize now I forgot to come back and say that the JB Weld worked. The crank sensor bolt is tight now but not much change.

Also had an oil sender spraying oil.out too. Fixed with AC Delco parts
10-23-2020, 02:39 PM
Replies: 43
Views: 2,494
Posted By 2001ZR2

Sadly the SES light came back on today. Had...

Sadly the SES light came back on today.

Had a pending P0300 when I got to work about 30 miles.
Cylinder 1 had 401 misfire history counts started with zero
Cylinder 4 had 391 misfire history...
10-22-2020, 08:28 PM
Replies: 43
Views: 2,494
Posted By 2001ZR2

I took advantage of the warm day and warrantied...

I took advantage of the warm day and warrantied my fuel pump. The initial fuel was 60 versus 52-55 of the old one. I will double after driving a bit and after I filled up the tank. Put in 18.2...
10-22-2020, 08:22 PM
Replies: 7
Views: 336
Posted By 2001ZR2

I am not happy with my 205-208 water temp but I...

I am not happy with my 205-208 water temp but I think it’s the O’Reilly house radiator I bought. Like the Denso ones much better. Thinking about copying Christine and installing the 2” thick unit she...
10-09-2020, 06:56 PM
Replies: 43
Views: 2,494
Posted By 2001ZR2

I have decided that I will address the bolt issue...

I have decided that I will address the bolt issue on the crank sensor. Drove to work and there were so few misfires that the counters didn't keep them.

Cylinder 1 was the only one with more than 2...
10-08-2020, 09:21 PM
Replies: 43
Views: 2,494
Posted By 2001ZR2

No they all were light brownish grey and slightly...

No they all were light brownish grey and slightly larger than the factory 0.060" gap. I am talking about just a couple of thousandths.
10-08-2020, 08:49 PM
Replies: 43
Views: 2,494
Posted By 2001ZR2

Fuel pump should have 60-66 psi per information...

Fuel pump should have 60-66 psi per information on this board but that was for the poppet valves so was wondering if the injectors were less finicky.

My son has a 2005 Trailblazer that ran great...
10-08-2020, 07:39 PM
Replies: 43
Views: 2,494
Posted By 2001ZR2

P0300 Misifre where to go from here

I have been fighting the dreaded P0300 misfire since I changed the timing chain, timing cover, motor mounts, front diff seals and the tie rods.

It first appeared as I was driving the truck to get...
09-30-2020, 06:58 PM
Replies: 13
Views: 1,002
Posted By 2001ZR2

Most regular fuel is 10 percent ethanol and I...

Most regular fuel is 10 percent ethanol and I tend to buy it at Sam's club. Only time this happened was when I replaced the filler as a preventive.
09-30-2020, 05:33 PM
Replies: 13
Views: 1,002
Posted By 2001ZR2

I will let the pictures speak for themselves and...

I will let the pictures speak for themselves and no response from Spectra either from an Amazon review or email.
...
09-25-2020, 05:59 PM
Replies: 3
Views: 308
Posted By 2001ZR2

The shaft will side out and you can use your vise...

The shaft will side out and you can use your vise to drill out the rivets like Les said there are tons of videos on how to do this.
Forum: General Chat
09-24-2020, 10:53 AM
Replies: 6
Views: 406
Posted By 2001ZR2

I was suggesting you could test the coil...

I was suggesting you could test the coil resistance to verify it's bad. I forget the values but you should be able find them online.

Or if you wish to replace parts replace the coil. I replaced...
Forum: General Chat
09-23-2020, 09:09 PM
Replies: 6
Views: 406
Posted By 2001ZR2

You can measure the resistance. I had one on my...

You can measure the resistance. I had one on my Suburban that was low and changing it made a difference.

I got it off Amazon and it was about $21 for the AC Delco unit.
09-23-2020, 09:06 PM
Replies: 18
Views: 610
Posted By 2001ZR2

I am using Dash Command with the additional PID...

I am using Dash Command with the additional PID package.

I put in the distributor and the CMP is about =0.6 now. The misfires from the wobbling cap have gone away.

The testh were worn so I...
09-23-2020, 03:44 PM
Replies: 18
Views: 610
Posted By 2001ZR2

It had both and I expected there to be a...

It had both and I expected there to be a difference in the number of points on the count for the Cam potion sensor

Have the replacement now to install and test on it to see if there misfires are...
09-22-2020, 09:18 PM
Replies: 6
Views: 1,232
Posted By 2001ZR2

I used the flaming river to upgrade my truck and...

I used the flaming river to upgrade my truck and am really happy.

I chose it because the reviews on here and S10 forum but you can get one much cheaper

I don't paid as much as it is today but...
09-22-2020, 12:19 PM
Replies: 39
Views: 1,968
Posted By 2001ZR2

I have a set of the General Spring leafs for my...

I have a set of the General Spring leafs for my ZR2 and they are big improvement over my sagging stock ones. They sit about an inch higher and since I am local I drove my fat ass out and picked them...
09-20-2020, 09:12 PM
Replies: 18
Views: 610
Posted By 2001ZR2

Summit send a box labeled for the 6 cylinder...

Summit send a box labeled for the 6 cylinder distributor and the packing slip had a 6 cylinder part number on it.

The part in the box had an 8 cylinder cap on it. Pretty sure they are...
09-19-2020, 08:32 AM
Replies: 11
Views: 1,778
Posted By 2001ZR2

I sm trying some Proforged tie rods and they...

I sm trying some Proforged tie rods and they seems well made
Showing results 1 to 50 of 256
 


 
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