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Search: Posts Made By: rons85
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Forum: C4s for Sale/Wanted
07-29-2012, 07:22 PM
Replies: 0
Views: 531
Posted By rons85

FS '85 Coupe, 100% car w/high miles

Time to let it go. 285k miles, daily driver. Mechanic/engineer owned for the last 12 years and kept in 100% shape. NO excuses, needs nothing. Vortec head "base performance" crate motor 40k ago. ...
Forum: C4 Tech/Performance
03-30-2011, 06:56 PM
Replies: 22
Views: 2,074
Posted By rons85

Muffin has a point - Start at the Beginning. ...

Muffin has a point - Start at the Beginning.

The base timing Has to be set someplace close to right - right meaning what the Chip is expecting it to be. There is an "offset" value for the...
Forum: C4 Tech/Performance
03-30-2011, 06:29 PM
Replies: 3
Views: 2,723
Posted By rons85

All true. However - the expensive (but not hard...

All true. However - the expensive (but not hard to find - try NAPA) MAF module for an '85 is about as reliable as the Frame. It Never dies, unlike the two relay setup used on following years.
...
Forum: C4 Tech/Performance
03-13-2011, 05:37 PM
Replies: 9
Views: 993
Posted By rons85

My guess is that you are going to need to dial up...

My guess is that you are going to need to dial up the ignition advance in the low load/low rpm region. Where it's running at idle (in or out of gear). Not knowing where you are now I'll say that...
Forum: C4 General Discussion
01-23-2011, 10:37 AM
Replies: 41
Views: 2,983
Posted By rons85

Common sense - if you take care of it then it'll...

Common sense - if you take care of it then it'll last, regardless of how you use it.

My '85 has nearly 280k on it now, driven year round here in snow and salt country. It's still got all of it's...
Forum: C4 Tech/Performance
01-23-2011, 10:17 AM
Replies: 12
Views: 2,142
Posted By rons85

For what it's worth.. I generally do the top two...

For what it's worth.. I generally do the top two bell housing bolts from the Top. With the distributor out (and also the wiper motor cover removed, it gains some valve cover clearance later by doing...
Forum: C4 General Discussion
01-22-2011, 02:48 PM
Replies: 61
Views: 3,307
Posted By rons85

Been there, done that. It's ALL about the tires,...

Been there, done that. It's ALL about the tires, with the right rubber it's no big deal.
Forum: C4 General Discussion
01-22-2011, 02:39 PM
Replies: 4
Views: 396
Posted By rons85

'85 DOES have a door lock relay. Actually it's a...

'85 DOES have a door lock relay. Actually it's a "double", with both a Lock and an Unlock coil in the one housing.

Lives in the center of the dash, behind the "multi use center"

That's how I...
Forum: C4 Tech/Performance
01-22-2011, 02:30 PM
Replies: 8
Views: 883
Posted By rons85

I guess the First question would be Why? ...

I guess the First question would be Why?

After That, the '84-'87 steering used a rubber lined "sleeve" section rather than the "standard" GM "rag" coupler. It's a smaller diameter deal, still...
Forum: C4 Tech/Performance
01-22-2011, 02:17 PM
Replies: 7
Views: 1,158
Posted By rons85

To R&R the A/C clutch you certainly do need the...

To R&R the A/C clutch you certainly do need the correct "special" tool set. Remover/Installer. Not that much money to buy, or you can find auto parts places that will rent you one.

The price of...
Forum: C4 Tech/Performance
01-16-2011, 11:22 AM
Replies: 11
Views: 7,737
Posted By rons85

Guess (and that's all it is) #1 - the oil...

Guess (and that's all it is) #1 - the oil pressure switch is bad or unhooked. This is what keeps the fuel pump running, what Powers the pump, once the motor fires up..
Forum: C4 Tech/Performance
01-16-2011, 11:06 AM
Replies: 5
Views: 531
Posted By rons85

Well.. If you are thinking it may be a...

Well.. If you are thinking it may be a temperature issue - have you checked (scan tool required) to see if the ECM is getting correct numbers for both coolant and manifold air temperatures? ...
Forum: C4 General Discussion
01-01-2011, 09:49 AM
Replies: 52
Views: 3,604
Posted By rons85

http://forums.corvetteforum.com/photopost/showphot...

http://forums.corvetteforum.com/photopost/showphoto.php/photo/59384/size/big
Forum: C4 Tech/Performance
01-01-2011, 09:29 AM
Replies: 5
Views: 332
Posted By rons85

Well, Yes, if the pressure is falling that badly...

Well, Yes, if the pressure is falling that badly at WOT then you certainly have a fuel supply problem. Since you have already done the filter the Pump is sticking out as the most likely problem. I...
Forum: C4 Tech/Performance
01-01-2011, 09:16 AM
Replies: 27
Views: 15,585
Posted By rons85

Not really relevant to This discussion, but food...

Not really relevant to This discussion, but food for thought...

On my '85 (no stand alone CCM, the fuel gage electronics are contained within the LCD dash electronics "module"), there is also an...
Forum: C4 Tech/Performance
01-01-2011, 08:55 AM
Replies: 12
Views: 1,135
Posted By rons85

"Multi Use Center" = "DIC". GM changed the name,...

"Multi Use Center" = "DIC". GM changed the name, or what they wanted to call it, someplace along the way.

Far as I know the general location and layout of these components is basically the same...
Forum: C4 Tech/Performance
01-01-2011, 08:33 AM
Replies: 30
Views: 2,011
Posted By rons85

A quick and dirty check - when it's Not starting,...

A quick and dirty check - when it's Not starting, unplug the MAF and try it again. IF it then starts and idles (it may or may not Run all that well, but it Will at least Run), then the MAF is the...
Forum: C4 Tech/Performance
12-30-2010, 09:50 AM
Replies: 9
Views: 11,340
Posted By rons85

You Could (this is also a guess, of sorts) have a...

You Could (this is also a guess, of sorts) have a vacuum leak in the HVAC system that "goes away" when different control positions are selected. Perhaps a leak at one of the control "motors" or the...
Forum: C4 Tech/Performance
12-20-2010, 05:50 PM
Replies: 17
Views: 481
Posted By rons85

Yeah, 240 is the official number for an '87. SAE...

Yeah, 240 is the official number for an '87. SAE Net, of course, and assuming it is still 100% as delivered stock.

Doesn't sound like a lot, and it isn't by todays standards, but look at the...
Forum: C4 Tech/Performance
12-20-2010, 05:42 PM
Replies: 8
Views: 1,560
Posted By rons85

This is a common issue. It is Not a question of...

This is a common issue. It is Not a question of the year or suspension option code - this is how replacement ball joints are going to measure.

The simplest solution to making the replacement...
Forum: C4 Tech/Performance
12-20-2010, 05:25 PM
Replies: 7
Views: 1,456
Posted By rons85

The BLM values are just the ECM telling you what...

The BLM values are just the ECM telling you what it is doing to correct the fuel table to achieve the target A/F ratio. A BLM value of 128 means that No correction is being applied for that...
Forum: C4 General Discussion
12-18-2010, 04:45 PM
Replies: 4
Views: 497
Posted By rons85

Yup. And you do Not have to replace the entire...

Yup. And you do Not have to replace the entire motor to get the part you need - you can buy only the "cover", which will get you the circuit board in question.
Forum: C4 General Discussion
12-17-2010, 07:23 PM
Replies: 18
Views: 970
Posted By rons85

Why wouldn't you just do it the easy way and...

Why wouldn't you just do it the easy way and connect right to the door lock Relay, which lives behind the OIC in the middle of the dash, next to the theft deterrent module? There's even enough room...
Forum: C4 Tech/Performance
12-17-2010, 06:55 PM
Replies: 14
Views: 18,039
Posted By rons85

Just a couple of thoughts and observations, for...

Just a couple of thoughts and observations, for what they are worth..

The voltages you listed are goofy. A fully charged "good" battery should measure 13.2 volts (at least a lead acid battery..)....
Forum: C4 General Discussion
11-28-2010, 08:11 PM
Replies: 12
Views: 699
Posted By rons85

Yup, heaters in both seats. Simple enough to...

Yup, heaters in both seats. Simple enough to install, I have the switches mounted thru holes drilled in the 'glass lower seat "frames". Means that the only real wiring needed is to get a hot wire...
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