Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 5
Views: 1,373
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 5
Views: 1,373
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Forum: C4 ZR-1 Technical Postings
08-12-2024
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Replies: 17
Views: 4,917
Re: Question on Engine Temp
Status report after driving 3,124 miles on the NCRS Convention Texas Road Tour to Hampton Roads, VA.
Before the trip upgraded the cooling system with a new DeWitts 2 row, new thermostat, Marc...
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Forum: C4 ZR-1 Technical Postings
07-27-2024
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Replies: 17
Views: 4,917
Re: Question on Engine Temp
DRM500RUBYZR-1,
Appreciate your good suggestion about the coolant pressure tester.
Did the pressure test after installing new radiator earlier this month. Also replaced the pressure cap as a...
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Forum: C4 ZR-1 Technical Postings
07-21-2024
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Replies: 17
Views: 4,917
Re: Question on Engine Temp
HawaiiZR-1,
Early thought the A/C wasn't working correctly. The Tech checked both hi & low side and they have proper pressure.
Problem was bringing in the outside air. Tech recommended set to...
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Forum: C4 ZR-1 Technical Postings
07-21-2024
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Replies: 17
Views: 4,917
Re: Question on Engine Temp
Young1,
Didn't need to do the bicycle card trick to see if the passenger side fan was running.
Pulled into the garage out of the sunlight and could see the passenger side working with a high...
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Forum: C4 ZR-1 Technical Postings
07-21-2024
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Replies: 17
Views: 4,917
Re: Question on Engine Temp
HawaiiZR-1
Please elaborate on your "AC pressure switch or high pressure" - am not familiar with this problem.
Thanks,
Gary
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Forum: C4 ZR-1 Technical Postings
07-19-2024
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Replies: 17
Views: 4,917
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Forum: C4 ZR-1 Technical Postings
07-18-2024
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Replies: 17
Views: 4,917
Re: Question on Engine Temp
Temp update
June driving on I45 stop'n'go traffic in Houston area - '92 turned off the A/C and regular temp gauge was in the "danger zone".
Since then:
1) installed Marc's chip to turn on fans...
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Forum: C4 ZR-1 Technical Postings
07-06-2024
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Replies: 12
Views: 3,996
Re: ADS Superchip
tpepmeie,
Thanks much. Am learning new stuff every danged day.
Checked Jerry's website and didn't find any listed. Will call Jerry on Monday.
Gary
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
07-06-2024
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Replies: 2
Views: 1,003
WTB - 1992 OEM BPPA Memcal Chip
WTB - 1992 OEM BPPA memcal chip
Please let me know if you have one for sale or if someone else does.
Thanks,
Gary
....:flag:
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Forum: C4 ZR-1 Technical Postings
07-06-2024
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Replies: 1
Views: 1,131
Re: Thermostat Install Tips Helped
Please disregard my request.
Stupid ole me finally scooted far enough in to get a giid look at the thermostat housing to the engine block and wallah, the LF side bracket that fits flush against...
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Forum: C4 ZR-1 Technical Postings
07-06-2024
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Replies: 12
Views: 3,996
Re: ADS Superchip
Warp Ten,
Seriously doubt that the problem is Marc Heibeck's chip. Suspect it's an ADS Superchip compatibility problem.
Need to acquire an OEM 1992 BPPAG4 Memcal to test with since there's no...
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Forum: C4 ZR-1 Technical Postings
07-05-2024
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Replies: 1
Views: 1,131
Thermostat Install Tips Help Needed
Need tips on installing a new thermostat.
Read Marc Haibeck's good tips and searched 17 pages for thermostats.
The bracket that goes on top of the LH side of the thermostat housing is a tight...
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Forum: C4 ZR-1 Technical Postings
07-05-2024
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Replies: 12
Views: 3,996
Re: ADS Superchip
XfireZ51,
Appreciate your input. Good info.
Searched and couldn't find any data on exactly what the ADS Superchip did or how it was modified.
Any idea best source for a 1992 BPPAG4 Memcal?
...
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Forum: C4 ZR-1 Technical Postings
07-05-2024
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Replies: 12
Views: 3,996
Re: ADS Superchip
Installed Marc Heibeck new chip with the ADS Superchip since my '92 didn't come with the factory OEM chip.
Problems encountered:
1) Idle RPM = 2,000
2) Service Engine Soon light = On
3) Check...
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Forum: C4 ZR-1 Technical Postings
07-05-2024
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Replies: 6
Views: 2,351
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Forum: C4 ZR-1 Technical Postings
07-01-2024
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Replies: 32
Views: 8,121
Re: 1992 Upper Radiator Shroud Removal
1st try this morning and the hose stays on the air pump input when clamp tightened.
Go figure.
Next step is installing the Heibeck Throttle Body Heat Bypass tube.
Gary
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Forum: C4 ZR-1 Technical Postings
07-01-2024
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Replies: 1
Views: 1,558
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Forum: C4 ZR-1 Technical Postings
07-01-2024
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Replies: 32
Views: 8,121
Re: 1992 Upper Radiator Shroud Removal
Subfixer,
That's what's totally weird - the pump is bolted into position. Pump and hose match orientation in the pre-removal photo I took.
Hose does slip on - hose starts sliding off as clamp...
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Forum: C4 ZR-1 Technical Postings
07-01-2024
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Replies: 1
Views: 1,558
Air Pump Hose - Slides Off
Air pump large hose slides off when tightening the clamp.
Removed air pump to get to the upper shroud 7mm screws to replace the radiator.
Push the large, approx 2 inch air inlet hose onto the...
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Forum: C4 ZR-1 Technical Postings
06-30-2024
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Replies: 32
Views: 8,121
Re: 1992 Upper Radiator Shroud Removal
Help, how do I get the electric air pump 2 inch air input hose to stay on the air pump when I tighten the clamp?
Seat the rubber hose & block it with a piece of wood.
When I tighten the clamp,...
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Forum: C4 ZR-1 Technical Postings
06-29-2024
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Replies: 32
Views: 8,121
Re: 1992 Upper Radiator Shroud Removal
SubFixer,
Took at least 6 to 8 tries to get the upper radiator shroud in. Would try every 20 minutes or so. Twisting and banging. Finally got it passed the small upper radiator inlet and then it...
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Forum: C4 ZR-1 Technical Postings
06-29-2024
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Replies: 32
Views: 8,121
Re: 1992 Upper Radiator Shroud Removal
Guys,
Gave the upper shroud another try. Some whamming and pushing and the shrouds down over the radiator.
Appreciate everybody's support. Now to button it all up.
Gary
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Forum: C4 ZR-1 Technical Postings
06-29-2024
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Replies: 32
Views: 8,121
Re: 1992 Upper Radiator Shroud Removal
Guys,
Am having a hard time getting the upper shroud reinstalled.
Problem is getting passed the small radiator outlet hose on the upper RH side of the new DeWitts 2 row radiator. The outlet is...
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