Project Resto - Supercharged 1992 GT 'Vert

STI_MECE

What goes in this hole?
Feb 2, 2019
82
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Houston
Just wanted to share my experience with swapping heater cores. I wish I recorded this.

So pulling the dash out, if your experienced with wrenching and a contortionist, you can free the dash in 1hr max, and that I includes organizing all the screws and nuts and panels.

It took is 3.5 hours to get the new heater core IN. We had to Dremel an edge off the back right of the box. It's liked this curved section where the heater core too has to slide over. We also trimmed some areas of the plastic that werre clearly hitting the top of the inner firewall.

You must put the heater core and panel back in at once together. We did not bother getting the back screws in. No way in hell could my hands take anymore torture.

And check out pictures below. First picture is the heater core from LMR. IT CLEARLY DOESNT FIT RIGHT. AND IT IS THE RIGHT ONE

Next is OEM. And the one below that is heater core we got from radiator express. It actually had the solder joint boxed looking joints too. It fit like OEM as shown.

And we did this with the AC still connected!
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90sickfox

I didn't really have an issue with the stink...
SN Certified Technician
Mar 2, 2015
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I couldn't do that to a heater box. A leak in that box will cause a real pressure drop. I've cheated a bunch of heater cores but it was always easy to seal them back up. It's so easy for my to pull the dash and heater box in a mustang I just couldn't bring myself to do it.
 

STI_MECE

What goes in this hole?
Feb 2, 2019
82
15
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27
Houston
I figured out what the stuttering issue around 2k rpm. Its lugging the transmission. What is funny is how lightly you can apply the throttle and it will buck.

I tried lightly accelerating at 1.5k rpm in 3rd and sure enough it did the same thing up until around 2100-2200 rpm.

I slid my shift points now to be at 3k rpm. Other than that she is running good as new. Just need to do the altenator to get all back to square.
 

STI_MECE

What goes in this hole?
Feb 2, 2019
82
15
18
27
Houston
Well it might have a cam, but I do not know if its a big cam or not lol it sounds like its cammed, but I wouldn't call it a jaw dropping lope
 

STI_MECE

What goes in this hole?
Feb 2, 2019
82
15
18
27
Houston
ill do a sweep test....It felt like a lugging tranny because i did the same thing at 1.5k rpm as i do at 2k rpm. But Ill go back and check lol