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Cracked block. 4.9 Looking for reasons why.
(Technical Discussion & Questions - by Fieroseverywhere, started: 11-06-2014, last post: 2014-11-14 03:10:04 CET)
Any ideas?Before.Before (cropped)After.If you look close you will see 3 cracks. 2 go to the head bolt hole and 1 into the water jacket. The car had idled in the driveway for ~30 minutes but was shut down when it snapped. The head is straight and true, nothing wrong with the gasket or the dowel...
Score: 499, Size: 62 bytes
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4.9 not running well after distributor change
(Technical Discussion & Questions - by Luperman, started: 12-16-2018, last post: 2018-12-24 21:31:43 CET)
Hello all, My 4.9 in my 86 SE turned out to have no spark when I parked it at work, I had it towed back to the house for troubleshooting, I found it not firing on any cylinders. so instead of finding which component was not working in the distributor I choose to replace the whole thing from...
Score: 499, Size: 54 bytes
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4.9 swap help with adapters
(Technical Discussion & Questions - by Bartek, started: 03-21-2016, last post: 2016-04-06 19:13:41 CEST)
Hey all, I was having some difficulty finding adapters for the fuel lines that I would need from rock auto on a 4.9 conversion. I was trying to get all of my parts from the same place. Also, off the top of anyones head do you know what size the coolant lines are?...Thanks all, I'm in the final...
Score: 499, Size: 34 bytes
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4.9 exhaust choices...what does your exhaust sound like?
(Technical Discussion & Questions - by MadProfessor8138, started: 10-07-2016, last post: 2016-10-13 00:33:17 CEST)
I'm getting close to the point on my 4.9 build that I need to start thinking about exhaust options.Thought I would ask everyone if they might post some audio clips of their exhaust choices.I want loud...but loud with a nice tone.[This message has been edited by MadProfessor8138 (edited...
Score: 499, Size: 73 bytes
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4.9 engine numbers...what's the deal?
(Technical Discussion & Questions - by MadProfessor8138, started: 03-14-2016, last post: 2016-03-31 19:22:25 CEST)
I didnt start the 4.9 conversion in my car,engine and tranny were there when I bought it,so I have no idea what year this engine is.I'm pretty sure I need this information to have my chip burnt.After climbing all over and under the engine tonight I came up with one number that was located on a...
Score: 499, Size: 54 bytes
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Fiero 4.9 - Alternator Problem, Feint Buzzing Noise w/Engine Off and Key Out
(Technical Discussion & Questions - by Warlordsix, started: 04-26-2016, last post: 2016-04-30 01:30:58 CEST)
Hi, guys.New to the forum and new to Fieros, but a long-time fan of them, especially those with engine swaps. So, last week I picked up a nice, completed '87 with a '92 Deville engine and 5-speed Getrag. Runs great, but I have a slight drain thru the alternator. Previous owner said it was a...
Score: 499, Size: 87 bytes
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4 cyclinder fuel lines for a 4.9?
(Technical Discussion & Questions - by paulcal, started: 08-17-2014, last post: 2014-09-06 01:48:34 CEST)
I inherited a real problem with this 4.9 swap eating fuel pumps at an alarming rate. The last one I had professionally installed and it only lasted a month. I think that makes number 5. I've been told that it could be a problem with a restricted fuel line or a possible electrical problem. I've...
Score: 499, Size: 41 bytes
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4t65e-HD with a 4.9 caddy ?
(Technical Discussion & Questions - by Lou6t4gto, started: 02-16-2019, last post: 2019-02-21 22:20:24 CET)
got a car with a 99 3800Sc and 4t65e-HD )also 99 Grand prix. queston is: will the computer that is Now running both the 3800 and the trans, will it run a 4.9 caddy if reprogrammed? yea, I know, WHY? Curiosity LOL Just want to know if it Can be done without a Stand alone computer for the...
Score: 499, Size: 37 bytes
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Broken 4.9 tensioner
(Technical Discussion & Questions - by lou_dias, started: 03-30-2020, last post: 2020-04-02 15:38:58 CEST)
HELP!Does anyone have a part number for the tensioner used in this swap. I'm thinking it's not stock. This was from a Fiero Factory conversion to which I added an Allante intake to...[This message has been edited by lou_dias (edited 03-30-2020).]
Score: 499, Size: 29 bytes
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4.9 PCM pinout chart
(Technical Discussion & Questions - by lou_dias, started: 10-11-2017, last post: 2017-10-12 23:34:11 CEST)
Found a broken wire going into the 4.9 PCM, it's on the top connector. It's across from the VSS wires 4th pin up from bottom.Looking for a pinout picture but Fieroaddicion site is down...
Score: 499, Size: 29 bytes
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