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Throttle blade angle on 2.8 throttle body
(Technical Discussion & Questions - by 1985 Fiero GT, started: 03-16-2025, last post: 2025-03-17 23:23:12 CET)
So, I noticed on my throttle body that full throttle doesn't put the throttle blade at an exact 90*, keeps it slightly angled, is there a reason for this? There is a stop that protrudes and stops it at wide open throttle before 90*, just curious why. I would assume a perfect 90* would be the best...
Score: 1000, Size: 55 bytes
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Can't use asterisks in Fiero Search? N* Throttle Body
(General Fiero Chat - by mitchjl22, started: 08-15-2013, last post: 2013-08-17 08:29:44 CEST)
Its very hard to look up info for a N* throttle body adapter plate when 90% of the threads are titled N*......when seaching, i get an error and it says invalid entry /* ... I'm looking for a N* adapter plate for series 3 and came upon this folly by mistake.-MitchAnybody had this issue before?
Score: 775, Size: 63 bytes
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Where did I screw up on this throttle body selection?
(General Fiero Chat - by Sir Ken, started: 04-07-2018, last post: 2018-04-10 20:06:45 CEST)
Throttle body supposedly came off a 2003 Cadillac Northstar 4.6.I'm trying to get all my parts lined up for my 3800SC Series III swap and thought I needed a 2000-2005 Northstar throttle body and a L36 gen 5 adapter plate which is what I thought I had purchased. None of the holes in the parts fit...
Score: 775, Size: 61 bytes
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Dual Throttle body intake
(General Fiero Chat - by XxdjxX89, started: 01-14-2016, last post: 2019-09-15 17:22:09 CEST)
Does anybody still sell dual throttle body intakes?
Score: 775, Size: 34 bytes
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3800 throttle body
(General Fiero Chat - by Tstang429, started: 03-06-2018, last post: 2018-03-07 04:32:10 CET)
Ok I got a question has anyone takin a 3800 throttle body apart? I’m lookimg to powder coat one and waiting for it to come in. Have not looked at one in a while. Trying to figure if there’s any components besides the sensors that can not handle the process
Score: 775, Size: 28 bytes
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Northstar throttle body to 3800 wiring question
(Technical Discussion & Questions - by Dave E Bouy, started: 07-01-2015, last post: 2015-07-03 21:20:48 CEST)
Hello all. I am installing Northstar throttle body on a 3800 swap I am working on, using a stock Northstar MAF. I notice that the Northstar MAF is a 5 wire connector while the 3800 MAF is a 3 wire unit. Does anyone know how to wire the Northstar MAF to the 3800 ECM. I assume I can figure out the...
Score: 775, Size: 59 bytes
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EGR Deleted-What to do with vacuum port on underside of throttle body
(Technical Discussion & Questions - by Rjberner46, started: 04-08-2023, last post: 2023-04-09 18:02:33 CEST)
I have deleted my EGR system with and updated chip. What do I do with the vacuum port under the throttle body that used to go to the solenoid? Leave it open, cap it or tie into another vacuum line? Any help is appreciated. I tried posting earlier but it didn't seem pt work is if there is...
Score: 775, Size: 80 bytes
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Throttle body without cooling liquid
(Technical Discussion & Questions - by Yannsky, started: 12-19-2014, last post: 2014-12-22 18:08:12 CET)
Hi allI was removing a throttle body from fiero gt 86 for my se 87 2.8. I had removed two tube of cooling liquid from this tb. Currently i don't have those tubes connected to my tb.Is it dangerous for the tb?Is that cooling liquid have a special fonction on tb?ThksYann
Score: 775, Size: 44 bytes
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2.5 throttle body swap 4.3
(Technical Discussion & Questions - by mthickey, started: 06-23-2017, last post: 2017-06-26 21:46:30 CEST)
So I just got my 86 fiero, and there are several upgrades I want to do to it, but getting performance out of the iron duke seams difficult. The consensus seam to mostly be that the tiny throttle body is one of the biggest restrictions, followed closely by the head. My plan is to swap the stock...
Score: 775, Size: 35 bytes
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2.8 Dual throttle body intake manifold question
(Technical Discussion & Questions - by Boot, started: 05-30-2017, last post: 2019-03-16 01:14:06 CET)
Ive been thinking about making something similar to this. But theres one thing about this one in particular that confuses me a little. Arent both of those throttle bodies stock fiero ones? Because everything ive ever heard says that two 52mm's would be way too much throttle body for the engine and...
Score: 775, Size: 52 bytes
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