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Injectors Won't Fit in New Intake Manifold

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e96eclipse

10+ Year Contributor
51
0
Jan 3, 2010
vanceboro, North Carolina
so i have tore my old intake off....and went to install a new manifold that my fiance got me off ebay and the injectors wont fit in all the way! has anyone ran into this problem? if so how do you go about fixing it? i have done some modifi to it because it didnt have a spot for my egr tube and the map sensor so i really doubt they will let me return it! Im in a really big bind cause this is my only ride and i need it back together before tomorrow! HELP PLEASE!!??
 
first off it sounds like you got the OBX intake mani. next yes you need to drill a hole for your map sensor but All guys who buy this manifold do not put their egr back on. you can find a block off plate for cheap.

next, the injectors wont fit? or the fuel rail wont fit? because I had a problem with my fuel rail not fitting right not the injectors themselfs.

On second thought how much was the intake?
 
it was the one off ebay and yeah it for the 420A....i tryed putting the whole rail in first and the injectors wouldnt go in all the way....so i took one injector off and tryed it but it will not slide all the was in! it still got about a inch to slide in...almost like the injectors holes arent deep enough

http://cgi.ebay.com/ebaymotors/ws/eB...category=33632

OBX Air Intake Manifold 95-99 Eclipse RS GS 2.0L 420A : eBay Motors (item 170440105071 end time Mar-02-10 11:33:05 PST)

weird.. I had the same manifold and had no problem with the injectors.
 
ima go take some picture of what i got!! ill be right back

these are the pictures

think im fixing it....i openned the holes up a lil and i got two injectors in perfect gonna do the other two hopefully they will seal and not leak! thanks and ill let you kno what happens,but i wouldnt reconmend anyone getting this manifold cause its alot of work
 

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So what ended up being the overall problem with the intake? The holes weren't drilled out properly from the manufacturer? Just curious to see what the final verdict on this one was...

The intake manifold was a knock off of the obx IM and as we all know, obx IM is a knock off of the Venom IM.

the injector holes were not large enough.

This intake manifold sells for about 100 from a seller on ebay.
 
Last edited:
It was a OBX knock off like he said.....and also a pain in my butt! The holes for the injectors were not big enough...the injectors wouldnt slide in at all! and as far as i know this one looks just like the obx one.... i have a picture of it on my profile....but again thanks
 
ok so i drilled them all out and the injectors fit perfect got it all back together and it been three days with no problems runs awsome...thanks

It sounds like you got lucky... injector bosses usually need to be rather smooth in order to form a good seal with an O-ring. Typically opening the hole with a hand drill isn't sufficient.
 
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