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Ford Mustang Forums Tech Related Engine & Performance 2.3 and SVO Guys

2.3 turbo issue

JAK~47 29.12.2011, 14:15
Recently i picked up an 84 tbird turbocoupe from a friend. He was selling it cheap because it jumped time on him while he was turning into his neighborhood. He changed the timing belt and reset the timing three times but something is still not right with it and he gave up on it. Its making this popping sound at idle and lower RPM's through the throttle body and there is some hesitation in lower gears. However at 50+mph it runs smooth and just cruises at 65mph. I took a couple videos with my phone of the sound its making. I apologize if the audio quality sucks

idling
.... ....


idling and increasing rpm's
.... ....
donsbad89 29.12.2011, 15:53
Probably still out of time.
98gt 29.12.2011, 18:40
this is a vaccum advance car right? if im not mistaking the old saying was if its backfiring thru the intake the timing is retarded to much. out the exhaust its advanced to far. or vice versa.

that being said if i remember right you ahve to pull the vaccum advance from it as you are setting the base timing, then plug it back in. should be up by the distributer i believe >.> lol
circletrack5.0 29.12.2011, 19:47
this is a vaccum advance car right? if im not mistaking the old saying was if its backfiring thru the intake the timing is retarded to much. out the exhaust its advanced to far. or vice versa.

that being said if i remember right you ahve to pull the vaccum advance from it as you are setting the base timing, then plug it back in. should be up by the distributer i believe >.> lol

the advance is controlled by the ECM.

if you are sure the timing is right and you don't have some wires crossed, unplug the VAM and see if that changes anything.
JAK~47 03.01.2012, 14:31
well the verdict is in. When it jumped time it broke a rocker arm and the camshaft is jacked up. Ahwell time for roller rockers and a SVO cam.
foxtrot 05.01.2012, 14:26
I have a spare ranger roller. $50

PM me if you need it.
Desi 06.01.2012, 02:54
Ok, just saw this forum & thread, are you Red84GT on the other place by chance? This looks familiar. Also if you are looking at a new cam, I plna later in the spring to go with Boports 1.5
....
btw, pix of said TC if ya got em?
foxtrot 06.01.2012, 14:00
Boport ftmfw
mustangracer84 06.01.2012, 21:58
Boport ftmfw

word

--Esslinger isn't bad either though...
JAK~47 22.02.2012, 13:39
remember kids, when running a non roller cam use oil with zddp in it,otherwise your cam gets wiped flat.
Desi 23.02.2012, 22:07
remember kids, when running a non roller cam use oil with zddp in it,otherwise your cam gets wiped flat.


Well, any progress? I love the early TC's & Cats myself...let's see some pics of this beast.
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