Engene repare.... Gakets...
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Post Fiend
Joined: Oct 2005
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From: Kiev, Ukraine
Engene repare.... Gakets...
This is '94 3.0 Aero. Oil is mixed with cpplant. I used to remove heads w.o engine pull on my aero. Who did it with '94 aero. Is it possible to remove air intake, manyfold and heads w.o. engine removing from van.
Any tips....
Any tips....
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Joined: Aug 2005
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Hey Pablo, I pulled both heads on my '94 3.0 last year. I removed radiator to give me more room. Had a tough time removing the fan clutch, had to pull waterpump and cut it off. Everything else was surprisingly easy for me, a novice mechanic. I soaked the exhaust manifold studs overnight, and they came right out. But it's really an easy job, it just takes some time and a strong back. You should be able to do it with one eye closed and one hand tied behind your back.
M
M
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Post Fiend
Joined: Oct 2005
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From: Kiev, Ukraine
M!
Ok, As I've undersood there is no difference with '89 aero. I hope to drop oil pan is easy too....
His engine burns and leaks oil.
I suggest it is time to rebuild his engine (replce rings, gaskets...). I newer saw 3.0 with bad cylinders (sleeves). Bad pistons are rare too, usually after 800K, but oil rings fail in 400K, bearings are "red" when engine is about 400-500 K too. Heads may be damaged with overheating, but he says that his engine was never overheated. I know that sometimes engine soaks oil from liftrs area when intake manyfold gaskets are bad.
Ok, As I've undersood there is no difference with '89 aero. I hope to drop oil pan is easy too....
His engine burns and leaks oil.
I suggest it is time to rebuild his engine (replce rings, gaskets...). I newer saw 3.0 with bad cylinders (sleeves). Bad pistons are rare too, usually after 800K, but oil rings fail in 400K, bearings are "red" when engine is about 400-500 K too. Heads may be damaged with overheating, but he says that his engine was never overheated. I know that sometimes engine soaks oil from liftrs area when intake manyfold gaskets are bad.
Post Fiend
Joined: Apr 2005
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From: Washington state
pablo,
do you have access to moly coated or chromed 3L rings in Ukraine? these require more refined breakin techniques but last much longer than OEM cast iron rings
also less friction thus better fuel mileage
i've never seen any aftermarket teflon insert skirt pistons for the 3L or 4L OHV Fords, have you? less friction and wear. common now on GM and Ford V8s here
does your '89 3L have the roller lifters or have you changed it over to roller lifters? more HP and less friction.
most OEM blocks here and the better rebuild shops use diamond lap hones and finish the bores to sub 25 RA finishes with 25d angle crosshatching
Engine Cylinder Bore Honing
do you have access to moly coated or chromed 3L rings in Ukraine? these require more refined breakin techniques but last much longer than OEM cast iron rings
also less friction thus better fuel mileage
i've never seen any aftermarket teflon insert skirt pistons for the 3L or 4L OHV Fords, have you? less friction and wear. common now on GM and Ford V8s here
does your '89 3L have the roller lifters or have you changed it over to roller lifters? more HP and less friction.
most OEM blocks here and the better rebuild shops use diamond lap hones and finish the bores to sub 25 RA finishes with 25d angle crosshatching
Engine Cylinder Bore Honing
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Post Fiend
Joined: Oct 2005
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From: Kiev, Ukraine
i've never seen any aftermarket teflon insert skirt pistons for the 3L or 4L OHV Fords, have you? less friction and wear. common now on GM and Ford V8s here
does your '89 3L have the roller lifters or have you changed it over to roller lifters? more HP and less friction.
most OEM blocks here and the better rebuild shops use diamond lap hones and finish the bores to sub 10 RA finishes with 25d angle crosshatching
Post Fiend
Joined: Apr 2005
Posts: 5,720
Likes: 5
From: Washington state
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Post Fiend
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From: Kiev, Ukraine
Engine Cylinder Bore Honing
Correct speleng is fogoten art..... Especially in Russian. More then 80% of Russians have serious speleng problems. My GF's mother is Russian Langusge teacher in School. That's why my GF has no speleng problem....
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Post Fiend
Joined: Apr 2005
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From: Washington state
please don't ask me to spell in Russian especially Cyrillic
do you do any porting and polishing work on your 3L Ford OHV engines you are rebuilding? opening up the intake and exhaust ports and runners for better air flow volume since it is a high rpm engine?
i have a good link on porting and polishing. polishing no longer has the negative fuel/air mixing effects that it did with carb'd engines especially with SFI engines. polishing really improves exhaust flow at high rpms.
do you do any porting and polishing work on your 3L Ford OHV engines you are rebuilding? opening up the intake and exhaust ports and runners for better air flow volume since it is a high rpm engine?
i have a good link on porting and polishing. polishing no longer has the negative fuel/air mixing effects that it did with carb'd engines especially with SFI engines. polishing really improves exhaust flow at high rpms.
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Post Fiend
Joined: Oct 2005
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From: Kiev, Ukraine
well, back to topic. I dont know why but nobody had to do something with 3.0 block.
I Replaced cam bearings only. It was nightmare. Ones I used to replace 2 rusty freeze plugs. That is all.
I Replaced cam bearings only. It was nightmare. Ones I used to replace 2 rusty freeze plugs. That is all.
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Post Fiend
Joined: Oct 2005
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From: Kiev, Ukraine
do you do any porting and polishing work on your 3L Ford OHV engines you are rebuilding? opening up the intake and exhaust ports and runners for better air flow volume since it is a high rpm engine?
No. I used to install perfomance exaust and perfomance intake. Polishing works are expensive and... 2-3% HP gaine only.
i have a good link on porting and polishing. polishing no longer has the negative fuel/air mixing effects that it did with carb'd engines especially with SFI engines. polishing really improves exhaust flow at high rpms.
You are right! At high RPMs only....
Well, it is time to drive to hospital now.... I got cold.... see you later.
No. I used to install perfomance exaust and perfomance intake. Polishing works are expensive and... 2-3% HP gaine only.
i have a good link on porting and polishing. polishing no longer has the negative fuel/air mixing effects that it did with carb'd engines especially with SFI engines. polishing really improves exhaust flow at high rpms.
You are right! At high RPMs only....
Well, it is time to drive to hospital now.... I got cold.... see you later.
Posting Guru
Joined: Aug 2007
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From: Portland, Oregon
i can't help but wonder what it would be like to see/hear an aero drop a gear like honda's and go screaming past some one (in a five speed). it's an awsome sound as it reaches up towards 5k rpms, but then ecu makes it shift... which is lame...
any ways
pablo, don't die! if you do.... can i have your van? lol
ok serious now. so what's the progress on this 3.0 you're working on? full rebuild?
any ways
pablo, don't die! if you do.... can i have your van? lol
ok serious now. so what's the progress on this 3.0 you're working on? full rebuild?
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Post Fiend
Joined: Oct 2005
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From: Kiev, Ukraine
Not sure about full rebuild... I think it is time to replace bearings, chain, rings and seals....
DCRB, I'm not sure I need overbore engine. I have to drive it carefully, becouse my engine kills clutches, trannies, UJs, birns rear tires. Aero is not designed like a fast car and with powerfull engine aero is not so reliable. Ones input tranny shaft spinned and cut teeth of countershaft. I tried to win a drug race with Mazda 6 and won, but drow home with loud grinding sound on all gears exept of 4th. M5ODR1 is not so strong like old GAZ trannies and first of all you'll get with overbore 3.0 (really 3.5) you will get grinding sound on 5th gear.
DCRB, I'm not sure I need overbore engine. I have to drive it carefully, becouse my engine kills clutches, trannies, UJs, birns rear tires. Aero is not designed like a fast car and with powerfull engine aero is not so reliable. Ones input tranny shaft spinned and cut teeth of countershaft. I tried to win a drug race with Mazda 6 and won, but drow home with loud grinding sound on all gears exept of 4th. M5ODR1 is not so strong like old GAZ trannies and first of all you'll get with overbore 3.0 (really 3.5) you will get grinding sound on 5th gear.
Senior User
Joined: Mar 2006
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From: North Carolina
Guys here recommend Felpro brand gaskets when fixing Ford V6 engine leak problems like you mentioned. I assume the Felpro gaskets stop further problems since I've not seen more posts on needing better sealing, O-ringed head gaskets, or the like.
Posting Guru
Joined: Aug 2007
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From: Portland, Oregon
Not sure about full rebuild... I think it is time to replace bearings, chain, rings and seals....
DCRB, I'm not sure I need overbore engine. I have to drive it carefully, becouse my engine kills clutches, trannies, UJs, birns rear tires. Aero is not designed like a fast car and with powerfull engine aero is not so reliable. Ones input tranny shaft spinned and cut teeth of countershaft. I tried to win a drug race with Mazda 6 and won, but drow home with loud grinding sound on all gears exept of 4th. M5ODR1 is not so strong like old GAZ trannies and first of all you'll get with overbore 3.0 (really 3.5) you will get grinding sound on 5th gear.
DCRB, I'm not sure I need overbore engine. I have to drive it carefully, becouse my engine kills clutches, trannies, UJs, birns rear tires. Aero is not designed like a fast car and with powerfull engine aero is not so reliable. Ones input tranny shaft spinned and cut teeth of countershaft. I tried to win a drug race with Mazda 6 and won, but drow home with loud grinding sound on all gears exept of 4th. M5ODR1 is not so strong like old GAZ trannies and first of all you'll get with overbore 3.0 (really 3.5) you will get grinding sound on 5th gear.
how about a 3.5l with a 4l auto tranny?