02V8Sport
Dedicated LVC Member
The bigger issue is the block wasnt built to handle boost from the factory, not that it is all aluminum. My all aluminum MazdaSpeed6 motor is running 22PSI all day long.
Bought spare V8 engine any differences 04 to 05
- Thread starter 04SCTLS
- Start date
The bigger issue is the block wasnt built to handle boost from the factory, not that it is all aluminum. My all aluminum MazdaSpeed6 motor is running 22PSI all day long.
Quik LS
Dedicated LVC Member
right - I too own/have owned several high boost aluminum block cars. I was trying to understand what he thought he knew about the LS.
I think I'll be happy with the 6-7 intercooled psi.
$5000.00 for custom internals plus another 5000.00 for a Level Ten
transmission and torque converter http://www.levelten.com/store/lincoln.htm
plus labor gets to be ridiculously expensive as a hobby which is what this is for me.
Got a fresh Golen 383 stroker LT1 racing engine with 4 bolt mains and all forged internals going into my 97 Camaro convertible with a full race A4 transmission.
With the Powerdyne S/C should be good for 500 hp. That will keep me entertained and smiling for a while.
$5000.00 for custom internals plus another 5000.00 for a Level Ten
transmission and torque converter http://www.levelten.com/store/lincoln.htm
plus labor gets to be ridiculously expensive as a hobby which is what this is for me.
Got a fresh Golen 383 stroker LT1 racing engine with 4 bolt mains and all forged internals going into my 97 Camaro convertible with a full race A4 transmission.
With the Powerdyne S/C should be good for 500 hp. That will keep me entertained and smiling for a while.
Really. So what's the difference between the blocks of the AJ35 and the AJ26S/AJ34S used the Jag R cars?
lincoln00
Dedicated LVC Member
on the back of the motor is there anything that could leak oil... I see one line that looks like a vacuum line... then a black line underneath the intake on the passenger side... I think my small leak is a valve cover but not sure...
my leak runs down both sides of the motor around the bell housing!
my leak runs down both sides of the motor around the bell housing!
02V8Sport
Dedicated LVC Member
Redesigned block and bed-plate make new engine even lighter and stiffer than original, further improving refinement.
ford nut
Local nut case
Nice find and a good price.
You may never need it.
If it was me I would do a compression ck and a leak down test then bag it up and put it into a corner.
If you want it to be a turn key motor ready to install I would do more.
I would put it on a stand pull the pan and check bearings.
I have a buddy who does repairables, you can never believe the stories.
Sometimes these motors wind up in a rollover, and spend time running upside down.
You may never need it.
If it was me I would do a compression ck and a leak down test then bag it up and put it into a corner.
If you want it to be a turn key motor ready to install I would do more.
I would put it on a stand pull the pan and check bearings.
I have a buddy who does repairables, you can never believe the stories.
Sometimes these motors wind up in a rollover, and spend time running upside down.
ILLS
Dedicated LVC Member
The stock 302 blocks were inherently VERY weak from the factory. There are very few engine blocks that will barely hold more power than their stock non-fogred internals will hold but the 302 is one of them. Just crap for OEM block construction. More modern blocks have usually been build to hold ALLOT more power. A stock 4.6 V8 block itself will hold 800-1000+ no problem, and usually allot more. Mind you that includes even the WAP and Teksid aluminum blocks too. I am sure that the LS 3.9 block will be able to withstand some pretty decent power assuming the rotating assy is upgraded first. I do not expect it ot hold 1k hp like the 4.6 blocks do but I bet it will be pretty respectable. I have not dug in far enough to the LS 3.9 block itself to determine where I personally think it will fail but I usually have a pretty good feel for the OEM production abilities of years past.
I bought a used starter on ebay so I can do a compression and leakdown test.
I want to coat the insides of the cylinders with oil.
My mechanic friend said to turn the flywheel a bit every 3 months if I want to long term store it.
I may never need it but between the turbo and wanting to keep it for at least another 5 years the old engine will wear out.
If I had to actually put it in I'd pull the pan and inspect it.
I put the S/C with 6 psi on my Camaro when it had 100,000 hard miles.
It lasted another 25,000 miles before wearing out.
cammerfe
Dedicated LVC Member
AJ Engine Architecture
I'm very interested in the thoughts mentioned here regarding the power capacity of the AJ engine line. Let's start with:
The basic design of the crank-case is built around a lower main bearing girdle that is cast from aluminium and contains all five main bearing caps. The caps themselves are ferrous, cast into the girdle, and have four main bolts (easily replaced by studs). There are more than a dozen cap-screws around the perimeter, holding the girdle to the block. To finish the 'sandwich', the sump is again a full-perimeter aluminium casting, containing a louvred windage tray, once-again bolted to the girdle.
The block has cast-in-place ferrous sleeves. The valley has an opening on the uppermost level, but the next level down is solid. The water jackets to cool the cylinders only extend down about the uppermost inch-and-a-half. The lower parts of the sleeve support area are cast solid.
The head bolts are 7-8 inches long and anchor into the block area adjoining the upper main saddles. Performance efforts will call for replacing the bolts with ARP studs.
A five litre version of this engine makes 550 HP, normally aspirated. The supercharged version is a 400 HP+ daily driver. Another version is the powerplant of choice for the V-8 Aston Martin.
Please explain your reasons for supposing early failure.
KS
I'm very interested in the thoughts mentioned here regarding the power capacity of the AJ engine line. Let's start with:
The basic design of the crank-case is built around a lower main bearing girdle that is cast from aluminium and contains all five main bearing caps. The caps themselves are ferrous, cast into the girdle, and have four main bolts (easily replaced by studs). There are more than a dozen cap-screws around the perimeter, holding the girdle to the block. To finish the 'sandwich', the sump is again a full-perimeter aluminium casting, containing a louvred windage tray, once-again bolted to the girdle.
The block has cast-in-place ferrous sleeves. The valley has an opening on the uppermost level, but the next level down is solid. The water jackets to cool the cylinders only extend down about the uppermost inch-and-a-half. The lower parts of the sleeve support area are cast solid.
The head bolts are 7-8 inches long and anchor into the block area adjoining the upper main saddles. Performance efforts will call for replacing the bolts with ARP studs.
A five litre version of this engine makes 550 HP, normally aspirated. The supercharged version is a 400 HP+ daily driver. Another version is the powerplant of choice for the V-8 Aston Martin.
Please explain your reasons for supposing early failure.
KS
lincoln00
Dedicated LVC Member
normally a stock block isn't that strong... that's my reason for early failure... I don't think Ford would have made this motor as stronger as the 4.6L.
It wasnt build with PERFORMANCE in mind!
It wasnt build with PERFORMANCE in mind!
Silver_LS
Dedicated LVC Member
I'm not sure I can agree with this. Lately, we've been spoiled by 300hp Mustangs and 250hp grocery-getter sedans, but when the AJ30 was built for the LS, a 252hp V8 wasn't exactly a slouch, and a V8 that revved to 6500rpm wasn't commonplace.
The AJs may not have been built for what you consider performance now, but that's just because our definition of "performance" has changed in the last decade.
Quik LS
Dedicated LVC Member
what actual experience do you have on this? I see you weighing in on many thread but I have yet to see facts.
The LS V8 was one of Ward 'Top Ten Engines' - we are now 10 years past where the design and target was when it was created.
cammerfe
Dedicated LVC Member
I beg to differ!!!
As Quik says, just above, the design of the engine won a very prestigious award when first introduced. Although some versions were later put in vehicles without a performance history, the original 'home', at Jaguar, has a very long and emphatic place in racing annals.
Study automotive competition records, grasshopper!!!
KS
My 2nd gen car with the tune and CAI probably makes 300 hp out of 242 cubic inches which is a very efficient 1.24 hp/cu inch.
If it was a 350 cu inch engine it would be making 434 hp.
That's why there isn't much room for improvement hence lack of aftermarket performance parts.
Hyundai has just come out with it's BMW Mercedes competitor Genesis a 40k 4dr sedan much like an LS 3.8 liter 280 hp V6 except you can get a 375 hp 4.6 liter 280 cu inch DOHC computer controlled variable valve timing engine.
Too bad Ford never put in a bigger engine in our LS's.
It would have made the difference.
If it was a 350 cu inch engine it would be making 434 hp.
That's why there isn't much room for improvement hence lack of aftermarket performance parts.
Hyundai has just come out with it's BMW Mercedes competitor Genesis a 40k 4dr sedan much like an LS 3.8 liter 280 hp V6 except you can get a 375 hp 4.6 liter 280 cu inch DOHC computer controlled variable valve timing engine.
Too bad Ford never put in a bigger engine in our LS's.
It would have made the difference.
Quik LS
Dedicated LVC Member
It is very effecient.
in my calculations - I have been using this formula:
boost = drive ratio X blower displacement X 25.58 / engine displacement - 14.7
so for example:
drive ratio = crack pulley / sc pulley = 5.635/2.7 = 2.0938
boost = 2.0938 X 90ci X 25.58 / 240ci - 14.7
boost = 4820.34636 / 240 - 14.7
boost = 20.0847765 - 14.7
boost = 5.39 psi
This calculation assume a very effecient engine. It breaths so well - the FI requires me to spin the blower very fast to make the same boost an less effecient engines.
One thing to note - I have also seen 'load' of over 150% on my car.
hence one of the worst limitations of the DEW98 platform. However, if the LS was still around today, it would likely be getting the Eco-Boost twin-turbo V6 next year!
lincoln00
Dedicated LVC Member
my point is that if this engine is worth it to use for big power gains and strength, the aftermarket would be HUGE... Not just the LS but all the other cars that us the AJ engine.... look at Jag and Ford and lincoln cars that have this AJ motor and NO aftermarket....
Yes you can make damn near anything have a lot of power.. but if this is such a superior Engine design it would have a hell of a lot more aftermarket then a K&N intake....
yea the AJ block in the JAg has 400HP... ok big deal... what about after that... and i bet thats a cast iron block...
who gives a flying :q:q:q:q about some BS award... Look at all the awards Hyundai has and it is still the biggest ply of crap I have ever seen! I bet the lincoln won a handful and look how unrefined they are.. :q:q:q:q we got a LS that was boosted for what a weak and it Broke?
Yes you can make damn near anything have a lot of power.. but if this is such a superior Engine design it would have a hell of a lot more aftermarket then a K&N intake....
yea the AJ block in the JAg has 400HP... ok big deal... what about after that... and i bet thats a cast iron block...
who gives a flying :q:q:q:q about some BS award... Look at all the awards Hyundai has and it is still the biggest ply of crap I have ever seen! I bet the lincoln won a handful and look how unrefined they are.. :q:q:q:q we got a LS that was boosted for what a weak and it Broke?
Quik LS
Dedicated LVC Member
again - Zero logic in any statement you make.
you owe us a piece of the internet back.
you owe us a piece of the internet back.
cammerfe
Dedicated LVC Member
I'm reminded of the comment that it takes all kinds. This is just another kind!!
KS
KS
lincoln00
Dedicated LVC Member
whats your logic thats making this ENGINE so great... you got over 300HP out of it... Big deal... is it because you got a 3700 lb car with 350ish horse power to run a mid 13.... Big deal. where is your proof of it being this all so superior ENGINE.....
what is making you any different from a riced out honda with a turbo Running 13's with 10lbs of boost... Where is your Proof that its so great, An award?
oh wait it makes 1.24hp per cubic inch... LOL that's been going on since the F*cking 60's
what is making you any different from a riced out honda with a turbo Running 13's with 10lbs of boost... Where is your Proof that its so great, An award?
oh wait it makes 1.24hp per cubic inch... LOL that's been going on since the F*cking 60's
LsUnV2
Dedicated LVC Member
do you hate your car????
lincoln00
Dedicated LVC Member
no I don't... I'm saying it as superior as they seem to think it is...
My lincoln ls my daily driver... when i plan to make something fast its going to consist of a 88MM turbo and BBF 460 stroker.... not a 3.9L With no aftermarket support
my hole point is that this engine in stock trim... cant handle all that much... Its no better then any other stock V8 engine..
My lincoln ls my daily driver... when i plan to make something fast its going to consist of a 88MM turbo and BBF 460 stroker.... not a 3.9L With no aftermarket support
my hole point is that this engine in stock trim... cant handle all that much... Its no better then any other stock V8 engine..
LsUnV2
Dedicated LVC Member
OH, just checking
yes I was just going to say
My car is pleasure only and I'm having fun.
No one's saying this is the best engine ever.