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Unread 01-19-2011, 04:00 PM   #46
90islander
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1990 YJ Wrangler 
 
Join Date: Sep 2008
Location: Flagstaff, AZ
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Quote:
Originally Posted by mdm View Post
What caused you to have wiring issues?
I used the 4.2 body harness. So I had to splice in the tail lights and turn signals. I also broke the starter rod in the steering column so I had to make it a push button start. I also put in an taurus electric fan so I wire that too. I really had no wiring experience before I tackled this.

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Unread 01-20-2011, 09:48 AM   #47
carnuck
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The biggest problem strokers have had is the piston coming out of the bottom of the bore too far. This causes excessive wear at the bottom of the bore and is probably responsible for most of the busted engines.
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Unread 11-13-2013, 09:38 PM   #48
Brentmo
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I did put a HT383 stroker crate motor in my 98 Chevy K1500 to replace the stock 350 that spun a bearing at 140K. Rebuilt the tranny at the same time and replaced the gov lok diff with an eaton posi-traction. It was the best thing ever! It's the engine the truck should have come with from the factory. It moves out, never lacks for more gas pedal if/when needed, and you just can't floor it because you don't want to go that fast, anywhere. Durability? Was my daily driver for three years until I bought a JK Wrangler. So now it's the towing, hauling, and long distance highway trip rig. It's been 8 years and 110,000 miles and the motor is strong as ever. Passes California smog every time, they don't even know it's in there. I do put premium in it, and city mileage is 10-12mpg depending how hard I lean into it (can't help myself), but highway mileage gets better the faster I cruise, up to 20mpg. All I can figure is the torque is so great, air resistance just isn't a limiting factor at reasonable highway speeds.
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Unread 02-04-2014, 07:10 PM   #49
UtChaz
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1997 TJ Wrangler 
 
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Quote:
Originally Posted by SILASPRIT View Post
Strokers generally dont last as long because of the longer stroke, its very hard on the rod bearings.... It is most commonly cheaper to swap in a V8. Besides who wants a stroker over a V8?
Generally, it falls on us people in Emission's Strict states to resort to building what is legal. I would have found a Ford New 5.0 and put it in but Utah says I can't because I live in a country that requires the exact same motor to replace the one it had originally; that was straight out of the mouth of the State Referee before I canned the V-8 idea.
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Unread 02-04-2014, 07:33 PM   #50
frenchy206
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2003 TJ Wrangler 
 
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How would they know that you changed the engine? Do they look under the hood?
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Unread 02-05-2014, 10:17 PM   #51
UtChaz
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1997 TJ Wrangler 
 
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Hell yes they look under the hood...

Quote:
Originally Posted by frenchy206 View Post
How would they know that you changed the engine? Do they look under the hood?
They most certainly do. The inspect the VIN # on the vehicle and then the engine to see if all matches. Not to mention, here in Utah, the inspector is being video taped, with the recorded located elsewhere away at a central recording station ran by the Emissions People, while they do the tests and so on and so forth. No way of cheating, even if the inspector would risk their job and shop...
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Unread 02-07-2014, 09:49 AM   #52
Brentmo
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My 2 cents: Axl Jack gives a great geometry lesson, but really only applies to define the limits of stroking a motor. Stay inside the limits and there is plenty of room for useful improvement. In this case, the stroker 4.7 litre uses the crank and rods of the 4.2, A motor well known for its torque and durability and proven by its long production run and large numbers still on the road twenty years later. The 4.0 block is essentially the same, but has a wider bore (how we get to 4.7 just by adding a 4.2 crank) so there is even more clearance for the rod angles generated by the 4.2 crank than it had in it's original motor. We're not talking extremes here, just a happy coincidence of interchable parts with proven durability.
I have a California Chevy K1500 with an HT383 stroker crate motor. It has the same heads as the original 350 so it uses all the stock intake and injection components. The stock ECM was reprogrammed for the stroker. The only giveaway at our stringent CA biennial smog checks is that it has a set of Gale Banks headers. They immediately look for the CARB sticker designating they are certified smog legal in CA. Other than that have never clued in there was anything different about the motor. Lots of cars have replacement motors and they don't "match the numbers." In 9 years, I've put 110,000 towing miles on it in and it still puts a grin on my face every time I drive it. At this point, it seems it will outlive the truck.
I just purchased a 288 (4.7) stroker for my Eagle restoration from S&J Engines in Spokane. I'll let you know how much fun it is or isn't when I get to drive it.
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Unread 03-03-2014, 12:08 AM   #53
XJ2CJ
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1981 CJ7 
 
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Quote:
Originally Posted by UtChaz View Post
They most certainly do. The inspect the VIN # on the vehicle and then the engine to see if all matches. Not to mention, here in Utah, the inspector is being video taped, with the recorded located elsewhere away at a central recording station ran by the Emissions People, while they do the tests and so on and so forth. No way of cheating, even if the inspector would risk their job and shop...
I may have missed it, but where is the vin on the engine? I talked to one of the cali places and they said it just has to have everything for the year the engine is out of. I'm planning a stock setup as far as would be visually identifiable, that or move to a state that doesn't care so long as it passes the sniffer.
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