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Mac P
Dodge Dakota
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11/29/2007
17:53:24
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 Subject: Larry!!!
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Message:
I seem to remember you stating that some 3.9 owners were able to reach 200hp N/A with a bit of mods. Am I correct? If so, can you tell me how? Where to start?
Thanks for any info you are able to give me.
Also, what seems to be the upper limits for the 3.9 N/A? Turbo'd? Super'd?
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GB2000
GenIII
11/29/2007
21:10:37
| RE: Larry!!!
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Message:
http://mark.dodgedakotas.com/
Do a search there...
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J and J Auto
GenII
11/30/2007
04:07:42
| RE: Larry!!!
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Message:
i CANT SEE ALL OF YOUR POST BECAUSE OF THESE DAM
ADDS
a stock 3.9 with the mods can hit 175 rear wheel
with port match intake devider removes and runners
shortened to 14" just a good port clean and
polish no actual porting I have seen a few
hit 200 I have hit just over 200 with my
stock internal on a good day in my 4x4
if you want to go behond that cam and compresion
are 2 major factors here open intake bores to
50mm and run a 50mm fastman or f&b
my first stroked motor I built hit 267/300
with a 48mm F&B
my second with a 50mm 309/322
but these motors also cost $6,000 and $8,000
not including labor
Larry
J&J Auto
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Mac P
Dodge Dakota
JOIN HERE
11/30/2007
16:58:00
| RE: Larry!!!
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Message:
"the best plug for the money is the NGK Vpower"
"I will still swear by the halo's but there $9 ea
vpower around $2.25"
Larry, do you feel the Halos are worth the price difference? Also, which ones do you recommend for a 98 3.9 with 14xxxx on the dash?
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J and J Auto
GenII
12/01/2007
22:55:03
| RE: Larry!!!
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Message:
Yes my opinion they are worth the money but its
just like synthetic oil people just do not beleave
it makes any diff
for those stay with the $.99 autolite from walmart
halo 17 stock range
halo 15 1 colder
If you have any mods or plan on doing them go 1
colder and 99% of the trucks run better and get
better mileage 1 colder but than there is always
a few that do not but I think those trucks have
other issues
I stack them up as follows
champ
autolite
NGK V
Halo
the autolites run a little better than the champ
the ngk there is a very noticeable diff in power
and both KRC and Hughes engines are now selling
the ngk for the mag motors
the bosch reg is ok the +2 and +4 are junk in
these motors and run like crap
there is a noticeable diff from ngk to the halo
But I also know in todays world with everything
going up in price just cant afford to pay $9ea
for plugs
I figure it this way every time I leave my house
I spend a $100 and don't get much for it
I only go away 2 or three times a month to stores
and stuff like that these days my nearest gas
station is a 32 mile round trip
walmrt 60 mile round trip so gas hits me right away $5 just to go to the gas station and back
now thats rediculess to me
when I start driving gas was like $0.18 $0.19
a gallon
Larry
J&J Auto
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Mac P
Dodge Dakota
JOIN HERE
12/07/2007
20:25:59
| RE: Larry!!!
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Message:
Is there anyway to post pictures on these boards...probably for members.
In any case, I discovered that I have a set of Bosch Platinum FR8LPX in my 3.9 Magnum and I was wanting someone to 'read' them (I took pics).
Let's see if I can describe them:
The center piece is white, and the tip is blackened. The ring with the threads is black on the edges and the hook is dullish white.
I don't know how long they been in, but I'm looking to replace them with some Halo's.
Any help would be greatly appreciated.
Thanks,
Mac P
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Curly
Dodge Dakota
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12/07/2007
22:23:05
| RE: Larry!!!
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Message:
Hi Mac
Go to some place like say Photo Bucket and upload the pictures. Then just copy and paste the link or URL in here.
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J and J Auto
GenII
12/13/2007
06:32:09
| RE: Larry!!!
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Message:
the center white porclin should be a light tan
color if not to hot or to lean
I see a lot of this and the air/fuel ratio needs
to be right than you run good
Larry
J&J Auto
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daddio
Dodge Dakota
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12/13/2007
09:04:05
| RE: Larry!!!
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Message:
here is a page on how to read plugs.
http://www.dansmc.com/Spark_Plugs/Spark_Plugs_catalog.html
scroll down to the pics.
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kemajic
Dodge Dakota
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2/09/2008
17:13:36
| RE: Larry!!!
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Message:
Larry, can you tell me where you found your 3.9 stroker kits? I can't seem to find them anywhere. I tried emailing you direct, but you did not accept my address. Thanks.
kemajic in PA
'98 5.2 auto Reg cab short box 4X4
'87 3.9 std. Reg cab short box 4X4
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THe_MiLK_MaN
Dodge Dakota
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2/10/2008
04:03:30
| RE: Larry!!!
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Message:
READ THIS:
http://www.dodgedakota.net/boards/v6/14757.html
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kemajic
Dodge Dakota
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2/10/2008
12:16:22
| RE: Larry!!!
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Message:
Thanks Milk Man
I had read this entire thread before. Very useful tips that I have bookmarked. Larry is the man. But I can't find a mention of the 3.9 stroker. The normal stroker kit suppliers don't return my emails.
kemajic in PA
'98 5.2 auto Reg cab short box 4X4
'87 3.9 std. Reg cab short box 4X4
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THe_MiLK_MaN
Dodge Dakota
JOIN HERE
2/10/2008
19:49:47
| RE: Larry!!!
IP: Logged
Message:
Stroker Threads
http://www.dodgedakota.net/boards/v6/1102.html
http://www.dodgedakota.net/boards/v6/6515.html
http://www.dodgedakota.net/boards/v6/7575.html
I'm sure there are more but I have looked these over a few times.
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daddio
Dodge Dakota
JOIN HERE
2/11/2008
12:24:30
| RE: Larry!!!
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Message:
i don't think anyone is making those kits anymore.
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kemajic
Dodge Dakota
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2/15/2008
14:26:53
| RE: Larry!!!
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Message:
That's the conclusion I've come to. Humbug. Stokerkits.com said they looked at it once, but never went forward. A quote from Hughes Engines, "The split crankpin that the V6's use make this a very complex/expensive crankshaft to stroke." I wish I knew where Larry from J&J Auto got his.
My sweet original one owner '87 4X4 short box stick, needs repowering. I guess I could go to one of my LB stroker engines, but then I'm talking complete power train change and I'm not so sure I want that big of a project, nor do I want to take a torch to the little guy.
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J and J Auto
GenII
2/16/2008
23:48:53
| RE: Larry!!!
IP: Logged
Message:
I just was in the right place at the right time
The local off road racing team had 6 or 8 raw
billits and I bought 2 1 3.58 and 1 at 4.0 stroke
They were for off road race trucks we do all
there paint work for the last 25 30 years so I
was lucky
stroker kits was making them only sold a few
and stoped some blocks the counter weights would
not clear is one reason they stoped
not all castings are the same
Larry
J&J Auto
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kemajic
Dodge Dakota
JOIN HERE
2/20/2008
10:33:05
| RE: Larry!!!
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Message:
Thanks Larry. If you ever hear of one becoming available, I'd sure be interested. I'd love to build a strong Magnum V6 for the '87, which I bought new.
Kemajic in PA
'68 Barracuda conv; 368ci, 4 spd.
'66 Belv. II hdtp; 496ci, LB 4 spd.
'87 Dakota 4wd; short, 3.9, 5 spd.
'94 Grand Cherokee 4wd; 5.2, auto
'98 Dakota 4wd; short, 5.2, auto
'05 300C; 5.7, auto
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