Net horsepower rating of 1966 D200 318 "poly" and

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Net horsepower rating of 1966 D200 318 "poly" and

Postby Guest » Sun Oct 03, 2004 2:17 am

What was the Net HP ratings on the 1966 D200 318 "Poly" and the 361 V-8's? Note: I'm referring to the Net HP ratings(Not the Gross HP ratings)!
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Postby wideblock » Sun Oct 03, 2004 2:00 pm

on my 66 poly, the only hp ratings i saw was the 200hp sticker on the valve cover, and the 198hp listed on the door tag.
Trey


ex trucks:
1970 D100 Adventurer
66 d100
66 d100
67 d100
69 d100
69 d200 crew cab
65 crew cab
66 d100
66 d100


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Postby 1966D100 » Sun Oct 03, 2004 6:04 pm

same here, though i read in an old article that some made about 230hp
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Postby wideblock » Sun Oct 03, 2004 8:06 pm

that would be what i think they called the "spitfire" or something like that. it was a twin 4bbl poly in one of the car lines.
Trey


ex trucks:
1970 D100 Adventurer
66 d100
66 d100
67 d100
69 d100
69 d200 crew cab
65 crew cab
66 d100
66 d100


"i don't know it all, but i know enough to be dangerous"
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Postby nfury8 » Sun Oct 03, 2004 11:25 pm

Chrysler was notorious for understating the HP ratings on their vehicles back in the day.
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Postby Jeffc » Mon Oct 04, 2004 8:52 am

The truck polys all had a HP factory rate of 200hp unless they were
the hydro lifter class 2 or 3 truck engine (that rate is 210),
car rates were as follows-
230hp 2bbl, 260hp 4bl and 290hp 2x4, there are also diffreances in the cam
from the factory all the engines with the trucks being long derration
low lift ( from around .19 to .21 lift in trucks, in car engines a high of around
.38 lift in 290 2x4 1957/58 engine from the factory)
There is also a compression
differance between the car and truck engines, trucks were a little
under 8 to 1, cars ran from just under 9 to 1 too just over 9.2 to 1.
In cars the 4bbl was gone by 1963 and the 2x4 was gone 1959 (books
list 58 as last year for the 2x4, but I have a friend that has 59 Fury with the 2x4 from the ordered and install at the factory though the dealer).

Spitfire was the name used in the 50s for poly engines, mostly by Dodge
and Chysler to denote the standard v8's other than Hemis.

I don't have the truck rates for the 361, but the most common car rates are
265hp 2bbl, 305hp 4bbl and 310hp 2x4
http://imageevent.com/jeffc
62 D100 225 3sp lwb
64 D100 A318 727pb custom lwb
66 D100 A318 4sp lwb
68 D100 B383 727 swb
65 Dart GT LA273 2bbl 904
73 Scamp 225 2bbl 4sp od
68 P300 318 727 base Oasis 22' RV
71 for sale D200 318 auto parts truck could be fixed compleat $400
Old iron or no iron!
One size does NOT fit all!
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Postby 1966D100 » Tue Nov 02, 2004 8:10 am

i found some more info.

A guy posted this, his is a 318 polysphere out of his 64 ut. Completly stock.

He found that his was making 202 bhp at 3,900 RPM at mph equivilent of 82 mph and it was making 286 ftlbs of torque at 2,400 RPM

Not saying that everyone will have the same results, but thats atleast a good baseline for the trucks :study
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