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Re: 360 performance [Re: BossRide] #527514
11/16/09 11:05 PM
11/16/09 11:05 PM
Joined: Jan 2003
Posts: 1,978
Southaven, MS
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BossRide Offline
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Southaven, MS






I dunno, maybe I should have bought a truck?? LOL.


The Blue Goose

My instagram: Bossride
Re: 360 performance [Re: erick72] #527515
11/16/09 11:52 PM
11/16/09 11:52 PM
Joined: Jul 2008
Posts: 580
Detroit,Michigan USA!
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erick72 Offline OP
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keep em comin guysa not just for me all the 360 guys

Re: 360 performance [Re: erick72] #527516
11/17/09 08:59 AM
11/17/09 08:59 AM
Joined: Jan 2003
Posts: 16,123
Grand Haven, MI
patrick Offline
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Grand Haven, MI
Quote:

yea like i wonder if itll burn the tires good? lol cause i wanna have fun with it.lol like i hope so from a dead stop.

like i hope its not gonna be a dog from a dead stop. like it will take forever to take off.




it's still not in yet? you picked it up what, 3 months ago?

it lit up my 255/50R17's very well in my 3900 lb boat with 3.55's. the main difference in setup will be the intake, and the performer should match my air gap in HP/tq to about 3000 RPM. what will or won't make it doggy from a stop will be the torque converter. the MP166K converter worked well with that engine, I'm thinking a stock low stall converter will make it feel a bit poochy. a stock high stall will probably work pretty good for about 1/2 the price of the 166K.


1976 Spinnaker White Plymouth Duster, /6 A833OD
1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!***
2011 Toxic Orange Dodge Charger R/T
2017 Grand Cherokee Overland
2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)
Re: 360 performance [Re: patrick] #527517
11/17/09 09:37 AM
11/17/09 09:37 AM
Joined: May 2003
Posts: 15,487
Florida
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scratchnfotraction Offline
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well back when I turned 16,my mom gave me an ex highway patrol car 71 FuryI 4-door with a SB 360/727 with a 150 speedo

cant get bigger than that

it was slow out the hole but from 55 to 130 it was a beast and I out ran a lot of BB on the 5 mile run..

a sb will just need a diff set up to do the same thing a BB does IMHO

example...a 318 does what a 360 will do with a lower gear

360 with a 3.23 a 318 with 3.91

360 with a 3.91 318 with a 4.30

torque rules and HP is nothing with out it

a 360 got torque a 318 does not

dont let them bother you

Boss ride is the man for useing his as a daily driver and seems to be doing just fine..nice burn out pics by the way

trust me..I have done more with less than most do with more

it needs to be a well thought out combo and you need to build it to do what you plan on doing

a race engine is for race a street engine is just that..works best in the traffic

my combo

360 headed 318 cop engine never been apart
600 carb
LD4B intake
headers duel 2.5 pipes
lunati 60710 roller cam
258/264
207/213
.485/.485
A999 stock /6 high stall lock up tc
8 3/4 with 3.23 sg
85 stepside truck
knocks down 18-19 mpgs and merges with attude,runs trip didgets on highway

drop some top end with 3.91sg but its out the hole faster

80 miles a day for a daily driver

I get asked all the time is that a 360?

be surprized what a SB will duz when you buzz the rpms up some

I run what I brung

its not a race truck,so I will see you on the street in traffic,buzz a race engine at 4800 rpms for 30 mins and see if it needs oil in the next town


Re: 360 performance [Re: scratchnfotraction] #527518
11/17/09 05:47 PM
11/17/09 05:47 PM
Joined: Jul 2008
Posts: 580
Detroit,Michigan USA!
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erick72 Offline OP
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well hopefully it will run good and do what i want it to do.

Re: 360 performance [Re: erick72] #527519
11/17/09 08:00 PM
11/17/09 08:00 PM
Joined: Jan 2003
Posts: 502
St Louis, Missouri
Runnin74 Offline
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St Louis, Missouri
I have a 74 RR with the 360 that puts out about 350hp. Its an old school build with a purple shaft .474 lift cam, cast flat top pistons, a Holley Street Dominator intake, a Holley 650 with mechanical secondaries, and headers. It is surprising how well it runs and a lot of fun too. I would not go with the single plane Street Dominator style intake as it does tend to kill low end power. Great up top, but the low end does need the help of a dual plane intake. The 650 Holley spread bore with mechanical secondaries isn't what you want for low end grunt either as it will bog big time unless you roll into it from a standing start. Other than those two points I've been very happy with the 360 in my 74 B-body. The thing I like the most is how streetable it is. The front end is lighter with the 360 and the handling is nicer because of it. My RR does have the factory sway bars front and rear and I would recomend them highly for a street driver.

Re: 360 performance [Re: Runnin74] #527520
11/17/09 09:34 PM
11/17/09 09:34 PM
Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
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HotRodDave Offline
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The holley street dominator is a good low RPM manifold NOT a high RPM piece at all. The runners are very small and long and the plenum is not real big either.


I am not causing global warming, I am just trying to hold off a impending Ice Age!



Re: 360 performance [Re: HotRodDave] #527521
11/17/09 09:56 PM
11/17/09 09:56 PM
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Posts: 1,978
Southaven, MS
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BossRide Offline
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Southaven, MS
I have an Offy 360 on mine with a 600 Holley with vacuum secondaries...


The Blue Goose

My instagram: Bossride
Re: 360 performance [Re: HotRodDave] #527522
11/17/09 11:11 PM
11/17/09 11:11 PM
Joined: Jan 2003
Posts: 502
St Louis, Missouri
Runnin74 Offline
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St Louis, Missouri
Quote:

The holley street dominator is a good low RPM manifold NOT a high RPM piece at all. The runners are very small and long and the plenum is not real big either.




My experience with this combination in this car (street hemi grind cam, Street Dominator, and Holley DP650 mech secondaries) has been the opposite. It has difficulty in the lower RPMS and pulls like gangbusters from about 2500 to 2800 all the way through 5500. The Street Dominator does have small runners. Definitely smaller than the ports on the 360 heads. The plenum is short although sized for a spread bore carb. It is a fairly open though short plenum. In my experience the smaller primary side got fairly well fuel washed while the secondary side tended to accumulate some carbon. Perhaps I never got it jetted/adjusted correctly. As I said earlier it was an old school build. I believe there are better cam, intake, and carb combinations available now.

Re: 360 performance [Re: Runnin74] #527523
11/17/09 11:59 PM
11/17/09 11:59 PM
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Posts: 595
CentralVA.
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BBCoronet Offline
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Not to highjack the thread, but say you find a nice running 360 and knowing that stock 360's are weak on compression....What street cam would help build a little compression without ripping into the engine?

Re: 360 performance [Re: BBCoronet] #527524
11/18/09 12:30 AM
11/18/09 12:30 AM
Joined: Jan 2003
Posts: 1,978
Southaven, MS
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BossRide Offline
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Mine was built without a lot of radical compression, 9 or just under, I think, and if I remember correctly my cam is a few notches above an RV grind. I told him what it was going in and what I wanted to use it for... long distance driving, some light towing, etc...

I believe this is what I got, and it was an Elgin cam:

936P
Intake, exhaust lift: .443/.465
280/290-advertised duration
Intake and exhaust duration @ 50: 214/224
61º overlap
107º lobe center
Stock valves, a good valve job and adjustable pushrods.

In my car, it takes a minute to wake up with the tall rear gear, but it roars pretty good when spooled up.


The Blue Goose

My instagram: Bossride
Re: 360 performance [Re: Runnin74] #527525
11/18/09 12:42 AM
11/18/09 12:42 AM
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Posts: 36,040
Lincoln Nebraska
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RapidRobert Offline
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Lincoln Nebraska
Quote:

The Street Dominator does have small runners. Definitely smaller than the ports on the 360 heads.


Yes the SB street dominator has 318 sized ports. I'm putting one on a magnum head 360 & should be a good fit


live every 24 hour block of time like it's your last day on earth
Re: 360 performance [Re: BBCoronet] #527526
11/18/09 08:11 AM
11/18/09 08:11 AM
Joined: Jan 2003
Posts: 16,123
Grand Haven, MI
patrick Offline
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Grand Haven, MI
Quote:

Not to highjack the thread, but say you find a nice running 360 and knowing that stock 360's are weak on compression....What street cam would help build a little compression without ripping into the engine?




the cam that is in Erick's motor (used to be my old one): Comp XE262. that coupled with a lot of timing (~18-20 initial, ~36-38 total) works real good. a voodoo 60402 would be a similar choice. pulled great from ~1500-2000 to 5500 or so. if you want to bias a little more towards low end grunt, I'd look at an XE256 or voodoo 60401.


1976 Spinnaker White Plymouth Duster, /6 A833OD
1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!***
2011 Toxic Orange Dodge Charger R/T
2017 Grand Cherokee Overland
2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)
Re: 360 performance [Re: patrick] #527527
11/18/09 09:10 AM
11/18/09 09:10 AM
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Posts: 15,487
Florida
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scratchnfotraction Offline
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holley street dom and a q-jet with the 2nd dary spring tighten up will get rid of the bog

I ran one with good results and no bog

all in how you tune it IMHO

I have run the SD on some stock 318 and never had a prob with it boging

its for a 2-v to 4- swap from the get go,so holley said,70 HP with a 2-v cam

I think it will be the best bang for the buck with a stock 2-v cam..I know mine was

with a low CR high lift and short dur are a big plus..

plenty of newer cams out there just for the lopo engines

sucxh as a hughes whiplash early intake close for building cyl pressure

not starting a pizzing match,but all I have every run is close to stock used junk,tuned right to get the most out of it

does it out run every thing?..no

does it surprize some when it does? most deffenetly

runwhatyoubrung

I am in to the fun of it..dont care if its slow

as long as it showboats


Re: 360 performance [Re: scratchnfotraction] #527528
11/18/09 02:15 PM
11/18/09 02:15 PM
Joined: Oct 2009
Posts: 118
Sarasota, Fl
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siggie30 Offline
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Sarasota, Fl
I am by no means an expert on engines, but it seems to me that engineers put these engines in larger vehicles (like full size, extended cab, long bed pickups) and do not worry about it. I myself have chosen the magnum over the older 360, for reason of newer metal, less abuse, and newer technology (ie. roller lifters, etc.). Since the technology of the 60's and 70's helped pave the way for today's newer technologies, why not use it to your advantage. With the exception of the torque output of big block engines, small block engines can move a proportionately ratioed mass the same way. Also, power adder technology has moved from the racing circuits into main stream enthusiasts, which is lighter and tuneable (unfortunately more things to break eventually).


I don't even have 1/2 lift, but the other 1/2 is nitroused.
Re: 360 performance [Re: siggie30] #527529
01/06/10 03:49 AM
01/06/10 03:49 AM
Joined: Jul 2008
Posts: 580
Detroit,Michigan USA!
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erick72 Offline OP
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any other inputs?

Re: 360 performance [Re: erick72] #527530
01/06/10 06:48 AM
01/06/10 06:48 AM
Joined: Dec 2009
Posts: 1,074
detroit, mi
POS Dakota Offline
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Posts: 1,074
detroit, mi
A dakota r/t is a 360, weighs like 4500ish lbs from the factory, but has no problems breaking both tires loose from a stop and was very fun to drive on the street.

There are people with these heavy trucks running high 12s and low 13s with relatively mild combos since they need to be friendly with the EFI. Much easier to do with a carbed car since you dont have to worry about the computer liking it.

A similar combo in your car will make it haul ass.
And you;re damned right it'll do some great burnouts (both tires) without the brakes.

invest in a set of decent heads/porting and pick the right cam/stall, and you can make great power with a 360 no doubt. And for pretty cheap.

Re: 360 performance [Re: POS Dakota] #527531
01/06/10 09:04 AM
01/06/10 09:04 AM
Joined: Nov 2006
Posts: 1,086
Baton Rouge, La.
StandOnIt Offline
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Posts: 1,086
Baton Rouge, La.
I threw a 360 together and put in a 73 Dart that I tore up the 340 in. It was a basic 360, a set of iron heads, a comp 292 shelf cam, KB shelf pistons, 904 trans with a 4.10 rear gear. The dart is lighter that your car but it ran 11.70's in the 1/4 mile and ran for years, pump gas motor. Dont let someone talk ya into thinking that the 360's are junk. They are alot of fun and will push that B body just fine. Put it in and drive the wheels off. If ya feel that its too slow for ya, put a little squeeze on it and watch it go....


76' Volare, 5.9 magnum w/Iron heads. New best 10.68 at 123 mph 1/4 mile.
Re: 360 performance [Re: erick72] #527532
01/06/10 10:09 AM
01/06/10 10:09 AM
Joined: Sep 2004
Posts: 22,873
Chicken coop
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How much does a '72 Satellite weigh anyway? My supposedly 'light' '73 A-body weighs 3,500 pounds with me in it. I can't see a Satellite weighing that much more.

A 340 small block propels my fat Duster just fine.

Re: 360 performance [Re: dustergirl340] #527533
01/06/10 10:26 AM
01/06/10 10:26 AM
Joined: Jan 2003
Posts: 9,872
Weddington, N.C.
Streetwize Offline
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360 is a very good motor to base a HP motor from, really just a set of Inexpensive 10:1 sealed power or KB High compression pistons, decent induction (like a used perf RPM, 650-750Dp holley and a good ~224/230 @.050 cam) and a little port work from making right at or just over 400hp with more torque than a comparable Chevy or ford.


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