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Re: 360 Stroker info please... [Re: MNobody] #442282
08/19/09 02:31 PM 08/19/09 02:31 PM
Joined: Jan 2003
Posts: 16,123
Grand Haven, MI
patrick Offline
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patrick  Offline
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Grand Haven, MI
Quote:

Thanks for the info Robert, i forgot you were building one. I need Piston ideas too, something in the 10-10 1/2 comp range.



with 72cc J heads, KB forged flat tops will be 10.5:1 with a fel pro 8553PT gasket (.054" thick) will net you 10.5:1

the SCAT I beams probably won't need block clearancing. stockers will.

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 Stroker info please... [Re: patrick] #442283
08/19/09 07:46 PM 08/19/09 07:46 PM
Joined: Feb 2005
Posts: 2,709
NJ central
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Scamp408 Offline
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Just buy mine when I get ready to do the new motor.

Re: 360 Stroker info please... [Re: patrick] #442284
08/19/09 07:53 PM 08/19/09 07:53 PM
Joined: Feb 2005
Posts: 4,884
Michigan
MNobody Offline OP
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MNobody  Offline OP
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Michigan
Quote:

Quote:

Thanks for the info Robert, i forgot you were building one. I need Piston ideas too, something in the 10-10 1/2 comp range.



with 72cc J heads, KB forged flat tops will be 10.5:1 with a fel pro 8553PT gasket (.054" thick) will net you 10.5:1

the SCAT I beams probably won't need block clearancing. stockers will.




Cool Thanks will the Rod's out of my 318 work in the 360?
Re: 360 Stroker info please... [Re: MNobody] #442285
08/20/09 05:49 AM 08/20/09 05:49 AM
Joined: Jan 2003
Posts: 16,123
Grand Haven, MI
patrick Offline
I Live Here
patrick  Offline
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Grand Haven, MI
if it's a 73 or later 318, the rods are identical to 360 rods...you'll need to clearance the block. shoot for ~ .060" clearance between the rod bolt and the bottom of the cyl

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 Stroker info please... [Re: patrick] #442286
08/20/09 12:18 PM 08/20/09 12:18 PM
Joined: Feb 2005
Posts: 4,884
Michigan
MNobody Offline OP
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MNobody  Offline OP
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Cool it's a 74 motor but the rods aren't stock, i think they are TRW's.
Re: 360 Stroker info please... [Re: MNobody] #442287
08/20/09 03:06 PM 08/20/09 03:06 PM
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Joplin, Mo
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rt66jim Offline
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Joplin, Mo
Well this is JMO. My 416 has Wiseco pistons zero deck hgt. 72cc W2's. CR is 11.2. I believe that the 528 cam is around 254*@.050, This should work real good in a 408. The long stroke eats up alot of duration. How loose will the converter be? That intake will work very well with those heads. On my old 340 that manifold was faster the either a Holley street dom or the strip dom. The carb is good until you get some good heads. Then they really like a 950HP. I would use at least 1 3/4" tube headers as well. You will like the TQ they make. Jim

[IMG]http://i34.photobucket.com/albums/d104/rt66jim/scan0001_zpso6tfgkqx.jpg[/IMG]
Re: 360 Stroker info please... [Re: rt66jim] #442288
08/20/09 03:14 PM 08/20/09 03:14 PM
Joined: Feb 2005
Posts: 4,884
Michigan
MNobody Offline OP
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Thanks for the info Right now i have a 4200 stall with 3:91 gears, i plan on having the converter redone to the stall i need. I'm guessing in the 3000 range?
Re: 360 Stroker info please... [Re: MNobody] #442289
08/20/09 03:20 PM 08/20/09 03:20 PM
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Joplin, Mo
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rt66jim Offline
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My cam is 272@050 610 lift. I have a TA 4200 convertor. It flashes 5400. If yours is a good converter. It might be very close as is. Are you going to use the cast or forge crank? Jim
Re: 360 Stroker info please... [Re: rt66jim] #442290
08/20/09 03:28 PM 08/20/09 03:28 PM
Joined: Feb 2005
Posts: 4,884
Michigan
MNobody Offline OP
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Michigan
Quote:

My cam is [Email]272@050[/Email] 610 lift. I have a TA 4200 convertor. It flashes 5400. If yours is a good converter. It might be very close as is. Are you going to use the cast or forge crank? Jim




I'm thinking cast steel for the crank to keep the price down as long as it will hold up ok. I'd like to stick with a solid cam, either the one i have or a bigger one if it will work. Here's the specs on the .528 solid i have. Not sure what the converter flashes at not but when footbraking the tires break loose about 3800 rpm. Thanks.

Cam Style Mechanical flat tappet
Basic Operating RPM Range 2,800-7,000
Intake Duration at 050 inch Lift 241
Exhaust Duration at 050 inch Lift 241
Duration at 050 inch Lift 241 int./241 exh.
Advertised Intake Duration 284
Advertised Exhaust Duration 284
Advertised Duration 284 int./284 exh.
Intake Valve Lift with Factory Rocker Arm Ratio 0.528 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.528 in.
Valve Lift with Factory Rocker Arm Ratio 0.528 int./0.528 exh. lift
Lobe Separation (degrees) 112
Intake Valve Lash 0.028 in.
Exhaust Valve Lash 0.032 in.

Last edited by MNobody; 08/20/09 03:29 PM.
Re: 360 Stroker info please... [Re: MNobody] #442291
08/20/09 03:42 PM 08/20/09 03:42 PM
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Joplin, Mo
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rt66jim Offline
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Joplin, Mo
Well that is a pretty wide LSA for a stroker. Mine is 108. Will this be street driven alot or mostly strip? I think your converter will work pretty good as is. I would for sure try it before doing anything differnet.
Re: 360 Stroker info please... [Re: rt66jim] #442292
08/20/09 04:03 PM 08/20/09 04:03 PM
Joined: Feb 2005
Posts: 4,884
Michigan
MNobody Offline OP
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MNobody  Offline OP
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Michigan
The car will be street driven. I know zero about cam's but i want to get the right one in there the first time If i need a different one i'm open for suggestions but i'm hoping to stay with a solid because i'm already set up for it as long as the lifters and push rods from the 318 will swap over to the 360.
Re: 360 Stroker info please... [Re: MNobody] #442293
08/20/09 04:16 PM 08/20/09 04:16 PM
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Joplin, Mo
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rt66jim Offline
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Joplin, Mo
Well I would call a cam grinder you trust or PM member Fast68Plymouth. Dwayne is a Comp dealer and a straight shooter. He can give you much better advice than mine. I would trust what he recommends.
Re: 360 Stroker info please... [Re: rt66jim] #442294
08/20/09 04:41 PM 08/20/09 04:41 PM
Joined: Feb 2005
Posts: 4,884
Michigan
MNobody Offline OP
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Michigan
Cool Thanks!
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