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Re: SB stroker options for track car [Re: ThermoQuad] #432246
11/16/09 11:16 AM 11/16/09 11:16 AM
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Oregon
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Quote:

Andy I am very interested in what is needed to make the quicktime b-h work without compromise as I have another [new] stroker engine to put in my pos and that b-h would be the hot ticket.

Any idea what this engine would cost?



I'm going to call QuickTime and ask them about the starter nose position. I have a couple of ideas myself on how to locate the nose but I want to hear their thoughts before I fab something myself.

Are you asking how much the 427 engine that we're building will cost? My spreadsheet says it is adding up to $15,000 retail.
Re: SB stroker options for track car [Re: AndyF] #432247
11/16/09 01:13 PM 11/16/09 01:13 PM
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So Cal
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Quote:

...
Are you asking how much the 427 engine that we're building will cost? My spreadsheet says it is adding up to $15,000 retail.



Gasp, Gasp... I'm out.

Whether I had the money or not, I can't justify that until I've spent a similar amount on the chassis to utilize that power. And I think to do that a roll cage and mini tubs would be in that mix.

At that point I'd personally rather build a racecar legal for VARA vintage racing. Same money, more fun.

Also, is that $15K not including assembly labor. Like just parts and machining in the $15K number.

Last edited by autoxcuda; 11/16/09 01:20 PM.
Re: SB stroker options for track car [Re: autoxcuda] #432248
11/24/09 10:41 PM 11/24/09 10:41 PM
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Heads are here from Hughes Engines. This is their Stage III CNC port work. The Stage III kit includes full porting and the big 2.08 intake valves. The heads look great. These were used heads that I sent them so they cleaned them up and did all the machine work.

5625225-heads.jpg (250 downloads)
Re: SB stroker options for track car [Re: AndyF] #432249
11/24/09 10:42 PM 11/24/09 10:42 PM
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Close up on the exhaust side.

5625227-ports.jpg (247 downloads)
Re: SB stroker options for track car [Re: AndyF] #432250
11/25/09 06:05 PM 11/25/09 06:05 PM
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Chambers look nice. The chamber is laid back a bunch by the intake valve so I'll need to run a head gasket with a big bore size. Cometic has a 4.180 bore size gasket as a standard shelf part so I'll probably go with that.

5626657-chambers.jpg (231 downloads)
Re: SB stroker options for track car [Re: AndyF] #432251
11/25/09 06:18 PM 11/25/09 06:18 PM
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Mississippi Gulf Coast
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Get the COMETIC Fel pro blow easy

Re: SB stroker options for track car [Re: AndyF] #432252
11/25/09 07:02 PM 11/25/09 07:02 PM
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Belpre,Ohio
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Quote:

Close up on the exhaust side.


What/who's valve springs? Appear to be single spring??

If you like drag racing, support your local track.
Re: SB stroker options for track car [Re: CHAPPER] #432253
11/26/09 12:45 PM 11/26/09 12:45 PM
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Quote:

Quote:

Close up on the exhaust side.


What/who's valve springs? Appear to be single spring??



Beehive springs from Comp Cams.
Re: SB stroker options for track car [Re: AndyF] #432254
11/26/09 12:47 PM 11/26/09 12:47 PM
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Aluminum case from Passon Performance drops 30 lbs off the car. Only down side is it probably shifts the CG forward. I'd need to scale the car before and after to know for sure what the effect will be.

5628657-Passon.jpg (256 downloads)
Re: SB stroker options for track car [Re: AndyF] #432255
11/26/09 12:52 PM 11/26/09 12:52 PM
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Cast iron bare box weighs 54 lbs vs. the 24 lbs for the aluminum case.

5628672-833.jpg (240 downloads)
Re: SB stroker options for track car [Re: AndyF] #432256
12/01/09 10:43 PM 12/01/09 10:43 PM
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Not an engine post but in keeping with the weight reduction theme the new rotors showed up today. They shave 6 lbs per side for a total reduction of 12 lbs. That is 12 lbs up front and unsprung so kind of a double benefit.

5640146-Baer.jpg (250 downloads)
Re: SB stroker options for track car [Re: AndyF] #432257
12/11/09 12:29 AM 12/11/09 12:29 AM
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Pistons are here so it is time to go to the machine shop. JE made up a great set of pistons for this motor. Big dish to keep the weight down, 1.2/1.5/3.0 rings, .927 pin, special coating on the skirt, wire locks, accumulator groove, etc. They cost about a grand total but that seems pretty fair for all the features.

5660423-piston.jpg (233 downloads)
Re: SB stroker options for track car [Re: AndyF] #432258
12/11/09 12:31 AM 12/11/09 12:31 AM
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Comp rocker arms mounted up on the Hughes CNC ported heads using one of the Hughes Engines hold down kits. These are 1.50 rocker arms and I also have a set of the PRW 1.60 rocker arms. I need to check them both out and decide which to use.

5660429-rockers.jpg (213 downloads)
Re: SB stroker options for track car [Re: AndyF] #432259
12/11/09 12:34 AM 12/11/09 12:34 AM
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Cometic is selling complete gasket kits these days. They have their special MLS head gaskets in the kit as well as their own type of gaskets for other applications. This stuff looks pretty good. I've used their water pump gaskets before with good results as well as the timing cover gasket and stuff like that. I always use Cometic head gaskets when running aluminum heads.

5660436-gaskets.jpg (196 downloads)
Re: SB stroker options for track car [Re: AndyF] #432260
12/13/09 04:14 PM 12/13/09 04:14 PM
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The K1 crankshaft fits perfectly in this block. The radius on the edge the crank is just the right size to clear the corners of the block. Drops right in and spins nice. It will be a while before I get the rods in so I'm not positive what the clearance there will look like.

5665378-crank.jpg (224 downloads)
Re: SB stroker options for track car [Re: AndyF] #432261
12/22/09 09:04 PM 12/22/09 09:04 PM
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I got the block up in the mill today so I could drill and tap the oil filter area for external oil lines. I wish this modification was done by the factory. Just a simple tap exercise for them because they have it all fixtured already. For me it took most of the day to make the fixture and get it all dialed in.

5684066-milling.jpg (236 downloads)
Re: SB stroker options for track car [Re: AndyF] #432262
01/16/10 12:50 PM 01/16/10 12:50 PM
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I designed my block fixture so I could rotate the block 31 degrees in each direction so I could go after the excess material in the valley. In this picture I'm just starting to whack away at the extra head bolts.

5738919-valley.jpg (258 downloads)
Re: SB stroker options for track car [Re: AndyF] #432263
01/16/10 12:52 PM 01/16/10 12:52 PM
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The K1 crank was too heavy to drill for balancing so we chucked it up in the lathe and took some off. It needed about 150 grams off of each end. The bobweight for this 427 engine is 1780 grams.

5738923-lathe.jpg (242 downloads)
Re: SB stroker options for track car [Re: AndyF] #432264
01/20/10 12:45 AM 01/20/10 12:45 AM
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We couldn't get the Comp hyd roller lifters to fit in this 340 resto block even after a ton of machining and grinding so we gave up on that idea. My next idea was to see if I could adapt the factory Magnum lifters over to this block. Close, but no cigar. With some additional machine work the Magnum lifters would drop in and work with a factory spider but we didn't want to put the block back in the machining center.

5747229-mag_lifters.jpg (241 downloads)
Re: SB stroker options for track car [Re: AndyF] #432265
01/20/10 04:57 PM 01/20/10 04:57 PM
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Escondido, CA
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Andy,
Try drilling the dog bones and installing them with a bolt and spring, RyanJ has the notes from the MP engineer that came up with the idea to use that in the Magnum race block.

Ran

"Hey mister, something's wrong with your car, it idles roughly" - number one comment I got in Israel when daily driving a 70 Barracuda with a lopey cam.

Currently working on - 1966 Dodge A100 van 318/auto
Finally - disc brakes on the front.
In the plans - rear disc brakes, B&M 250 blower
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