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The 505 must be getting popular #2612149
01/25/19 05:48 PM
01/25/19 05:48 PM
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AndyF Offline OP
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I stopped by the local engine builder yesterday to help with a Sniper install. He has five 505 engines in process. All of them have Trick Flow heads and three of them have the Holley Sniper. One of them has the 270 heads and a solid roller but the rest are 240 heads with hyd roller.

10 years ago it was pretty rare for this shop to build a 500 inch Mopar stroker. Maybe 3 or 4 of them a year but now he is building a lot of them.

I do like the 505 combo since it basically falls together with shelf parts. Just a little surprised to see so many of them in his shop at one time.

Re: The 505 must be getting popular [Re: AndyF] #2612158
01/25/19 05:55 PM
01/25/19 05:55 PM
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It really does make for a great combo.

One of our local guys just picked up his 505 from the builder in Salina, KS that does the engines for Farmtruck. He said he's done a couple of these recently.


'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.

Re: The 505 must be getting popular [Re: AndyF] #2612161
01/25/19 05:59 PM
01/25/19 05:59 PM
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Chicago, IL
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Sounds like a lot of fast Mopar's hitting the streets soon.

I can still remember those Muscle Motors ads 20 years ago when the 493 stroker kit was almost 3 grand, and the only head options were ported stock stuff, or Indys. We've come a long way!


2 kids and a dog
Re: The 505 must be getting popular [Re: AndyF] #2612164
01/25/19 06:03 PM
01/25/19 06:03 PM
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S.E. Michigan
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There are tons of them on fakebook these days. People are always posting about them.

Re: The 505 must be getting popular [Re: AndyF] #2612192
01/25/19 06:47 PM
01/25/19 06:47 PM
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NE Ohio
DoubleD Online content
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Makes a nice easy combo with the 7.1 rod and chevy rod journal - seems the 4.15 crank is not as popular anymore

Re: The 505 must be getting popular [Re: DoubleD] #2612265
01/25/19 09:19 PM
01/25/19 09:19 PM
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Yeah I can't think of a good reason to use a 4.15 crank with the big Mopar rod journal for a new build. Maybe if a guy already has the parts. But if you're buying new parts I don't see any reason to go with a smaller, heavier and more expensive combination.

There are some nice piston choices now for the 7.10 rod. Mahle has a shelf piston with metric rings, Diamond has a shelf piston and ICON has pistons. I think JE and SRP also have pistons, not sure about Wiseco since I haven't looked at their catalog in a long time.

Re: The 505 must be getting popular [Re: AndyF] #2612319
01/25/19 10:53 PM
01/25/19 10:53 PM
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Dollars per hp has never been better, or more accessible than today.

Re: The 505 must be getting popular [Re: AndyF] #2612325
01/25/19 11:07 PM
01/25/19 11:07 PM
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Alberta
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So is there any advantage or disadvantages between the 440/505 or the 400/512 I personally run?
Curious is all.


1971 Plum Crazy Super Bee. 572 World Aluminum block with a Cope 727 & Dana 4.10 out back. 9.88 @ 138 with a 1.35 60 NA. Dialed back to 10.0’s. 4000 lbs with me in it.
Re: The 505 must be getting popular [Re: Wookie316] #2612333
01/25/19 11:21 PM
01/25/19 11:21 PM
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Bend,OR USA
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The 400 block is my choice for any build other than a restoration numbers matching build deal.
I have built several 400 strokers with a 4.300 stroke crankshaft also, they hum along pretty well also devil up


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: The 505 must be getting popular [Re: Wookie316] #2612432
01/26/19 03:52 AM
01/26/19 03:52 AM
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Originally Posted By Wookie316
So is there any advantage or disadvantages between the 440/505 or the 400/512 I personally run?
Curious is all.


The RB block has better choices for main bearings and intake manifolds. Also, a lot of headers are designed for RB blocks rather than B blocks. I've also run into various clearance issues with B blocks that the RB blocks don't have. It just seems like the aftermarket is more up to speed on RB parts than B parts so life is a little easier when you build a 440 based engine.

Re: The 505 must be getting popular [Re: AndyF] #2612626
01/26/19 04:02 PM
01/26/19 04:02 PM
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Weatherford, Texas
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Originally Posted By AndyF
Originally Posted By Wookie316
So is there any advantage or disadvantages between the 440/505 or the 400/512 I personally run?
Curious is all.


The RB block has better choices for main bearings and intake manifolds. Also, a lot of headers are designed for RB blocks rather than B blocks. I've also run into various clearance issues with B blocks that the RB blocks don't have. It just seems like the aftermarket is more up to speed on RB parts than B parts so life is a little easier when you build a 440 based engine.

This a somewhat surprising twist to me, for years most of the high HP non aftermarket BB guys have leaned to the 400 block for strength and longevity desires...


1968 Plymouth GTX
1974 Dodge P/U Long Bed Stepside 318
2019 Ram 2500 6.4, auto, 4WD
Re: The 505 must be getting popular [Re: RapidusMaximus] #2612635
01/26/19 04:22 PM
01/26/19 04:22 PM
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That is true, Koffel has been building big power 400 blocks for 40 years but evidently the bearing mfgs don't care. There has never been a good selection of main bearings for the low deck. The intake manifold selection is also fairly limited. No low deck Super Victor, not many choices for a low deck dual quad intake either.

Re: The 505 must be getting popular [Re: AndyF] #2624095
02/21/19 08:38 AM
02/21/19 08:38 AM
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I have a 1973 400 block (630) that I want to build to 550-600hp for the dragstrip only. So far I was thinking after all my research, is to stroke the engine with Trickflow 240 heads. I read AndyF's Max-Performance book and was thinking 451 or 470...or maybe go right for the 512???

Can you more experienced racers give some suggestions of a build that might work for me? It looks like my budget is about $10K

Below is an idea for a build...

- 440source stroker kit with 2.200 BBC journals
- compression at 11-1 or 12-1 (high octane pump gas or 110 race gas)
- 590 mopar performance flat tappet cam
- Trickflow 240 heads
- single plane intake with holley carb

Re: The 505 must be getting popular [Re: Chip] #2624158
02/21/19 01:06 PM
02/21/19 01:06 PM
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central texas
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Originally Posted By Chip
I have a 1973 400 block (630) that I want to build to 550-600hp for the dragstrip only. So far I was thinking after all my research, is to stroke the engine with Trickflow 240 heads. I read AndyF's Max-Performance book and was thinking 451 or 470...or maybe go right for the 512???

Can you more experienced racers give some suggestions of a build that might work for me? It looks like my budget is about $10K

Below is an idea for a build...

- 440source stroker kit with 2.200 BBC journals
- compression at 11-1 or 12-1 (high octane pump gas or 110 race gas)
- 590 mopar performance flat tappet cam
- Trickflow 240 heads
- single plane intake with holley carb


I'm thinking about the same thing here except I have a 440 crank already cut for a low deck so...451 is the deal for me though a 470 is still tempting. I thought about the 512 but in a low deck I don't think I like the short rod needed. Also, with a 512 I'd probably run the 270cc heads over the 240.

Where do you want the power band? Seems one of the biggest changes with going with a big stroker is what rpm you will spin the motor.

Re: The 505 must be getting popular [Re: AndyF] #2624184
02/21/19 01:43 PM
02/21/19 01:43 PM
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All the low deck motors I have built have the B small mains. like Andyf said finding bearings is a pain. If I were building another I would go with the RB mains. Have the mains bored out. Then you can get bearings with the proper clearance. Mopar performance cams are antique specs. I would recommend an Isky mega flat tappet or talk to Hughes Engines.

Re: The 505 must be getting popular [Re: Chip] #2624195
02/21/19 02:06 PM
02/21/19 02:06 PM
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Oregon
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Originally Posted By Chip
I have a 1973 400 block (630) that I want to build to 550-600hp for the dragstrip only. So far I was thinking after all my research, is to stroke the engine with Trickflow 240 heads. I read AndyF's Max-Performance book and was thinking 451 or 470...or maybe go right for the 512???

Can you more experienced racers give some suggestions of a build that might work for me? It looks like my budget is about $10K

Below is an idea for a build...

- 440source stroker kit with 2.200 BBC journals
- compression at 11-1 or 12-1 (high octane pump gas or 110 race gas)
- 590 mopar performance flat tappet cam
- Trickflow 240 heads
- single plane intake with holley carb


Your plan will work. A 470 with 11:1 compression ratio, Trick Flow 240 heads, Trick Flow intake and a big cam will easily make 600 hp. I've never tested the 590 cam with the 240 heads and I probably wouldn't use the 590 cam myself, but I'm sure it will work in a drag race engine. The idle quality might really suck but I bet it will pull hard from 3500 rpm on up. On an engine like that I'd use a Holley Sniper rather than a carb but that is up to you.

One way to pick up some power is to buy the Trick Flow intake manifold from Hughes Engines with the deep port match. Just order ahead of time since it takes them a few weeks to do the port work. This is the easiest way to get some intake manifold work done since most guys don't have the proper tools for intake manifold porting.

Last edited by AndyF; 02/21/19 02:09 PM.
Re: The 505 must be getting popular [Re: krautrock] #2624197
02/21/19 02:13 PM
02/21/19 02:13 PM
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Originally Posted By krautrock
Originally Posted By Chip
I have a 1973 400 block (630) that I want to build to 550-600hp for the dragstrip only. So far I was thinking after all my research, is to stroke the engine with Trickflow 240 heads. I read AndyF's Max-Performance book and was thinking 451 or 470...or maybe go right for the 512???

Can you more experienced racers give some suggestions of a build that might work for me? It looks like my budget is about $10K

Below is an idea for a build...

- 440source stroker kit with 2.200 BBC journals
- compression at 11-1 or 12-1 (high octane pump gas or 110 race gas)
- 590 mopar performance flat tappet cam
- Trickflow 240 heads
- single plane intake with holley carb


I'm thinking about the same thing here except I have a 440 crank already cut for a low deck so...451 is the deal for me though a 470 is still tempting. I thought about the 512 but in a low deck I don't think I like the short rod needed. Also, with a 512 I'd probably run the 270cc heads over the 240.

Where do you want the power band? Seems one of the biggest changes with going with a big stroker is what rpm you will spin the motor.


Yes, figuring out how you are going to use the engine is the most important step in engine building. A lot of people put race parts on street engines and then they aren't happy with the result. I've made that mistake a lot of times myself. Street engines need to be built differently than race engines. A lot of guys posting in the race section are actually building street engines. Nothing wrong with building a street engine to work on the street. Just take the ego out of it and don't worry about the fact that your cam and carb are smaller than what someone else used on a race engine.

Re: The 505 must be getting popular [Re: merpar] #2624202
02/21/19 02:22 PM
02/21/19 02:22 PM
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CT
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Originally Posted By merpar
All the low deck motors I have built have the B small mains. like Andyf said finding bearings is a pain. If I were building another I would go with the RB mains. Have the mains bored out. Then you can get bearings with the proper clearance. Mopar performance cams are antique specs. I would recommend an Isky mega flat tappet or talk to Hughes Engines.


we have a 400/511 low deck B1 engine at engine shop now,they will be putting in the BCR cap and girdle system in, I should have them bore and hone for larger RB bearings it seems. This is our first low deck build, didn't realize the low availability of main bearing choices for a 400 .

Last edited by 340KID; 02/21/19 02:23 PM.
Re: The 505 must be getting popular [Re: Chip] #2624203
02/21/19 02:23 PM
02/21/19 02:23 PM
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Chicago, IL
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Originally Posted By Chip
I have a 1973 400 block (630) that I want to build to 550-600hp for the dragstrip only. So far I was thinking after all my research, is to stroke the engine with Trickflow 240 heads. I read AndyF's Max-Performance book and was thinking 451 or 470...or maybe go right for the 512???

Can you more experienced racers give some suggestions of a build that might work for me? It looks like my budget is about $10K

Below is an idea for a build...

- 440source stroker kit with 2.200 BBC journals
- compression at 11-1 or 12-1 (high octane pump gas or 110 race gas)
- 590 mopar performance flat tappet cam
- Trickflow 240 heads
- single plane intake with holley carb


If you are purchasing a rotating assembly, no reason not to do the 505. And if 600 hp is your target, you can get there blindfolded with 505, trick flow heads and the right solid lifter cam, on pump gas. The MP 590 cam is fine, but there might be a better grind for your combo. Check with Dwayne Porter (fast68plymouth), he is a comp cams dealer and can help you choose the right cam.


2 kids and a dog
Re: The 505 must be getting popular [Re: AndyF] #2624221
02/21/19 02:58 PM
02/21/19 02:58 PM
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So. Burlington, Vt.
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I’d build a 511, use the TF 270 heads and a mild roller cam.

It’s not likely you’re going to decide you want less power at some point in the future...... might as well get the extra cubes up front while they’re free.


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