440 source 512 stroker rotating assembly
#3049760
06/11/22 07:46 PM
06/11/22 07:46 PM
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Joined: Nov 2003
Posts: 1,032 illinois
bigblk66_coronet
OP
super stock
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OP
super stock
Joined: Nov 2003
Posts: 1,032
illinois
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anyone use the 440 Source 512 stroker rotating assembly? whats everyones opinions on them> Ive never really heard anything bad.
66 Dodge Coronet 500
440w/727
11:10 30 over 440 w/292 purple shaft,stock Eddy heads,3:23,full exhaust
Best ET. 12.38 @110 in street trim
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Re: 440 source 512 stroker rotating assembly
[Re: calrobb2000]
#3049778
06/11/22 09:08 PM
06/11/22 09:08 PM
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Joined: Jan 2005
Posts: 4,450 Michigan
MarkZ
Worthy
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Worthy
Joined: Jan 2005
Posts: 4,450
Michigan
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Have one in a 400. Ordered it with the light weight crank option. Spins up quick. Gobs of torque. No problems whatsoever after four years of driver duty.
1987 Fifth Avenue - 512/518/D60
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Re: 440 source 512 stroker rotating assembly
[Re: bigblk66_coronet]
#3049795
06/11/22 10:11 PM
06/11/22 10:11 PM
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Joined: Jan 2003
Posts: 31,071 Oregon
AndyF
I Win
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I Win
Joined: Jan 2003
Posts: 31,071
Oregon
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anyone use the 440 Source 512 stroker rotating assembly? whats everyones opinions on them> Ive never really heard anything bad. We've used a lot of them over the years. The 440Source kits are a very good deal if they have exactly what you want. If you want a different compression ratio then you might need to mix and match parts. If you're building a race engine then you might want to use different parts. All depends what your needs are. Sometimes we use Molnar cranks, sometimes SCAT. Just depends what the customer's needs are and how big his budget is.
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Re: 440 source 512 stroker rotating assembly
[Re: bigblk66_coronet]
#3049819
06/11/22 11:57 PM
06/11/22 11:57 PM
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Joined: Jan 2012
Posts: 2,677 Stuttgart, Arkansas
rickseeman
master
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master
Joined: Jan 2012
Posts: 2,677
Stuttgart, Arkansas
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anyone use the 440 Source 512 stroker rotating assembly? whats everyones opinions on them> Ive never really heard anything bad. I've known a few guys that used them. Good parts, good price, usually in stock. Those 3 things put them ahead of most everybody. Their website is fantastic. I wouldn't call anyone else if I was looking for a B/RB stroker kit.
2011 Drag Pak Challenger
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Re: 440 source 512 stroker rotating assembly
[Re: bigblk66_coronet]
#3049838
06/12/22 08:46 AM
06/12/22 08:46 AM
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Joined: Jan 2003
Posts: 12,244 Benton, IL.
DaveRS23
Special needs idiot
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Special needs idiot
Joined: Jan 2003
Posts: 12,244
Benton, IL.
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The only question I have is about future parts. I hurt a piston once a few years ago with my Ohio Crank kit. I called them and had the piston in a week or so. Should a bad thing happen and you needed a part (or two) would the individual parts be available?
Master, again and still
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Re: 440 source 512 stroker rotating assembly
[Re: tboomer]
#3049848
06/12/22 09:35 AM
06/12/22 09:35 AM
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Joined: Oct 2005
Posts: 8,906 Ontario, Canada
Stanton
Don't question me!
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Don't question me!
Joined: Oct 2005
Posts: 8,906
Ontario, Canada
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Just have everything checked by a machine shop. Yes, and then have another machine shop check their work 'cause, well, ya never know !! And if you wear a belt, make sure you're wearing suspenders too !! Seriously, at what point do you actually trust someone. There have been people in the past not trusting the balancing job. My question is this: do you think a machine shop will go to all the trouble of checking the balance and charging you a couple hundred bucks and then tell you there was no problem with it? Of course not 'cause you'd whine about the cost. Just remember, "the customer is always right" - you take something in because you think it might be out of whack - guaranteed, its gonna be out of whack !!
Last edited by Stanton; 06/12/22 09:41 AM.
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Re: 440 source 512 stroker rotating assembly
[Re: bigblk66_coronet]
#3050214
06/13/22 02:08 PM
06/13/22 02:08 PM
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Joined: May 2008
Posts: 5,399 Aurora, Colorado
451Mopar
master
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master
Joined: May 2008
Posts: 5,399
Aurora, Colorado
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Used 4 stroker kits from them. They are decent kits and affordable. I think, it would be hard to find a better kit at their price? Only real issue I had was on the first kit I got many years ago that had the "I"-beam rods, and it was only one rod had the notch for the rod bearing machined a bit off. I checked the balance of the last kit and found that worst case the balance would be 3 grams (For comparison, a sheet of printer paper is 4 grams) from their calculated bob weight. By matching the slight weight differences of rod ends, pistons and pins, (best case without having to remove material for balancing), I was within less than 0.5 gram of the listed bob weight the crank was balanced too. Because everything is new, and has never been assembled before, you should double check everything with any stroker kit. On the 500" low deck stroker engine (uses the oil ring support rail because the piston pin goes through the oil ring land) the ICON pistons had a slight burr where the pin hole was machined, and needed to be removed for the oil ring support to sit flat in the groove. The Light Weight 4.25" crank for the 512 kit looked really nice. Not sure if it mattered performance wise in the mild 600 HP engine it went into? I haven't had any problems with Main or Rod bearing clearances, but they are slightly tighter than some recommend for a race engine?, around 0.0020" rods and 0.0025" mains Sometimes the rod pin bushings can seem tight, but often it is just the edge of the bushing may have a small ding from how the rods are shipped in the box.
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Re: 440 source 512 stroker rotating assembly
[Re: Cab_Burge]
#3050221
06/13/22 02:40 PM
06/13/22 02:40 PM
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Joined: Jan 2003
Posts: 5,447 So Cal
Sinitro
master
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master
Joined: Jan 2003
Posts: 5,447
So Cal
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I met and got to know Brandon years ago at the Mopar swap meet and car show "Spring Fling" in San Fernando, CA before he started and opened 440 Source, I sold him a bunch of stock 440 intake manifolds and water pump housing, rocker arm covers and so on. He was a innovator and of course upset some of his competitors by starting and making his company successful 440 Source is a loyal Mopar supporter.. Some of his products such as cranks, stroker kits, heads are priced aggressively.. His major challenge is delivering quality products, but sourcing from China and not having your own on-site, outgoing inspection and factory auditing capability raises certain risks... China factories have a tendency to use the cheapest recycled metal materials frequently resulting in inferior end product quality... I have been sourcing various products from China for many years and the only way to guarantee final quality is to qualify the source factory and have a stringent outgoing inspection process to make sure the product being shipped is equal to and/or better than the submitted buyer prototype samples... If one reads the various Mopar forums, U will find multiple cases of good and not-so-good end results. So here the buyer should be aware.. Just my $0.02...
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Re: 440 source 512 stroker rotating assembly
[Re: Sinitro]
#3050435
06/14/22 10:50 AM
06/14/22 10:50 AM
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Joined: Oct 2005
Posts: 8,906 Ontario, Canada
Stanton
Don't question me!
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Don't question me!
Joined: Oct 2005
Posts: 8,906
Ontario, Canada
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China factories have a tendency to use the cheapest recycled metal materials frequently resulting in inferior end product quality... I have been sourcing various products from China for many years and the only way to guarantee final quality is to qualify the source factory and have a stringent outgoing inspection process to make sure the product being shipped is equal to and/or better than the submitted buyer prototype samples I find this statement hilarious. Left to their own devices most companies will do this - regardless of which country they're in. Many years ago when there was a huge focus on "quality", the guru of quality at the time defined "quality" as being "conformance to requirements". And if you think about it, its exactly that. A Ford Focus built conforming to Ford's requirements is as "quality" as a Rolls Royce (perhaps better). So the quality of a product out of China is dependent on the customer providing sufficient specifications such that the end result conforms to the requirements that result in a quality product. Remember that MANY of the products imported from China are built to the specs provided by the American client.
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