Re: Dependable 500 stroker out of a 400 block?
[Re: GLR]
#84908
07/06/08 08:38 PM
07/06/08 08:38 PM
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JohnRR
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Quote:
Thanks for your reply! So the engine you built is only used at the drag strip? or on the street also? I was also wondering if someone made a taller piston maybe with a shorter rod??? for a better durabilty /longlife of the engine? Or is that a bad idea?
you can get anything you want made . a taller piston is a piece of cake , talk to someone that builds engines like you are interested in and have a piston and rod combo speced.
another thing to consider is compression ratio , you need to decide what fuel you want to use and what cylinder head so the piston can be speced accordingly , i'll assume you want a pump gas friendly combo , expect a piston with a D shaped dish , Diamond has shelf stock pistons that may fit the bill and is you want a taller piston for a samll upcharge they can chamnge the compression height to work with a specific rod , which will probably something based off a big block chevy derivative so you'll need a crank with a 2.2 rod journal .
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Re: Dependable 500 stroker out of a 400 block?
[Re: GLR]
#84912
07/06/08 09:27 PM
07/06/08 09:27 PM
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Anonymous
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what input? all he said was to build a 470 . that said, and to answer your original question, yes you can build a dependable 500cid from a 400 and have many years of street duty. or at the least, 440source seems to think so.
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Re: Dependable 500 stroker out of a 400 block?
[Re: AndyF]
#84914
07/06/08 09:54 PM
07/06/08 09:54 PM
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Joined: Jun 2008
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lewtot184
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Quote:
A 470 motor with a 3.90 or 3.915 stroke crank works really well in a low deck. That size of stroke gives you enough height to use a taller piston and a decent length connecting rod.
i've done both the 470 and 500. my personal preference is the 470 whether street or strip.
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Re: Dependable 500 stroker out of a 400 block?
[Re: GLR]
#84916
07/06/08 10:18 PM
07/06/08 10:18 PM
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Joined: Feb 2007
Posts: 2,315 MOPAR HEADQUARTERS IN ALDEN NY
hemigod426
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if your building all out race a-body go with 400=500 deal.but remember it will cost more external oiling pan and kit, cant use stock pickup.cant use stock motor mounts wont fit. now you will have to go motor plate.id say go with 440 block, 500 inch kit is drop in deal with ceby or mopar crank pins.stock pan,pickup, mounts fit fine
MOPAR OR NO CAR
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Re: Dependable 500 stroker out of a 400 block?
[Re: Jeff_383]
#84923
07/06/08 11:42 PM
07/06/08 11:42 PM
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Anonymous
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there are no stock 1/2" lowdeck oil pickups.
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Re: Dependable 500 stroker out of a 400 block?
#84924
07/07/08 12:05 AM
07/07/08 12:05 AM
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JohnRR
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Quote:
there are no stock 1/2" lowdeck oil pickups.
1/2 pickup is PAN dependent and you can get around that if you use your brain ,it's has nothing to do with the blocks deck height .
if you want to get TECHNICAL there were no WEDGE MOTORS with a 1/2 pickup .
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Re: Dependable 500 stroker out of a 400 block? *DELETED*
[Re: JohnRR]
#84925
07/07/08 12:07 AM
07/07/08 12:07 AM
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Post deleted by not_a_charger
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Re: Dependable 500 stroker out of a 400 block?
#84926
07/07/08 12:07 AM
07/07/08 12:07 AM
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Joined: Jan 2003
Posts: 75,282 A gulag near you.
JohnRR
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Quote:
Quote:
Quote:
there are no stock 1/2" lowdeck oil pickups.
1/2 pickup is PAN dependent and you can get around that if you use your brain ,it's has nothing to do with the blocks deck height .
if you want to get TECHNICAL there were no WEDGE MOTORS with a 1/2 pickup .
if you REALLY want to get technical you can kiss my
your name fits you PERFECTLY ...
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Re: Dependable 500 stroker out of a 400 block?
[Re: JohnRR]
#84927
07/07/08 12:11 AM
07/07/08 12:11 AM
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Re: Dependable 500 stroker out of a 400 block?
[Re: earlybee]
#84930
07/07/08 11:07 AM
07/07/08 11:07 AM
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Joined: May 2008
Posts: 5,399 Aurora, Colorado
451Mopar
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I am building a 400 "B" to 500 cid stroker, but it will mostly be a bracket engine. The lightweight pistons should make the engine rev really well, but I can see how the short skirt of the piston would rock more than the taller 470 cid stroker piston. I figure this will wear the rings faster, but on the type of engine I am building it might get inspected and freshened up every year or two anyhow.
The 451 Stroker I had, laster 12 years with no problems then the intake valve broke and holed the piston, and nicked up the cylinder, plus made a mess out of the cylinder head in that chamber. otherwise it was a very reliable engine, but give up displacement to the bigger stroker engines.
We just fired up my friends 470 last week. I guess we will see how it performs and lasts..
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Re: Dependable 500 stroker out of a 400 block?
[Re: 451Mopar]
#84931
07/07/08 01:11 PM
07/07/08 01:11 PM
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Joined: Jan 2003
Posts: 75,282 A gulag near you.
JohnRR
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Quote:
The 451 Stroker I had, laster 12 years with no problems then the intake valve broke and holed the piston, and nicked up the cylinder, plus made a mess out of the cylinder head in that chamber. otherwise it was a very reliable engine, but give up displacement to the bigger stroker engines.
We just fired up my friends 470 last week. I guess we will see how it performs and lasts..
what CH piston did you use in that 451 ?
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Re: Dependable 500 stroker out of a 400 block?
[Re: Hemi_Ram]
#84933
07/07/08 05:30 PM
07/07/08 05:30 PM
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Posts: 12,478 Kalispell Mt.
HotRodDave
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A shorter rod and longer piston means the wrist pin will come to a lower point in the bore. I would run the 500 and get a kit with the longest rods. Longer rods put less side load on the piston and the overall height of the piston (Crown to tip of skirt) should be the same. If you are dead set on a 7000 rpm motor though then get the 470 and still use the longest rods you can. If you have good machine work and quality parts then either one should last a good long time.
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