D9TE 460 block

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Dec 15, 2006 | 03:35 PM

65f100CoryE.

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D9TE 460 block

Just wondering the pros or cons of a D9TE block... bought an edelbrock performer 460 and 750 carb with a 460 long block attached to it for cheap. I intend on knocking it all apart to see what is there to work with. It has D3VE-A2A heads on it. I was told it ran whip *** less than 2 months ago.... I was thinking if it is standard bore I can get a set of std C9VE pistons from a buddy for free. Good combination? compression? any comments folks.

Dec 17, 2006 | 11:28 PM

darrin1999

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From: fargo, nd

pro- a little longer cylinder walls for stroker setups, con- externally balanced crank. thats it- everything else is the same as any other 460 block. the d3 heads are the standard 460 heads from 1973-1987, and if you port them will flow pretty well for whatever you do, as for your proposed piston swap i wouldnt bother, id just do a good rebuild with forged flat tops, the 1969 pistons are still cast pistons

Dec 18, 2006 | 09:37 AM

65f100CoryE.

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the trick is they are free.... I am on a budget...besides I get more satisfaction out of spending less and still eating up chebbys and jap scraps....I was curious about the CR using those pistons would net me.....this is assuming the block is still standard bore...

Dec 18, 2006 | 11:15 PM

darrin1999

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From: fargo, nd

youd get about 8.6-1 compression

Dec 19, 2006 | 12:32 AM

monsterbaby

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From: iowa

Quote:

Originally Posted by darrin1999

youd get about 8.6-1 compression

actually a little less unless you deck the block, the 69 pistons got 10.5:1 on a block that was .022 shorter, and heads that were 20cc smaller, and that figure of 10.5 was advertised as I recall it's actually like 9.9 when everything is measured like how far the piston is downin the bore (the 10.5 is at zero deck but darn few actually were.)

Last edited by monsterbaby; Dec 19, 2006 at 12:36 AM.

Dec 19, 2006 | 08:41 AM

65f100CoryE.

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so is the pin height different or something? surely the compression would be higher than the typical dish top pistons of the mid 70's? These pistons are flat with the small eyebrow valve reliefs as oposed to the dish tops.

Dec 19, 2006 | 12:45 PM

monsterbaby

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From: iowa

no the pin hieght is not different that I know of although something to make sure of, is are they for a 460? or a 429, you can't use 429 pistons with a 460 crank. Those 2 items are the main difference between the 2 motors both use the same rod.

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Dec 19, 2006 | 01:02 PM

monsterbaby

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From: iowa

Well, first thing I would do is either have them checked or do it yourself to make sure they weren't damaged in any way during removal from the rods (very common to have damage as most places don't take good care when pressing old pistons off the rods) Next I would measure the pin to compression surface distance then compare it to your current pistons to make sure they weren't set down in the bore a slight amount in comparison to your current pistons.
Personally I wouldn't run them but thats me, I don't like used cast pistons at any price unless all I am doing is a rering job, and I don't trust the pistons to withstand the preasure of press on, then off, and back on again. But thats just my .02 worth.