many questions
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Joined: Oct 2006
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many questions
First, I would like to say great site! Very cool to have a y-block specific section.
My main question is this:
Does someone make a forged piston for the 312s or 292s? Or at a minimum a hyper?
I don't have a motor yet but I would like to put a sn93 paxton blower that I have laying around on it. I wouldn't take my chances with a cast and an aftermarket piston gives me the options of different ring widths. Fabrication isn't a issue and it will be on a 34 truck.
Hopefully this is a yes and I would not have to go the long route.
My only other thought we would be if a 312 crank fit into a 292 block . . .
Use a stock 292 rod (6.324) and a 2.3 ford piston (1.6 c/ht, .912 pin)
This would be approximately .038 shorter so maybe a deck job could work out a little of the difference.
My main question is this:
Does someone make a forged piston for the 312s or 292s? Or at a minimum a hyper?
I don't have a motor yet but I would like to put a sn93 paxton blower that I have laying around on it. I wouldn't take my chances with a cast and an aftermarket piston gives me the options of different ring widths. Fabrication isn't a issue and it will be on a 34 truck.
Hopefully this is a yes and I would not have to go the long route.
My only other thought we would be if a 312 crank fit into a 292 block . . .
Use a stock 292 rod (6.324) and a 2.3 ford piston (1.6 c/ht, .912 pin)
This would be approximately .038 shorter so maybe a deck job could work out a little of the difference.
Postmaster
Joined: Jul 2003
Posts: 2,688
Likes: 4
From: Southern Oregon
Forged piston
John Mummert at www.ford-y-block.com told me about three weeks ago that he would be getting a new supply of forged domed pistons in approx. 2 months. I dont know if that will include flattops also. Hypereutectics(?) with Metric rings are offered by Verne Schumann, 1-563-381-2416.
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I saw that site . . . didn't see a link for just pistons however. Really not interested in a whole new rotating assembly. But thanks for the number for schumann, will call him this week and see what the deal is on those hypers.
More Turbo
Joined: Nov 2003
Posts: 682
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From: Peoria, IL (more or less)
I believe John will sell stuff in just about any configuration you want. "Complete rotating assemblies" are the buzzword right now with all the suppliers (for 347s, 521s, whatever) , so that's the wording on the website. Before that he listed the pistons separately for quite a while.
It sounds like you are probably conversant with this, but I'll throw in the comment that any of the piston manufacturers can whip something up for you, albeit at a higher price than the typical TRW Powerforged set. (I believe Mummert's are actually KB/Silvolite.) Ross & Venolia are both companies that I know have done Y block stuff recently. Diamond is also really good about about custom stuff at a reasonable price- talk to Eric Simone there.
TRW has made Powerforged sets for the 292 & 312 in the past, no longer, though. With parts inventory reduction nowadays, I think they pretty much carry just SBC & BBC (OK, OK, I'm joking...sorta....) but the old sets come up on eBay every once in awhile.
And yeah, a 312 crank will fit into a 292 block, if you turn the mains down...only problem nowadays is finding a good one.
It sounds like you are probably conversant with this, but I'll throw in the comment that any of the piston manufacturers can whip something up for you, albeit at a higher price than the typical TRW Powerforged set. (I believe Mummert's are actually KB/Silvolite.) Ross & Venolia are both companies that I know have done Y block stuff recently. Diamond is also really good about about custom stuff at a reasonable price- talk to Eric Simone there.
TRW has made Powerforged sets for the 292 & 312 in the past, no longer, though. With parts inventory reduction nowadays, I think they pretty much carry just SBC & BBC (OK, OK, I'm joking...sorta....) but the old sets come up on eBay every once in awhile.
And yeah, a 312 crank will fit into a 292 block, if you turn the mains down...only problem nowadays is finding a good one.
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