AFR 315’s

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AFR 315’s  Empty AFR 315’s

Post  nedceifus on August 3rd 2019, 6:52 am

Building on a budget. Have a 460 now. Want to build my way up to a 557. I have D2VE heads now so they are one of the first things I want to replace. IMO an AFR 280’s would be a good choice for my current parts. An AFR 315 would be a good choice for the stroker I’m working towards. So am I better off buying a 280 now & having them CNC ported later on down the line? Or, just get the 315 & put them on my measily 460.

Current set up is
460, stock block, crank, rods
Forged TRW 11.6/1
D2VE heads😢 guide plates & studs
Harland Sharp roller rockers
Weiand Stealth
Comp 292 560/560 hyd flat tappet
850 double pump
C6 2500 stall 4.10’s 295/50/15 Detroit
3800lb 64 Ford Galaxie Street/Strip

I guess my whole thing is trying to improve what I have on my way to a 700hp 557 Street/strip motor. I have a feeling I’m pissing in the wind & I just need to use what I have till I can build a completely new Stroker. Thoughts?

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AFR 315’s  Empty Re: AFR 315’s

Post  wickettoby1 on August 3rd 2019, 3:44 pm

Remember that the valve notches in the pistons have to match the valve layout in the head so do you really want to change the pistons in your current engine?

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Post  rmcomprandy on August 3rd 2019, 10:10 pm

I don't know of any low budget pistons in any bore size or compression height which are available for the AFR valve locations.

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Post  nedceifus on August 5th 2019, 8:31 am

I have pretty much come to the conclusion that adding parts piece by piece. The compatibility problems are everywhere.

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Post  dfree383 on August 5th 2019, 2:35 pm

What’s the matter with TFS streets?
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Post  rmcomprandy on August 5th 2019, 3:16 pm

dfree383 wrote:What’s the matter with TFS streets?

Unless modified, they do require a Cobra Jet exhaust flange and
large enough intake side piston notches which some TRW's already have..

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Post  nedceifus on August 5th 2019, 4:26 pm

Literally any aftermarket head I buy will require pistons. I have the D2VE heads now with 11.6/1 TRW pistons. Huge domes. Nearly everything you order out of a catalog is set up with roller cam springs, & I currently have a flat tappet. I did meet a guy this weekend that might have a set of used .030 flat tops. That would help ease the pain of swapping pistons & heads at the same time.

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Post  rmcomprandy on August 5th 2019, 10:03 pm

nedceifus wrote:Literally any aftermarket head I buy will require pistons. I have the D2VE heads now with 11.6/1 TRW pistons. Huge domes. Nearly everything you order out of a catalog is set up with roller cam springs, & I currently have a flat tappet. I did meet a guy this weekend that might have a set of used .030 flat tops. That would help ease the pain of swapping pistons & heads at the same time.

There are a lot of piston companies out in the marketplace who offer low budget pistons with larger and deeper O.E.M. valve location notches.

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Post  manofmerc on August 6th 2019, 3:13 pm

You can buy or rent a tool to cut your own valve relief for whatever head you have .I bought a tool from Lindy tool to cut my intake valve reliefs for my afr heads . Not to expensive just time consuming .Just a thought for you .Doug

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Post  Dave De on August 12th 2019, 10:36 am

nedceifus wrote:Literally any aftermarket head I buy will require pistons. I have the D2VE heads now with 11.6/1 TRW pistons. Huge domes. Nearly everything you order out of a catalog is set up with roller cam springs, & I currently have a flat tappet. I did meet a guy this weekend that might have a set of used .030 flat tops. That would help ease the pain of swapping pistons & heads at the same time.

I'm not a fan of Edelbrock but if you use head 60669 it should be "plug and play". They are large chamber with conventional valve reliefs. You may need to shave them to keep your compression while using those heavy TRW's.
I know the Edel's can be be worked on for a bit more performance and they handle .700 lift out of the box.
If you can wait until next spring I'll have a used pair for sale coming from my 521 off my Torino.
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