2 weeks before my build, Help me decide

93hatch · March 7th, 2011, 09:29 PM

youre gona buy bigger headers itll have a bung for a wideband

93hatch · March 7th, 2011, 09:35 PM

2" primarys 3.5" out the back

Cloud Nine · March 8th, 2011, 02:17 AM

Hey guys for the 351 I might need new pistons. Is there anyway possible that I will be okay without balancing the pistons? There is no machine shop that balances assemblies on my island.

I will only be boring the block out enough to clean it (the ridge formed at the top of the cylinder I believe). The most minimum bore for cleaning. Can I just use new pistons no balance? Please. I will not rev it past 7k. What will be my rev limit with unbalanced pistons?

302Army187 · March 8th, 2011, 02:31 AM

lol, you will be fine man. most pistons/rods and stuff come REALLY close to balanced as long as you don't buy cheap shit.

I would recommend probe for the pistons.

Cloud Nine · March 8th, 2011, 02:36 AM

Dude I was shitting my pants. Thanks man. Holy shit I thought I was doomed. lol

302Army187 · March 8th, 2011, 02:41 AM

Originally Posted by Cloud Nine

Dude I was shitting my pants. Thanks man. Holy shit I thought I was doomed. lol

haha, no, this isn't the 80's or something. if you where to buy a CHEAP brand of pistons, yea, I would be sweating it a bit. But probe makes good shit.

302Army187 · March 8th, 2011, 02:44 AM

P2482F - Ford 302/393W -4.0cc Flat Top FPS Pistons

these for a N/A motor, with 4.030 bore would be perfect for what you are doing.

302Army187 · March 8th, 2011, 02:45 AM

and here they are

Probe Pistons P2482F-030 - Probe FPS Forged Pistons - Overview - SummitRacing.com

price is good too!

Cloud Nine · March 8th, 2011, 03:30 AM

Cheeeeeeeeee thanks so much dude. So if I needed new rods for some reason can I just get some OEM ones or you suggest probe rods as well? I beam?

Cloud Nine · March 8th, 2011, 03:32 AM

And with those pistons you listed I would be at a 393?

Or is that only for the first one (393)

And the second set is for a 357?

302Army187 · March 8th, 2011, 04:39 AM

its to my understanding that its ether the rods, or pistons that are the weak link in a oem 351w combo. ill do some googling and see what I can find.

302Army187 · March 8th, 2011, 04:46 AM

seems the rods are fine.

finding people making 500rwhp using them, and some other crazy SOB's saying you can spin them up to 7500 rpm with ARP bolts.

If you are going to reuse the rods, because of the high mileage, I would have the rods checked for roundness in the bearing area. forget what its called.

Duvall · March 8th, 2011, 06:32 AM

Originally Posted by 302Army187

roundness in the bearing area. forget what its called.

concentricity

302Army187 · March 8th, 2011, 07:02 AM

Originally Posted by Duvall

concentricity

right!

the shop can check and fix all the rods, but make sure you use ARP bolts. there not cheap, but it will make a big difference in how long the motor lasts.

Cloud Nine · March 9th, 2011, 07:22 PM

Dam boys I haven't been on here for a couple days but my plans for a beastly motor have gone to dust.

My budget has dropped after having to loan some money out to my family.

Now Ive got about a total of 6000 dollars to spare. We pull out our engines tomarrow and I guess I'm going to save the 351 plans for later down the road.

I am planning on just doing a 302 h/c/i so now imma go start a build thread w/ some pics.

I'd appreciate it if you guys can come help me out during the build. Thanks

March 7th, 2011, 09:29 PM	#81
93hatch Banned 1992 Lx 11.39@119.24 Join Date: Jan 2008 Location: Az Posts: 11,644 iTrader: 0 reviews	youre gona buy bigger headers itll have a bung for a wideband __________________ [QUOTE=93mustank;2577445]We speed tested my right arm for quickness in shifts... So he could design the cam for proper shift recovery.[/QUOTE]

March 7th, 2011, 09:35 PM	#82
93hatch Banned 1992 Lx 11.39@119.24 Join Date: Jan 2008 Location: Az Posts: 11,644 iTrader: 0 reviews	2" primarys 3.5" out the back __________________ [QUOTE=93mustank;2577445]We speed tested my right arm for quickness in shifts... So he could design the cam for proper shift recovery.[/QUOTE]

March 8th, 2011, 02:31 AM	#84
302Army187 Hardcore Enthusiast '89 LX 'Vert 10's or bust... Literally. Join Date: May 2009 Location: Denver, Co Posts: 2,915 iTrader: 0 reviews	lol, you will be fine man. most pistons/rods and stuff come REALLY close to balanced as long as you don't buy cheap shit. I would recommend probe for the pistons. __________________ H/C/I 302 + nitrous for now... supercharger/turbo soon? www.youtube.com/Xarmy187 Please support my YouTube channel! My videos don't disappoint!

March 8th, 2011, 02:44 AM	#87
302Army187 Hardcore Enthusiast '89 LX 'Vert 10's or bust... Literally. Join Date: May 2009 Location: Denver, Co Posts: 2,915 iTrader: 0 reviews	P2482F - Ford 302/393W -4.0cc Flat Top FPS Pistons these for a N/A motor, with 4.030 bore would be perfect for what you are doing. __________________ H/C/I 302 + nitrous for now... supercharger/turbo soon? www.youtube.com/Xarmy187 Please support my YouTube channel! My videos don't disappoint!

March 8th, 2011, 02:45 AM	#88
302Army187 Hardcore Enthusiast '89 LX 'Vert 10's or bust... Literally. Join Date: May 2009 Location: Denver, Co Posts: 2,915 iTrader: 0 reviews	and here they are Probe Pistons P2482F-030 - Probe FPS Forged Pistons - Overview - SummitRacing.com price is good too! __________________ H/C/I 302 + nitrous for now... supercharger/turbo soon? www.youtube.com/Xarmy187 Please support my YouTube channel! My videos don't disappoint!

March 8th, 2011, 02:17 AM	#83
Cloud Nine Enthusiast 1990 Mustang Join Date: Jul 2010 Location: Hawaii Posts: 876 iTrader: 0 reviews	Hey guys for the 351 I might need new pistons. Is there anyway possible that I will be okay without balancing the pistons? There is no machine shop that balances assemblies on my island. I will only be boring the block out enough to clean it (the ridge formed at the top of the cylinder I believe). The most minimum bore for cleaning. Can I just use new pistons no balance? Please. I will not rev it past 7k. What will be my rev limit with unbalanced pistons?

March 8th, 2011, 02:36 AM	#85
Cloud Nine Enthusiast 1990 Mustang Join Date: Jul 2010 Location: Hawaii Posts: 876 iTrader: 0 reviews	Dude I was shitting my pants. Thanks man. Holy shit I thought I was doomed. lol

March 8th, 2011, 03:30 AM	#89
Cloud Nine Enthusiast 1990 Mustang Join Date: Jul 2010 Location: Hawaii Posts: 876 iTrader: 0 reviews	Cheeeeeeeeee thanks so much dude. So if I needed new rods for some reason can I just get some OEM ones or you suggest probe rods as well? I beam?

March 8th, 2011, 03:32 AM	#90
Cloud Nine Enthusiast 1990 Mustang Join Date: Jul 2010 Location: Hawaii Posts: 876 iTrader: 0 reviews	And with those pistons you listed I would be at a 393? Or is that only for the first one (393) And the second set is for a 357?

March 8th, 2011, 04:39 AM	#91
302Army187 Hardcore Enthusiast '89 LX 'Vert 10's or bust... Literally. Join Date: May 2009 Location: Denver, Co Posts: 2,915 iTrader: 0 reviews	its to my understanding that its ether the rods, or pistons that are the weak link in a oem 351w combo. ill do some googling and see what I can find. __________________ H/C/I 302 + nitrous for now... supercharger/turbo soon? www.youtube.com/Xarmy187 Please support my YouTube channel! My videos don't disappoint!

March 8th, 2011, 04:46 AM	#92
302Army187 Hardcore Enthusiast '89 LX 'Vert 10's or bust... Literally. Join Date: May 2009 Location: Denver, Co Posts: 2,915 iTrader: 0 reviews	seems the rods are fine. finding people making 500rwhp using them, and some other crazy SOB's saying you can spin them up to 7500 rpm with ARP bolts. If you are going to reuse the rods, because of the high mileage, I would have the rods checked for roundness in the bearing area. forget what its called. __________________ H/C/I 302 + nitrous for now... supercharger/turbo soon? www.youtube.com/Xarmy187 Please support my YouTube channel! My videos don't disappoint!

March 9th, 2011, 07:22 PM	#95
Cloud Nine Enthusiast 1990 Mustang Join Date: Jul 2010 Location: Hawaii Posts: 876 iTrader: 0 reviews	Dam boys I haven't been on here for a couple days but my plans for a beastly motor have gone to dust. My budget has dropped after having to loan some money out to my family. Now Ive got about a total of 6000 dollars to spare. We pull out our engines tomarrow and I guess I'm going to save the 351 plans for later down the road. I am planning on just doing a 302 h/c/i so now imma go start a build thread w/ some pics. I'd appreciate it if you guys can come help me out during the build. Thanks

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