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Old 04-15-2011, 11:13 AM
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'75 460 specs

what is the hp/ torque from a '75 460 from a '75 Lincoln continental? it's got a 4bbl and original/ complete. smog pump, ac pump and alt are all there. A/C pump and smog pump are not staying

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Old 04-15-2011, 11:32 AM
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Hi Mat

1975-460(4v).(216hp@4000).....366@2600....CR. 8.0
1975-460(4v).(226hp@4000).....374@2600....CR. 8.0...Police
Rich
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Old 04-15-2011, 11:43 AM
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Thanks. once I get an aftermarket timing set that isn't 2* retarded, it'll pick up a little HP right? I figured it had about that for hp/ torque. I was also thinking it had 7.5:1 compression. Is there any cam I could put in it that will work with the 8:1 compression?

This is for my scratch build which will probably end up being 2,600 lbs with the BB. 366 ft/lbs@2,600 should scoot it along pretty good even stock
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Old 04-15-2011, 12:56 PM
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Hi Mat
The pistons are far down the hole on these engines, the iron head like all ford heads have exhaust ports that choke the engine, intakes are fine. Some work on these heads is needed, aluminum heads are a good upgrade.
Get either a multi key way crank gear and timing chain set, or get an early 429 pi timing chain set (pre 1972 after 72 there retarded 8*). 204/214 @.050 cam (stay under .510 lift and you will be OK with stock valve-train, (I'd put new springs). Do a distributor re curve, and a 750 carb. w/small tube headers. Intakes. Weiand 8012, Edelbrock Performer, Police Interceptor and SCJ iron intake, Edelbrock Performer RPM Air Gap.
Rich
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Old 04-15-2011, 03:14 PM
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I built a 460 for a freinds drag car a few years ago. We 0 decked the block, used late modle truck rods which are stronger,bored .30 over used trw forged flat top pistons,and a wild flat tappet cam with a double roller chain at 4 degrees advance. ported the heads both intake and exhaust.and put in big block chev intake valves. 1050 cfm carb. 2.5in headers msd.distirutor.made 510 hp 530tq. on 108 octane about 10.5 to one.Ran 10.50s in a 86 t-bird at about 125mph.You could do the same thing just lower comp. a tad. little smaller headers,850 carb.smaller roller cam.and still have a kick butt street motor.
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Old 04-16-2011, 12:32 AM
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This won't be a race car, but I'd like it to be seemingly quick.. Could I just swap a set of D0VE heads on it, 429 PI timing chain or aftermarket with multi keyway, above mentioned cam. re curve the distributor or buy a ready to run 1? Then end up with 250ish-300 hp?

I knew this was no hp monster when I pulled it.. But I wanted a big block, cause I'v never had 1 b4.. I will probably get HP hungry after I get it all togther, but my expectations are not that high right now.. if it runs good, sounds good and provides an adaquate amount of seat of the pants HP. it's good enough for me..

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Old 04-16-2011, 10:22 AM
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Hi Mat
DOVE-C 429/460 they have smaller 75cc combustion chambers which will help generate compression, and they come with screw-in rocker studs (not for adjustable rockers).
You could look around for 429CJ/SCJ heads with larger intake and exhaust ports, or 460 Police heads with slightly larger ports.
The stock 460 heads will perform well with a good valve job and some port work, the smaller ports may work better on the street on a near stock engine. You can get roller rockers also, but In your case I think I'd wait & get them for the next build.
Rich
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Old 04-16-2011, 10:36 AM
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Thanks much. do you happen to know the casting numbers for the Cobra Jet heads? If I find a set on ebay or somthing, I'd like to verify the castings so it's not like someone paying good money for Vortechs and getting 193 swirl ports. because this being my 1st BBF, I don't know what to look for to tell them apart... I had to check the emissions tag on the valve cover to make sure it was a 460, even tho a '75 Lincoln had about a 90% chance of having a 460
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Old 04-16-2011, 11:36 AM
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The intake side on 460 heads are plenty big for a street motor the exhaust side are what needs work.The lump that is created by the air pump port needs to be cut down and reworked. I would go with a hyd,lifter cam in the 220-230 at .50 range and just use a double roller chain at 4 advance. By the time it runs in you should be about right.With right intake ,carb,&headers 300 hp is very do able
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Old 04-16-2011, 12:33 PM
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Mat
Your not going to have a race engine remember, the pistons are 0.040 down the hole + there dished + it weighs a ton, wait until you lift that intake, & you need a helper to lift the heads (just kidding, but they are heavy)
Rich

The 429 CJ/SCJ head Part #D0OE-6090-R. DOOE-R
Police Interceptor heads #D20E-AB,

http://429mustangcougarinfo.50megs.com/headbottom.jpg

http://429mustangcougarinfo.50megs.com/headsiex.jpg

http://429mustangcougarinfo.50megs.c...partnumber.jpg
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Old 04-17-2011, 12:17 AM
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I know it weighs alot. 640lbs is what is listed on the engine weight list, and the C6 isn't a lightweight ither... I just thought because of the size ( width ) of the cab I built, a Big block was going to be more proportional looking. It won't be a race car, just a street cruiser.. I'd like a little seat of the pants HP. I'm not going to go chasing the numbers on the dyno. Just mainly things to make it run better.

So from what I gather, if I do some light port work on the heads, very mild cam, and an aluminum intake with a 750 holley, should make a fairly decent runner? Or I could source a set of PI heads or CJ/SCJ 429 heads and end up with a little more
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Old 04-17-2011, 11:18 AM
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Matt
On the 460 heads, work the exhaust ports, gasket match the intake ports, CC the chambers & have the heads shaved.
before having the heads shaved bolt them on the block & check the fit of your new manifold (your checking to see whether the heads need cutting down at the intake flange or not). Then check the valve to piston clearance, is there enough clearance to shave the heads about 0.60 (have the heads milled on the intake as well so the manifold will fit correctly after shaving the heads.
Re-curve the dist. headers.
Rich
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Old 04-23-2011, 11:28 AM
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What about C8-VE A heads?
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Old 04-24-2011, 09:19 AM
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Scored a 1407 Edelbrock carb on Ebay last night. I was going to get another 4350 Motocraft but, I found they have drivability problems.. 4350 that is on it has a epoxy repair on the fuel inlet.. Got it for $85 altho it probably needs rebuilt from sitting
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