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Original Message
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| RE:my ideas |
| By McQ - 07/25/2003 7:01:18 PM; IP 65.176.104.199 |
You asked for it Frank so here goes my ideas. There should be lots of different ones forthcoming but this should get the ball rolling for you.
If I were to build a 390GT now here's what I'd do:
Intake - I've run & liked the Performer but that was back before the RPM was available. I'd choose the the E'brock RPM now and I'd go with their 750CFM carb too. I ran one of those on a 428CJ and by using the "Strip Kit" for this carb along with Edelbrock's instructions and a little 1-800 help the carb worked perfectly and it never leaked!!
Cam - as has been said many times...tough to recommend because there are so many variables and expectations but yo did say"street driven" so I'd say keep it very reasonable. I still like good old C6OZ-B and it's available from Crane/Comp. But again what I'd do is go with something like Comp's 282S - yes a solid lifter shaft. I have had the most success with solids. The Comp 282S is mild enough to be very streetable but I know many who have run this cam with much success. I think Royce has been very happy with this cam in one of his engines. He may tell you more. I have this cam in my 427 based on a lot of "research" i.e., talking to people who have run it. I still haven't fired mine up yet but it's getting closer.
Heads - if your '67 GT 390 has the C6AE-R heads that's good. Use them. Have CJ/Lo Riser intake/exhaust valves installed with some pocket port work and they'll work nearly if not as well as CJ, C8OE-N heads. If your 389 has the C7AE heads....I'd get rid of 'em. Remember that's what I'd do. The C6-R head has the tall intake ports and just offer more performance advantages if built. The C6AE-R heads are readily avaiable. Don't forget to look under the hoods of '66 F100 with 352-2V's...there likely to be there. Also '66 Galaxies with 352, 390 and 428s. You might get lucky and find a set of R's already drilled/tapped for the unibody exhaust manifolds....which is next.
headers vs. exhaust manifolds - don't use the stock manifolds. I'd choose something like FPA, Ford Power Applications, Puyallup, WA, is offering. They're built well and they fit well. A major power robber on the 390GT was the extremely restrictive stock exhaust manifolds. The only Fairlane 390s I ever saw run really well had headers. I'm talking street driven 390 Fairlanes that would run in the 13's.
Pistons - forged and something that will provide at least 9.5:1 with 10:1 being better. You should be able to get by fine with Premium unleaded currently available.
ARP - use high quality fasteners throughout the engine. Have a pro who knows FEs do your work.
MSD ignition - they now have a new distributor featuring vacuum advance. Go with this and their module, 6A or 6AL.
Trans - you don't say which one you're using in your '66 but you indicated that the engine came from a GTA so....automatic-C6? Great. I'd run the available low first gear package and have the trans pro built for street/strip performance. I'd also suggest a mild stall convertor but it's not absolutely necessary. I like the from the light response from a stock stall GT/CJ torque convertor. But a mild stall, 2,200-2,400 RPM is okay for the street. Because I'd want to be able to run at the strip well I'd go with the mild stall along with a set of BFG radial street slicks for those special days I'd be driving to that strip if there's still one around you.
There you go...just a bunch of random ideas that I might do if I were to build a 390/428 for a Fairlane/Comet/Cougar/Mustang. Which I like to think I might do again someday.
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