lewtot184
Well-Known Member
with the 270 cam and other parts listed i wouldn't be afraid to use the 516 heads. just get them properly prepped and go for it.
Which Different heads?
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66chargerpat
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If you have the 2 barrel pistons that are .120" down in the hole, you're not going to have any low end with any cam bigger than stock. If you are running a stock intake, you're not going to pull hard above 4600ish. the heads you have will out flow a iron intake. Changing head will not do much. Just MO.
67500383
Member
Yea, I have full length headers. Goal is to make it alittle faster then it is now. Cars are getting faster these days, and still want to be able to drive around most...
mopar 3 B
Well-Known Member
Faster and drive around most is a broad term. It explains no actual goal.
khryslerkid
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Do you know what rear gears are in it now.
I had a '64 383 2bbl. Had plenty of snot in it stock but I wanter more.
Bolted on a set of second hand 516 heads, used a mild 460/280 crowler cam, 4bbl carb and intake and a 456 rear gear. That car did mid 13's all day long with a stock converter. Terrible launch with that converter and the weight of that car.
I'm thinking your gearing might be holding your engine back some. A 383 is a badass engine with simple parts and a good tune.
If you want to go out and blow the doors off of some of these newer cars out there, you're going to have to match their horse power. $$$
I had a '64 383 2bbl. Had plenty of snot in it stock but I wanter more.
Bolted on a set of second hand 516 heads, used a mild 460/280 crowler cam, 4bbl carb and intake and a 456 rear gear. That car did mid 13's all day long with a stock converter. Terrible launch with that converter and the weight of that car.
I'm thinking your gearing might be holding your engine back some. A 383 is a badass engine with simple parts and a good tune.
If you want to go out and blow the doors off of some of these newer cars out there, you're going to have to match their horse power. $$$
67500383
Member
Yea I actually have the 2.94 stock gears in it for now Khryslerkid. The last thing to rebuild on the drive line is that diff/gearing, just hasn't gone out yet like the trans and motor finally did. Im probably going to go with 3.73 gears and know the big difference that will make. I don't want to go to low on the gearing because I want to be able to take long highway drives in it without the higher rpm etc..Years ago I had a 68' hyped up Cougar with 3.25 gears then went to 3.73 gears and the car felt 500 pds lighter.
mopar 3 B
Well-Known Member
Them 2:93's are low compaired to most of trooper crusiers of the day with 2:76. But most had high tourque 440's. Most of todays top fuelers are in the 3:00 range. It just takes more power and the right combination of parts.
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