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360 Engine Upgrades

  
Mopar Muscle
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360 Engine Upgrades

 
moparmuscle440 moparmuscle440
New User | Posts: 11 | Joined: 01/13
Posted: 01/09/13
04:52 PM

I have a 1973 360 Engine currently installed in my 72 plymouth road runner and it has a Edelbrock performer intake, performer 600 carb and a comp cam that is matched to the engine, the bottom end is basically stock with around 9:1 compression although it has alright power now but I am like everyone else and would like more, and I am interested in if I would improve anything if I decide to add a performer RPM intake and a camshaft to match it do you think that making this change would improve anything at all or make it worse  

IQ52 IQ52
Guru | Posts: 858 | Joined: 06/10
Posted: 01/09/13
05:53 PM

Would be interested to know what gear ratio, exhaust system and cam you have right now.  

pepsi1 pepsi1
User | Posts: 150 | Joined: 10/11
Posted: 01/09/13
06:15 PM

Is it an automatic or a manual trans.  

moparmuscle440 moparmuscle440
New User | Posts: 11 | Joined: 01/13
Posted: 01/11/13
11:21 AM

It has a 727trans 2500 stall converter and 3:23 gears the cam is mild  I cant remember the lift and duration for sure but I think its 212 duration and 440 lift  

moparmuscle440 moparmuscle440
New User | Posts: 11 | Joined: 01/13
Posted: 01/11/13
11:24 AM

oh and it has headers and 2 1/4 exhaust with xlerator turbo mufflers  

marcohotrod340 marcohotrod340
Enthusiast | Posts: 466 | Joined: 09/08
Posted: 01/27/13
08:09 AM

stock comp. is around 8.0:1  so with an autom. and only 3.23 gears a bigger cam and intake probably not worth a possible slight hi rpm gain and low and mid rpm loss.  

Skwerly Skwerly
User | Posts: 76 | Joined: 02/10
Posted: 01/28/13
01:02 PM

You would be amazed what a little head work will do.  That's where I would go next.  

drmopar drmopar
Guru | Posts: 1445 | Joined: 02/08
Posted: 01/28/13
02:11 PM

Port and polish the heads, cut .040 off them and us the mopar performance thin head gaskets, worth a whole bunch of torque and pulling power. You will need 91 octane gas for the added comp.
 Cool