Just curious as to why would you want to use L.A. heads? Im running a 5.9 magnum in a barracuda, it has the mopar r/t heads and cnc porting by hughes, m1 intake, demon carb and its a 4speed. This car is a monster compared to a 70 340 4 spd duster. The magnum heads are awesome, the Aussie replacements are even better. Just curious.. also the m1 intake works well on the Street and would work even better with fuel injection and/or boost. The m1 magnum version has injector bosses cast in as well.
@ThirteenTwentyRepair
Ай бұрын
This is a cheap project with a $150 shortblock, $800 speedmaster heads (Black Friday sale) and an eBay $150 gt45. The R/T heads are a great head, the Aussie if you are referring to old EQ’s (I thought it was New Zealand??) were a great head, the new EQ’s are a 100% stock replacement head no matter how someone tries to spin an advertisement, I have a few of them and can confirm they are stock replacements, I even broke through a bowl when trying to port to 89% of a 2.02 valve in an intake bowl. Most of the reason for guys to swap to LA heads are intake manifold selection and roller rocker price and selection. I have a magnum M1 for my 408” but they are hard to find and usually priced around $1000. In comparison I paid $150 for this LA M1 on eBay and $200 for the Holley intake. 🍻
@approachingtarget.4503
Ай бұрын
If mopar performance used it on crate engines. It's ready to rock. Now depending on the rest of the build. Will ether be the best choice? It is the 5.2 after all. Can you get better performance with a dual plane?
@ThirteenTwentyRepair
Ай бұрын
It’s getting a cheap eBay turbo, so even though I think it’s too much manifold for an N/A application, once I get into boost it will make up for the lack of torque.
@blueridgemountainprepper2166
Ай бұрын
My adice use a DUAL PLANE performer or rpm model, unless you're all out drag racing with huge stall, very low gears, top end cam ,go for torque, throttle response etc brother I'd drive around you with a near stock SBC with torque as the focus... 😂😂😂😂😂😂
@ThirteenTwentyRepair
Ай бұрын
This is going to be a cheap race project with an eBay turbo and looking for 650-700hp
@ThirteenTwentyRepair
Ай бұрын
As far as a dual plane, I think the eBay air gap is horrible and the Weiand Stealth is the absolute best dual plane available.
@aaronbarnes8938
Ай бұрын
Why go through the work to drill out the block instead of just getting the oil through pushrod shaft mount rockers that several companies offer now?
@ThirteenTwentyRepair
Ай бұрын
Oil through pushrods work when swapping magnum heads on an LA block, they won’t provide proper oiling for shaft mount LA rockers, although I have seen people modify and drill the pushrod cup to try and reverse feed the shaft. The LA head swap on a magnum block is to use a wider selection of both LA heads and LA intake manifolds.
@aaronbarnes8938
Ай бұрын
@@ThirteenTwentyRepair yeah I'm going to disagree with you because I've done multiple aluminum la-headed engines on Magnum blocks using oil through pushrod rocker arms comp cams, prw, Harland sharp, Speedmaster all offer oil through push rod shaft mount rockers and they work just fine. Matter of fact there's several guys running these and high horsepower boosted applications with no issues.
@michaelstrafello7346
Ай бұрын
Couldn't you just drill the block to the cam bearings
@ThirteenTwentyRepair
Ай бұрын
Depending on cam core. Magnum cams aren’t drilled for oiling.
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