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Thanks guys - I guess I best check them then!

What's the maximum lift a stock 308 head can take before running into retainer clearance or coil bind? I want to put some stock heads on my 360 as a temporary measure to break the cam in and give me some time to port/rebuild a good set of heads.

I wouldn't necessarily say the boost and compression are too high - he's running ethanol. A friend runs a blown 500 Caddy motor on Methanol in his lsr car and that's at 12:1 compression and at least as much boost. He does have good rods and pistons though.

That's just what I needed, thanks Jim!

Anyone know what the valve lsh should be on a '66 318 Poly with the stock mechanical cam? Thanks

I want to put a windage tray in my 360 and was going to use ARP studs but after reading this I don't want to tear the motor down to have it line honed. Did Mopar use bolts on the cars equipped with factory windage trays and if so are they still availible from anywhere?

Has anyone used any? Were they good/bad/indifferent? Particularly interested in anyone who's used their heads and cranks. Thanks

what's the difference between the Magnum and LA pans? FWIW I ran a one piece gasket on an LA 360 with no problems.

cool, thanks for the tips

Has anyone used one of the universal cam bearing removal/installation tool? I'm looking at maybe a Lisle LIS18000 or an ATD 8620. They both seem pretty comparable on price $150ish and features. How easy are they to use and get good results?

fstfsh - I've been running Magnum exhaust manifolds on my LA 318 with no problems

what sort of problems have people been having? I put together a 360LA with Magnum heads last year and wiped the cam out very quickly. I used a Summit cam with comp cams lifters and put the problem down to excessive lifter preload with the Mopar Performance conversion pushrods. I didn't measure...

I'd be interested to hear more details of your build - what turbo are you using and what EFI system?

I'm not really looking for a mileage gain just didn't want to put the 4bbl on and find the mileage is much worse. It's my daily driver and mileage is more important than performance at the moment. On the other hand I think 2bbls are junk and don't want to waste any time working on it so when I...

The Weiand's set up for a spreadbore. Think I'm going to go ahead and change it because the 2bbl's got a bad flat spot and I can't be bothered to work on it. I can keep my foot out of it most of the time and if the economy is the same or better doing that then I don't mind paying a bit more when...

Which do you think would get better economy on a stock 318? I think in normal driving there would be very little difference. Anyone got any practical experience? The thermoquad would be fitted on a small port Weiand dual plane intake.

thanks for the replies. so it seems pretty likely a 70 318 should have a forged crank - unless of course it's already been replaced!

I seem to remember reading somewhere that early 318s had a forged crank like the 273s. Is this true and does anyone know what year they were used up to?

Hi, can anyone tell me what the exhaust port sizes on a 318 and a 360 are? Trying to work out if a friend's 318 has 318 or 360 heads without having to pull it apart. thanks

It was in with a pile of small block parts I got a while back. Part no is 4227670. Any ideas? thanks

thanks, that was just the info i needed on the plug. as for resizing the distributor bushing, what did you need to give the machinist - oil pump/driveshaft and distributor?

thanks, what are your cam and motor specs if you don't mind me asking?

I'm stripping down my 360 for a rebuild and will be getting the block hot tanked. I know I need to take out the freeze plugs and oil gallery plugs on the back of the block and I'll be getting new cam bearings fitted. I have two questions: I seem to remember reading somewhere about another...

Is anyone running the factory LA roller lifters with an aftermarket cam? How big a cam can you run with them? Can the stock cam be reground or will the base circle end up too small?

So why do you like these engines so much? Do they get good mpg or are they just really long lasting? I assume the intake side of the heads is similar to a regular big block and the exhaust side is different to allow better cooling? If the block really is an underbored 440, surely the...

Anyone using any of the cheap ebay aluminum water pump housings for a big block (CAT, Proform etc) ? If so any comments good or bad? thanks

Anyone got any spring recommendations for this cam? It's 218/228 duration @ 0.050 and .441/.441 lift. It's going in an otherwise basically stock 360 with 308 heads and headers in a '50 Plymouth Suburban with a stick shift. It's a budget build so cheap options are preferred!

yeah, i figured it was probably too much preload - the cam's had it as well so I may pull it and put a big block in instead

pulled the valvecovers and found I've got a collapsed lifter. I'll replace and check the preload and see what it's like then

I recently put together a Magnum headed 360 for my Dart - bottom end Summit 6901 hydraulic cam - 0.470" lift (with 1.6 ratio rockers) 218 intake and 228 exhaust duration at 0.05, 276 intake and 286 exhaust advertised duration Comp Cams lifters with pushrod oiling provision Mopar...