yep - you'll melt your slugs......
Heads
- Thread starter Demon_Dan
- Start date
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yep - you'll melt your slugs......
M
mopar3762
Guest
and as fishy stated also a 3500 converter and a steeper gear would help a lot imo.
M
mopar3762
Guest
as would the timing, back total down to 35 degrees .the blue and the silver are 2 seperate springs, the silver being the lightest, in your combo I would try the blue and set total at 35 by 2000 rpm and forget initial .
Im afraid I dsagree on upping the gears and converter - To be honest, if he cant get a "patch" using a 2800 TCI and 3.5s with this cam, using steeper gears and a sloppy converter will just hide the problem.
FWIW, Im running a magnum 282S - VERY similar duration and lift- 3.9 gears and a 27" tyre, STOCK 360 heads with 1.96 valves.
OK, I have 20 more cubes, but mine will "stripe" the street and runs a flat 13.
My advice is fix whats there, dont assume the combos "mismatched".
M
mopar3762
Guest
10-4 moparmal
M
mopar3762
Guest
I find this thread quite confusing and misleading anyhow.....
M
mopar3762
Guest
pull up running rich thread.maybe that will help you out dan or almost there by 69 charger. didnt mean to offend anyone with the above comments.
sublimeswinger
SUBLIME Senior Member
IMO if you are gonna use the 360 heads, you want the 1.88 valves. I also would not use 302's, because of the amount of work needed on them. There are much better heads. Did Bobby agree with the cam? That one thing i was looking at, i think its to big, i would use a xe262 or xe268 for street. also you do not need more gear. Your intake is also not the one you would want to use when switching to 360 heads, i would go with a airgap or nock off of them.
BJR Racing
Well-Known Member
Whats confuseing? your 2 cents?
Lead on, I'd like to see what you know and can teach
Please give me a try. Your a Racer............. right.....so am I.
Lead on.............I'm also a Racing machinist.I don't know everything but I do know alot, so you teach me?
M
mopar3762
Guest
like I said in the above post I didnt mean to offend anyone .give me your question if you need a teacher.
M
mopar3762
Guest
first info bjr ,on the msd unit hes using its one or the other not both. the silver spring is the lightest therefore making advance come in quicker than the blue or the original 1/2 that they send out. comments?
M
mopar3762
Guest
heres another concern bjr,read the cam card and tell me if it makes any sense to you as written.all 360s came with 72 cc chambers so at 0.60 I would seriously doubt valve shroud with the aeroquips.kb 167 pistons would have brought you to zero deck just milling the heads a lil. compression or in machine shop lingo swept volume is ok but the cams too small imo for a 2.02 360 ported head, I would use around .525 lift for max velocity with these heads,check valve to piston and piston to head clearances,if valves arent within specs ya can flycut reliefs in the pistons.I think your carbs too small, try a 650 holly dp.only thing I agree with here is subline on the airgap intake and the 1.88 360 head. As I stated I have a set of 76 360 heads in good condition with the 1.88 int 1.60 exh.free. whole combo is wrong imo.if that cam card does make sense to you bjr your gifted. yeah ,I can see where its misstated also. give aeroquip a call dan and give them the combo your running and see what they say. bigger carb and .525 lift area cam and the airgap intake should take you to over 400 hp, stall in the range of 3000 to 3500 imo, any comments BJR?
M
mopar3762
Guest
theres your .02 cents to start with.
M
mopar3762
Guest
ya wanna sell them aeroquips dan? your machinist is an idiot, totally bad combo. sorry to hear this. he did most everything the dumb way and gave you a bad combo ,if ya want the 974s I have with 1.88s and 1.60 you pay shipping.these should work better than the aeroquips for your combination and are in nice shape.
Demon_Dan
Well-Known Member
Thanks for really getting into this with me folks .. as far as the carb , I did have a 750 Eddy on the car and it performed even worse then it does now ..fouling plugs left and right..serious bogging. The biggest problem im having is the guy who built my motor "does not work on those cars anymore" just a standard shop now for normal service. Being someone whos only knowledge is what he learns from his peers , This is beginning to become more and more confusing as new and different problems might be causing my power loss.
This engine i had built was created word for word out of A Mopar Muscle article for a hot rodded 318 making 385 HP. Its not even close .. If this is something due to my Mechanic/Machinist then it MAY be the better option to just suck it up,dive the car as is and save up for a while to pick up the new 408 Stroker crate motor from Blueprint engines. I cant keep throwing money into a lost cause. The problem is , every time i try something , it costs time and money , and with ..jesus 4K? into this motor as it is? ..is it worth it to throw anymore into it?
Now im not giving up as of yet, but all around, things are bad and when i start seeing Head swaps ...cam swaps ...ect ...for a new parent and new husband ..this looks very scary.
Again thanks a million for the help , i love to read the replies because im learning each time i read something.
Demon_Dan
Well-Known Member
Id also like to add, i don't want a high revving motor ..what im craving is bottom end and torque ..this car is for street and maybe a pass or two at the local track once a year. a 3500 stall and numerically high gears in the rear are just nonsensical.
Thanks
Thanks
M
mopar3762
Guest
a numerically higher gear ratio will give you more torque but tac higher on the freeway.it all is in the combination your running.the 750 will bog more with that lil cam,it could be so darn many things including not degreeing in the cam properly,carb, or timing related .with your current combo I would use the 1.88 1.60 360 heads which should work well with your given combo at the moment.the current heads are by no means screamers but a lil too much for your current combo.Its a very difficult question as we dont know if the machine work was done properly. the current heads you use are milled, he milled the block also,did he mill the intake correctly? who knows. theres so many variables in this thread its hard to pinpoint the cause .im building a mild 340 at the moment if ya decide ya want to sell the heads and go with the 318s or the 360s.the machinist sux I will say that for treating you this way and you really need to touch base with him on what he actually did machine work wise. sorry to hear your mishap with this fool. remember, you can always disassemble the engine and bring it to a good machine shop and we get $250 to assemble so all is not lost.
M
mopar3762
Guest
you should have a factory, around 1/2 diameter spring in the msd. the blue should be smaller but the silver is also small and the lightest, I dont understand you running the silver and blue post at once..I would try the blue spring and refer to the carb running rich thread and follow it .
M
mopar3762
Guest
dan, also go into the racing forum and look up the almost there postby 69 charger ,he runs the msd also, maybe this will help you out.
sublimeswinger
SUBLIME Senior Member
Dan, you say you built this off the article in the mag. But if i recall, your build is not the same. The used a build similar to mine, so for gigles, lets go over it.
318 bored .30 over yours is .60, no big deal
KB167 pistons set to 0, there are a few ways to achive this, square deck the block, or save money and use a mopar thin head gasket.
360 1.88 (596) heads or the better Magnums
Comp xe268 cam
600 cfm carb
Air-gap
That is a basic combo that will get you in the 400hp range. I have also used eagle I beam rods. This with the KB's light your bottom end as well as make it stronger, for higher rpms.
The goals you are looking for will choke out at 6000-6200 rpm's, which is fine, its a 318 for the street,not strip. I would not go with a higher gear, youll hate it on the freeway when a yugo is passing you.lol
My heads i use are the standard 318, ported and polished, and have allot of torque, due to the smaller valves. The motor likes them. The 1.88 360 heads will work great for a 318, but get the air-gap, and port match the intake. This all may sound overwelming, but its not, The porting for a basic cleanup bowl and port, is not hard at all. You'd be surprised the improvements you can make.
318 bored .30 over yours is .60, no big deal
KB167 pistons set to 0, there are a few ways to achive this, square deck the block, or save money and use a mopar thin head gasket.
360 1.88 (596) heads or the better Magnums
Comp xe268 cam
600 cfm carb
Air-gap
That is a basic combo that will get you in the 400hp range. I have also used eagle I beam rods. This with the KB's light your bottom end as well as make it stronger, for higher rpms.
The goals you are looking for will choke out at 6000-6200 rpm's, which is fine, its a 318 for the street,not strip. I would not go with a higher gear, youll hate it on the freeway when a yugo is passing you.lol
My heads i use are the standard 318, ported and polished, and have allot of torque, due to the smaller valves. The motor likes them. The 1.88 360 heads will work great for a 318, but get the air-gap, and port match the intake. This all may sound overwelming, but its not, The porting for a basic cleanup bowl and port, is not hard at all. You'd be surprised the improvements you can make.
AdamR
Big Member
BJR Racing
Well-Known Member
Could it be that the heads are too large for the cam? And then since when do all 360 heads have 72 cc's? Also when does a cam with a given lift make the heads have more velocity? Apparently you have no clue about heads or velocity, as this changes with the head porter and how he ports heads, or you would know this.
HOw does cam lift max for max velocity?
The head flows at a certain rate for a given lift at a known figure. Normally seen as something like, 28* of water or what ever your used to seeing.
I don't understand how a cam can change this figure. I can see a carb causeing problems being to small, for example..........
M
mopar3762
Guest
thats all you have to say bjr? since they first came out til the end of production
M
mopar3762
Guest
super fine duster for sale $3500
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