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Thanks again Terry, I will give him a call when it gets opening time over on the west coast. I figured 68 was trying to make a funny but you never know so I wasted time searching.

68, is that a real suggestion or just a smart a$$ repsonse thinking you are funny? :thebirdm: I found no such tool on google. I was asking for real help like Terry provided.

Terry, Thanks for the offer! I may have to take you up on it. I have emailed them already with no respone. I would really like to just buy one if anybody else knows where to find one. Where did you get yours if you recall? thanks again. Skip

I am getting ready to go at the 302 casting heads with the old grinder after having practiced for about 8 hours on my original '74 318 heads. I keep reading about how the 302 heads have less material around the pushrod and to be very careful. The articles I have read talk about using a Helgesen...

You folks are great. The input and debate is always productive.

Cheif, most of the info about what I am considering is in the posts. The current stock motor info is really not relevant since I am building a new one. Anyway, I am considering 59cc 302 heads, .030 bore, comp 268H cam (.454/218@50), assume a .039 gasket as Rumble referenced. The stock pistons...

The information I was given is that with the KB 167s height by the time I square deck the head (maybe .020 to get there) I will likely have zero deck or even out of the hole and that with 59cc 302 heads I would be well over 10.5 to 1. The flat top late model 318 pistons have less compression...

I was planning on using KB167 pistons but with the 59cc heads and after square decking the motor it looks like I would be over 10.5 to 1. Based on that I think I will use the 89 318 pistons which have a taller compresion height than stock and are cast not hyperuetectic. I wanted to get over 10...

Thanks for the replies. The cam is the Comp 268H .454 lift .218 @ .050. Rear gear is 3.90 and the converter will be what is prescribed by the converter manufacturer but I guess somewhere 2800 to maybe 3400. I don't mind always running 93 octane since the Vette, Mustang, Lexus and motorcycles all...

What is the maximum compression ratio that can be run with good 93 octane pump gas in an iron headed motor. I am building a 318 with 302 casting heads and want to get the highest compression ratio possible without getting too close to the ragged edge of detonation on good pump gas. The machine...

I am in the process of finalizing our build on the little teen for the Duster and according to the Comp Cam Camquest program we should be about 365 hp and 394 tq. That is a far cry from the sad 150/170 hp stock.. She will be .030 bored with gasket matched/pocket ported 302 casting heads with...

Wow, Big picture.. I got this little mini one in a kit at Lowes. Looks to be pretty easy to control. I guess we will see. Thanks for the hint on the intake side. I had read that earlier and plan on polishing the exhaust side only.

I went ahead and bought some gaskets. Looks like a good deal of grinding to match that intake gasket! Time to learn how to port I guess. thanks.

I am still undecided on exactly how we are going to build our '74 Duster and am trying to get the best idea I can of options. If I keep the 318 and build it I want to run an Edelbrock RPM Air Gap manifold so I will have to port the 302 casting 318 heads I already have so there is not a big step...

I am really torn. I would like to build a car that is really fun and still streetable, even if marginally, for around town. I have a C5 Z06 Vette that is a fair weather car that runs 11.60s at 128 with a 2.02 60' with a/c and full stereo etc. so a 14 or high 13 sec car is not really what I want...

If I do go 360 I would shoot for a good bit more than 400 hp or it really wouldn't be worth it. Thanks for the great info!!!

Hello, I have been preparing to build my little 318 to try to get around 400hp and about half of the folks on this site keep telling me to just go for a 360 for about the same money and get more displacement. Here is my question. my car has a 904 transmission and an 8 1/4. I am having the...

here are some thoughts http://www.hotrod.com/howto/113_0304_318_small_block_build/index.html http://www.popularhotrodding.com/enginemasters/articles/mopar/0667em_mopar_318_engine/index.html http://www.moparmusclemagazine.com/techarticles/mopp_0409_318_engine_build/index.html

Fishy68...I just picked up a set of 587 heads to practice my porting skills on and have a question I posted in the engine section. I think I am going the right way but could you look at it and comment also. thx again... http://www.forabodiesonly.com/mopar/forumdisplay.php?f=52

thanks again fishy68. They are definetly closed chamber swirl ports. Great info on the milling of the intake vs the chamber ratio.

Thanks Fishy! That helps. Now to figure out the best combo. Shave heads to 55cc....0 deck block...mill block to put pistons .03 in the hole...heads to 53...heads to 58... The options seem endless. Any suggestions folks. It seems that milling the block more and less on the heads may be better...

I have a '74 318 Duster that we are working on right now. We are going to bore it .030 and use the Keith Black 167 pistons. I have a set of 302 casting swirl port heads that we will use after going with 1.88 1.60 valves. I am going to port match the heads to an RPM Air Gap and gasket match to...

388Dart, I thought I could port match the 302s to the air gap fairly easy. Is there not enough room to open them up to meet the air gap intake? We are trying to get a pretty strong reving motor and thought the XE275HL version would work pretty good for that. What do you think the rpm range on...

Any further comments on the build? How about compression ratio estimates with zero decking the block and without?

Thanks...I think the 3.91s are the choice.

We are in the process of trying to settle on our final plan for a '74 Duster that my nephew and I will be building. It will be just a fun car that will see strip duty and some cruise nights. It is a 318 car with a/c, p/s, p/b and a 904 trans. Here are the thoughts for the set up of the motor...

Thanks for the quick replies. That is what I thought but I wanted to make sure before deciding on that combo.

My nephew and I are building a '74 Duster with a 318. We are going to go with the KB 167 pistons and 302 casting heads to get the compression up. I have been researching intake manifolds and have always liked the RPM air gap manifold performance. I think the rpm range will match what we plan...