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Hey i have a 67 Dart GT, 273, with electronic ign. Im having the same problem but much more sporadic. Doesnt seem like fuel becuase there is NO sputter or cough. Just straight dies. Seems your engine shut -off problem is happening more reliably than mine. I can sometimes drive my dart for...

Yea i thought about going to a 500 cfm. Seams to make more sense, but ill keep at it with the 600.Hopefully i can get going. Id be real interested to try one of those holley 390. Might be fun to mess with one of those. My biggest prob with the carb on there are the hard starts. Im sure that my...

Hmm what size carb is an 1850? Im almost sure that my prob is a carb tuning prob, im not good at it and it is a very precise adjustment that i am just not that experienced in. Ive been reading all the archive threads on carb tuning and its spinning my head. Ive read about 5 diffrent techniques...

Hey guys, anybody have good advice on a good size carb for a 273 with a mild summit 6900 cam? Ive got a 600 cfm edel on there now, and i just feel like its way too big. I cant get it to run right. Im really wanting an easy driver with good fuel economy more than a power house. Id rather drive...

Umm ill try to, get the ebay link but im not very good on the computer, (hence the no picture on my wall). How much are the gaskets from cometic? I feel like they are overpricing them on ebay.....

Great guys, thanks for the info, very helpful. Hey has anyone used these new repro super thin (0.25) headgaskets? How much extra compression will it make and is it worth th $80 bucks they charge on ebay??

Hey im freshening my 273 and i noticed that it was rebuilt with .020 over pistons. Does anyone know what the cubic inches of a .020 over 273 are? Thanks.....

Does that mean i might not be getting proper oiling. where can i get those hollow bolts

Well i know that magnum motors only have three bolts and the drip tray. My engine has four solid bolts. I was wondering if leaving one out would help to oil the engine more. That is basically my question. But if the early motors have four bolts then i guess four it is!

no none of the bolts have any holes in them....

Putting a new cam in my 67 273. It was rebuilt awhile ago. First question...What is the torque specs for the thrust plate bolts. Second question... My thrust plate has 4 bolts in it, shoulndnt i have 3?.. and if so should i eliminate one and add the little drip tray.(its not there) Cant go...

Well you are right to a point.I didnt tear it open stupidly, i DID do a compression and a leakdown test. And the leakdown told me it was valve seats. I just realized that when i saw the seats i really dont know what a bad seat looks like.I know there can be thousandths of an inch imperfections...

Yea its hard to diagnose period ha ha ha. And my inexperience at this makes it harder. I checked the pushrods and rockers before teardown and they didnt seem over tight. If the rockers were hung up due to a bad adjustment, they would be very tight, and they were not. I have the valves out, and...

Ok thats something ill check. But how would that mess with my compression? (im still learning)

Ive got a 67' 273 and i had two cylinders on the drivers bank that had no compression (50 psi and 90. I did a leakdown test, and to the best of my knowledge i heard air coming from the exhaust pipe. Now since i havent been adding lead to my gas for some years now, i figured i had burned out my...

Well to start with they dont have leaded valve seats. I guess depending on how your gonna use them, your might wanna update that. That way you can do more regular driving without having to add lead. Besides that if your trying to build a powerhouse those tiny valves aint gonna cut it. BUT... i...

Wow thanks skyhawk...............great info! Im glad i didnt buy them, i had a bad feeling about them to begin with. Cool Later...........

Well i think the deal is that he has them or got them as NOS. So its possible trw hasnt made these for a long time. But ya know, summit makes quality stuff for the same price. And at least ill know exactly what im getting. Are you gonna bid on that stuff? Still unsure...................Later

Found a set of NOS,Made in USA, TRW lifters. Part number VL58, does anyone know for sure if these are for la small blocks. I got a 273 small block im changin over to a hydraulic cam and im hoping these will work. Also if they do fit are they know for being quality made or what???? Any help...

I use bosch platinum also... not that it matters cause my 273 just kicked the bucket.Ha ha Hey just curious, anyone know which plugs are made in japan? Not china, not taiwan, but Japan. The japanese make quality electronics......I know im gonna get hated for this one!!

Hey ive got a set of junkyard 302 heads that im puttin on. i know the 67 heads are very good but the exhaust seats on these are trash. Is there a certain headgasket thickness that i should go with to get the best compression? Or should i have the heads milled?

I guess since almost everyone said something different....The choice is yours my friend!! I use bosch platinums..........

HA ha great!! Already bought it and been reading it. Guess im doin' something right. K.... thanks man!

Yea i figured that, any info on which the right pushrods are? Also will the hydraulic lifters just pop in, or is there some kind of machining necessary?? Thanks alot, this build will be a first for me!! just hoping to get it Right!! ha ha

Actually buddy, i was just wondering if the summit gear was somewhat durable. I know its budget gear, and i was just wondering if anyone had any probs with the cam itself. Also im gonna change it over to hydraulic lifters, would the summit brand be a reliable matchup?

Hey anybody out there run a summit cam in there 273? I bought the 420 lift cam and was just wondering if any one has any feedback on it? Thanks!

Cool, those hedman tight tubes look great, ha ha ha you should be making commission, looks like you sold a few pairs already. Thanks for the heads up im gonna look into ordering them...................

Hey i was looking thru my summits catalog and they are selling these block hugger shorty headers. It says it fits small blocks but in truck applications. Any one try these on an a-body???? This could be a great solution!!!

Hi guys. The heads on my leaded gas 273 are shot, so i got a set of 86' 302 casting heads, and im gonna add a nice higher performance cam. My question: Does anyone know anything about decking the heads, to up the compression of the motor? If so, how much should i get cut off? and what kind of...