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Anyone running Holley's new Ultra XP carb? I am carb shopping and looking for reviews/comments, particularly on their 850.

Four out of the eight were fine, the other half had varying degrees of this defect. This is the lower shell on a Clevite H series for 440. The bearing on the right is a King HP Series, for the same engine. I know my next build will not have Clevites in it. This is the 2nd issue in the last...

This is another one, similar defect.

Was unpleasantly surprised to open up my new rod bearings and find some funky defects. I consulted the local speed shop and his opinion was that it wouldn't hurt anything. Well, I couldn't stomach putting these rod bearings in my nice new engine. Makes me wonder about Clevite quality control....

Just to update this thread, I ended up using a 3/8 heavywall from Trend. I really liked the cool factor of their double taper 7/16, but it was throwing money away according to them and the feedback on this thread. If anyone uses a 7/16 with a trick flow head I would be curious if they fit...

Finished up the rocker set up today. I worked my way out from the middle. It took some fiddling, but ended up getting everything looking good and .008" clearance per pair. There are plenty of shims in the Hughes kit to get the job done right. I did not have to remove any material from the hold...

Since the heads are on the bench, I figured it was a good time to index a set of spark plugs. I know it may not be worth much, if any, horsepower, but just seems like the right thing to do. I am curious how you guys prefer to do it. I know in the past I have just purchased an extra 3 or 4 plugs...

Well I am at a stand still. Currently waiting on cam. Changed direction a bit and ended up going solid roller instead of hydraulic roller. Had a few other issues crop up as well, so I am behind schedule and over budget ! Imagine that.... All the short head bolts will work but the long ones are...

The calculators I am using show me with a dynamic of 8.15 with the Comp and 8.3 with the Lunati stick. I have read that 8.2 is the target for those of us running pump gas. Maybe those of us fortunate enough to live around sea level elevation can get away with a bit more if yours figures to be 9...

Thanks for the reply. This whole "picking out the cam" should have been done 1st, then build the rest of the drivetrain to suit it. I'm learning... I talked to Dave Hughes and he was really specific with his questions. Like I said earlier, his solid flat tappet cams are interesting, and I almost...

Interesting, thank you for posting. That is very encouraging.

I did 3 legs of last year's Hot Rod Power Tour. It took nearly 2 hours waiting in a line of overheated cars to get into the St. Louis venue. I will say that my car did well and only got up to 195. Others were not so fortunate. This was my first real road trip in the old Superbee. I put 800...

Also, the heads are Trick Flow, 78cc chambers, 2.19 Intake valve, 1.76 exhaust valve (these things flow pretty good for stock intake port window). Intake is an Edelbrock Torker2 that has had a deep port match done (fits under a stock ramcharger hood), QF 850, and the exhaust is 1 7/8 TTI headers...

Knowing where Lunati is measuring would be a big help indeed. I am envisioning being on hold for ever, so thought a post on FBBO over the weekend may suffice. For the sake of argument though, lets assume they are doing it at .015 lift like Comp. If this is the case, the Comp cam is definitely...

I started out this build thinking I would run a solid flat tappet from Hughes. He actually suggested a cam with the durations in the 230's. The thing that changed my mind was the whole wiping of the lobes, breaking in the cam gingerly with a light valve spring, then change the springs, then...

Also, both cams are 110 lobe sep, and installed at 106 int centerline.

Contemplating two cams for 440: Lunati Voodoo Solid Roller #60332 with 273/279 advertised duration, 243/249 @ .050 Comp Extreme Energy Solid Roller XR280R with 280/286 advertised duration, 242/248 @ .050 My static compression ratio is figured right at 10.6:1 and am using aluminum heads and...

My cam specs are 236/242 @ .050 and with the 1.6 rockers the lift will be right at .580" 10.5:1 Ross Pistons, aluminum Trick Flows Pretty mild setup for sure. Its going in a heavy car with 3:55 gears and I have been guilty of over camming engines before. It's going to be raced less than a...

I went ahead and purchased some 2 3/4 inch long ARP studs. The ones in the kit actually measured 2.30". I'm sure they would be fine, but I feel better knowing I can bottom that stud and use all the treads. It was cheap insurance.

Hughes does not recommend running lash caps. I think I will be fine after I get this all setup. It just tripped me up a little when the roller and the valve are essentially the same width, thus making it pretty hard to keep the edge of the roller from running ontop of the valve stem, even if...