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Search found 4813 matches

by GARY C
Mon Jan 20, 2020 4:38 am
Forum: Engine Tech
Topic: cam suggestions for 355
Replies: 17
Views: 846

Re: cam suggestions for 355

I do have the 190cc heads already. If i am comprehendingit correctly, it appears I would need the smaller cam with a 1.7 rocker atleast on the intake to get the needed lift. I am having a hard time figuring/understanding the change it will make to the overlap and duration above .050",all of which i...
by GARY C
Mon Jan 20, 2020 4:29 am
Forum: Engine Tech
Topic: Sealers and thread lockers for final assembly
Replies: 34
Views: 696

Re: Sealers and thread lockers for final assembly

Travis, an NGK guy told me that it's no lube on new plugs as the plating on the plug is the thread lube. I have used one drop of oil on plugs that are going in for a second time. Metal based lubes can cause tracking to the unwary. ARP have recommendations for the application of ultra. Cheers. Just ...
by GARY C
Sun Jan 19, 2020 6:48 pm
Forum: David Vizard forum
Topic: Let's talk port velocity --
Replies: 37
Views: 1836

Re: Let's talk port velocity --

skinny z wrote: > Perhaps a novice question although it pertains to a DV article written > several years back. > To reference the article it was about having too little port size for the > CID . In particular this was about a 383 SBC and a 170cc Edelbrock > Performer head. It was theorized that this...
by GARY C
Sun Jan 19, 2020 6:37 pm
Forum: Engine Tech
Topic: Sealers and thread lockers for final assembly
Replies: 34
Views: 696

Re: Sealers and thread lockers for final assembly

If you put a drop of oil on the stud , which local parts stores have, you won't have to clean out that stuff from the threads. It's been proven to work...no brush on gunk or rtv or anti seize .....to mess things up for no reason No doubt, but I would prefer to have to clean something as oppose to h...
by GARY C
Sun Jan 19, 2020 6:04 pm
Forum: Engine Tech
Topic: Sealers and thread lockers for final assembly
Replies: 34
Views: 696

Re: Sealers and thread lockers for final assembly

Why not use what the stud manufacturer says to use? Like ARP and every other stud maker...a lubricant like oil or one their own lubes and tq to spec. It's a blind hole Why would I change something that has worked flawlessly for 20+ years and can be bought at any local parts store? I am not saying t...
by GARY C
Sun Jan 19, 2020 5:21 pm
Forum: Engine Tech
Topic: Sealers and thread lockers for final assembly
Replies: 34
Views: 696

Re: Sealers and thread lockers for final assembly

What would you use on his question about rocker studs going into a blind hole,, aluminum head? Probably Copper RTV or Permatex brush, Something sticky enough that it doesn't come loose but forgiving enough that it can be removed without galling. May not be needed but I don't like the possibility of...
by GARY C
Sun Jan 19, 2020 4:15 pm
Forum: Engine Tech
Topic: Sealers and thread lockers for final assembly
Replies: 34
Views: 696

Re: Sealers and thread lockers for final assembly

Sounds like it's time to build you a rocket stove for your shop. I only use red lock tight for fly wheel bolts, I use a locking tab plate for cam bolts but I guess lock tight would work as well I use Ultra Copper RTV for rocker studs entering the port and Permatex Brush Gasket sealer for head studs...
by GARY C
Sun Jan 19, 2020 3:23 pm
Forum: Engine Tech
Topic: Sealers and thread lockers for final assembly
Replies: 34
Views: 696

Re: Sealers and thread lockers for final assembly

Sounds like it's time to build you a rocket stove for your shop. I only use red lock tight for fly wheel bolts, I use a locking tab plate for cam bolts but I guess lock tight would work as well I use Ultra Copper RTV for rocker studs entering the port and Permatex Brush Gasket sealer for head studs ...
by GARY C
Thu Jan 16, 2020 6:15 pm
Forum: Engine Tech
Topic: cam suggestions for 355
Replies: 17
Views: 846

Re: cam suggestions for 355

I do have the 190cc heads already. If i am comprehendingit correctly, it appears I would need the smaller cam with a 1.7 rocker atleast on the intake to get the needed lift. I am having a hard time figuring/understanding the change it will make to the overlap and duration above .050",all of which i...
by GARY C
Wed Jan 15, 2020 10:25 pm
Forum: Engine Tech
Topic: Valve lap on boosted high mileage 5.3?
Replies: 17
Views: 1774

Re: Valve lap on boosted high mileage 5.3?

franklstoner wrote:
Mon Jun 12, 2017 9:12 pm
I just did a leak down on all 8 cylinders. They all average around 20%. According to the gauge their all good until 40% loss. Humm
Did you test at full operating temp?
by GARY C
Tue Jan 14, 2020 7:52 am
Forum: Engine Tech
Topic: Measuring for pushrods...part deux
Replies: 46
Views: 1027

Re: Measuring for pushrods...part deux

travis wrote:
Tue Jan 14, 2020 6:43 am
I know some rockers do give more than advertised, but this seems excessive.
Some rockers do show more at set up but that usually reduces with the actual spring and probably accounts for some flex when running.
by GARY C
Mon Jan 13, 2020 1:36 am
Forum: Engine Tech
Topic: 1400 hp Big Chevy combinations
Replies: 91
Views: 2306

Re: 1400 hp Big Chevy combinations

...You don't need 1400 hp to run eights you need the correct car combo... I am sorry Gary, I intended use this example of how a stock GM 6.0 block, cast crank, powdered rods & cast pistons can push a 4000+ lb police car to 154 mph in the 1/4 with a conventional automatic transmission and torque con...
by GARY C
Sun Jan 12, 2020 4:06 pm
Forum: Engine Tech
Topic: 1400 hp Big Chevy combinations
Replies: 91
Views: 2306

Re: 1400 hp Big Chevy combinations

I'll say it, don't care what anybody thinks. AIN'T GONNA HAPPEN. A 6k budget isn't even remotely close to that, supercharged or not......1400 hp isn't a joke. Especially if you want it to live....Add into that about 500-1000 or more for a day or more on the dyno to get it sorted out too..... Save y...
by GARY C
Sun Jan 12, 2020 3:49 pm
Forum: Engine Tech
Topic: Flexplate gap bbc
Replies: 12
Views: 372

Re: Flexplate gap bbc

I switched to a sfi flexplate on my new 454 build. I have .093 air gap between flexplate and converter. Called coan and they don’t seem excited about milling the pads. Is this normal or what? I can’t get a straight answer on what to do. With the stock flexplate I had .125 I always ran a washer on m...
by GARY C
Fri Jan 10, 2020 9:35 pm
Forum: Engine Tech
Topic: Any HP test with Spintec mufflers?
Replies: 5
Views: 536

Re: Any HP test with Spintec mufflers?

I did a test from collector extensions to h pipe with bullets vs x pipe alone vs x pipe with Dynomax straight through to adding tail pipes on this car with a nitrous 377 and never lost any et or mph, in the vid it has a 421 on a 225 shot, ran the same with and without tail pipes. I never ran anythin...