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I will be running two 97s on a Speedway offy knock off...

It is for my 51 pick up. I will be running 3.73 gears, and an S-10 5 speed..

I am almost done with my first 276 flathead build. I have the bottom end done along with the valve train. I am running Isky Max 1 and Isky springs. I found the adjustable lifters to be loose, so I ordered some new Isky lifters. This first engine has Isky springs set at . 2.00. I had to use the...

I have several used springs that come in at 55 pounds installed height. They are old and used. Should I re-use them with .060 shims for a Max 1 cam or buy new. Who has the deal? Should I just do some 185G springs and let it fly?

That is not possible. It doesnt get to 45 pounds until well after 1.800. At coil bind, it barely hits 80. These arent even close to being OEM spec. I will call Goodson and see what they have. I am looking for at least 60 0n the seat.

This is the entire build: 1951 Ford F3 torch red Borg and Warner 5 speed conversion Mercury Mountainier 3.73 disc brake rear end Speedway disc brake kit Power booster Cragar SS modern muscle rims I have 2 good blocks and will eventually build both. 1950 Merc block "ported" EAB heads...

. I am going to have new seats installed along with new valves. My guess is that the installed height will come in well below 2.00 inches. I had an engine shop for 10 years. I know about wear from to much cam duration and spring rate. As a VW aircooled drag racer that can run the 10.80 class, I...

It doesnt nee that much spring... An 8CM is considered stock. With a .060 shim, the stock new OEM spring will be perfect.

I am having a hard time deciding on valve springs for a Merc rebuild. I just ordered an 8CM camsahft from Delta. The specs are 208 effective at .050 with a .338 lift. I ordered some Isky 185 G springs, but they are way to stiff. I then ordered a fairly nice valve rebuilt kit, however, the...

thanks, finally someone who understands the relationship between installed height and shims.

who carries good PV for Strombergs

I will do 44 then at 6000 feet

I found some NOS stock springs from 1955 for $70 plus shipping. There is so much room to coil bind That I could easily shim .060 to >080 and still have .080 to coil bind on a .355 cam. Should I buy them?

who carries them

I am building a 4.125 by 3.312 stroker. It will have dual carbs with 43 main jets, and a delta 236 effective at .050 .355 lift cam. Something like a stock Merc cam. I found some NOS fomoco valve springs for $71 shipped. Should I use these or some ISKY g-185s. speak up

It is a nice torch red 51 F3. It is getting the following so I cn at least drive it into town here and there. 1. Ford explorer disc brake rear end 3.73 2. speedway front disc brakes 3 brake booster 4. dual strombergs 5. Borg and Warner 5 speed with adapter 6. 4.125 stroke crank' 7. H beam rods...

I am just doing a low compression stroker. I have seen much of your excellent mechanical advice, but I have yet to hear anything related to a flathead 4 bolt main. Anyways, it will just be a low compression stroker with Merc cam and 74cc heads.

.080 over

I cancelled the china crank order. I found a 4.125 stroker Merc crank that has already been ground and plugged. I do have to buy Scat H beam rods. What pistons should I get.

I ended up ordering an eagle 4.250 and some Scat rods. Some chromoly coated rings that are metric would be excellent. I am fairly certain that they are .080. I cleaned the tops of the pistons when the heads were off. Then again they could be .030 over. I am almost certain they are .080 over. If...