Stroking a 351w

stuartb · #1 (**permalink**) 03-05-2009, 07:12 AM

I've had a number of bad experiences after buying my engine and tranny from coast high performance, so I would not buy anything from them. Paid for a Bellhousing from them never got it called 3 times trying to get it always got the run around. Could never get any questions answered about the engine they sold me at least to calls about that. So just a warning before you buy from chp.

Mark O'Neal · #2 (**permalink**) 03-05-2009, 10:33 AM

Quote:

Originally Posted by stuartb

I've had a number of bad experiences after buying my engine and tranny from coast high performance, so I would not buy anything from them. Paid for a Bellhousing from them never got it called 3 times trying to get it always got the run around. Could never get any questions answered about the engine they sold me at least to calls about that. So just a warning before you buy from chp.

If that is the case..there are some things you should know.

First...I bought out my former partner about a year ago and have made a lot of changes.

Second..e-mail me some details at lmo@probeindustries.com and I will make certain that you are reimbursed for anything that you paid for but did not receive......and we'll happily answer any questions you have...if we have the answers.

If you don't wish to type....e-mail me a phone number....and name.

Third...we sell substantially more 427s than we do 408s. While I prefer the 408, for no particular reason, there are no issues with the rod angularity in the 427.

I personally used a 418 in our car...but we had it laying around from a magazine story.

Any of the three is enough to scare your wife half to death........

Mark O'Neal · #3 (**permalink**) 03-05-2009, 10:35 AM

Stuart,

I see part of your issue.

I fired him......

Ron61 · #4 (**permalink**) 03-05-2009, 11:03 AM

I have had a 418 and a 408 stroker and both made the same power and torque and neither ever gave me any trouble. I never had a 427 stroker as I figured the 418 was pushing it the way I drove it. The 408 is just as strong and when built with good parts will take anything the others will. Just be sure to filter out any BBs that may get sucked into the intake as you pass them.

Ron

bmcnicho · #5 (**permalink**) 03-05-2009, 11:04 AM

CHP sells a 6.125"rod length/22cc and a 6.200"/28.9cc rotating assembly. I was leaning toward the latter since it is a slightly higher rod ratio & lower compression ratio. The lower compression ratio should make it tolerant of pump gas. Do you have inputs between the two assemblies?

Ron61 · #6 (**permalink**) 03-05-2009, 11:11 AM

Unfortunately no as I put all the paper work with the cars when I sold them. I do remember the 418 was set up for racing and had a 10.8:1 compression and the 408 was for street and I believe the compression was about 9.8 to one. With aluminum heads you can run a little higher compression on street gas and get by ok.

Ron

Mark O'Neal · #7 (**permalink**) 03-05-2009, 12:24 PM

Quote:

Originally Posted by bmcnicho

CHP sells a 6.125"rod length/22cc and a 6.200"/28.9cc rotating assembly. I was leaning toward the latter since it is a slightly higher rod ratio & lower compression ratio. The lower compression ratio should make it tolerant of pump gas. Do you have inputs between the two assemblies?

With that cylinder head I'd run the 22cc dish. With .010 deck and .041 gasket and the head at 61ccs that's only 10.25:1 compression.

You would lose enough horsepower dropping to 9.62:1 to notice and the 10.25 is livable with the aluminum head.