|
|
Re: 383 pistons in 426 wedge
[Re: Alexdodge]
#302491
04/29/09 05:52 PM
04/29/09 05:52 PM
|
Joined: Jan 2003
Posts: 75,047
U.S.S.A.
JohnRR
I Win
|
I Win
Joined: Jan 2003
Posts: 75,047
U.S.S.A.
|
Quote:
The 383 pistons in the 426 that are in there now are about .200 in the hole. I spoke with Dave at Hughs Engines and he figured the correct flat top pistons that they sell at .030 over would come in at about .060 in the hole. With the 452 heads it should be about 9.1 to 1 compression. This is by his figures. This would be great for me being that the car is strictly a cruiser and for touring with the car club. He said I could do better by using a thinner head gasket.
I wonder if it would be better to use the 516 heads that I have on the shelf?
Thanks all, Alex
I just ran this setup with the hughes engine piston thru a calculator , Dave is correct , you'll have 9.1ish compression , no quench , you can run that and with the right tune it won't be a pinging pig , this is using the 452's , the 516's will bump the compression closer to 10.0 , you may have issues but with a custom ground cam and the right tune you should be ok , but you'll give up a little because of the lack of quench , to get it would require cutting .040 off the block which I highly do not recommend as the machining cost will get you up to having Diamond make you a better suited piston .
|
|
|
|
|
|
|
