Piston to head clearance????

art leong · 09-20-2007, 05:59 PM

Whats the recomended number for piston to head clearance, with an aluminum rod and a 330 gram piston???
I've got .0035 Do you think thats enough?

SuperStock 1890 · 09-20-2007, 07:25 PM

Nope. You need somewhere around .070. I used to use them a long time ago in Pontiac street engines when there were not any good rods for them. The 7075 T-6 aluminum would live on the street for if you kept the oil temp from getting high.

09-20-2007, 05:59 PM	#1
art leong VIP Member Join Date: Dec 2001 Location: Richmond Hill, Georgia Posts: 2,037 Likes: 0 Liked 1 Time in 1 Post	Piston to head clearance???? Whats the recomended number for piston to head clearance, with an aluminum rod and a 330 gram piston??? I've got .0035 Do you think thats enough?

09-20-2007, 07:25 PM	#2
SuperStock 1890 Junior Member Join Date: Aug 2005 Posts: 87 Likes: 0 Liked 0 Times in 0 Posts	Re: Piston to head clearance???? Nope. You need somewhere around .070. I used to use them a long time ago in Pontiac street engines when there were not any good rods for them. The 7075 T-6 aluminum would live on the street for if you kept the oil temp from getting high. Last edited by SuperStock 1890; 09-20-2007 at 08:20 PM.

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