5.0 rebuild?
05-09-2008, 01:00 PM
#1
1st Gear Member
Thread Starter
Join Date: Apr 2008
Posts: 67
5.0 rebuild?
Ok so im doing a rebuild on my motor this summer on my 89 mustang gt and was wondering if i had to get stiffer valve springs?Im guna b running an f303 cam with the ford hydraulic lifters.Any1 kno a good set of springs for this application and how stiff a springs ill need? If helpful im guna b using gt40 heads with new factory compression pistons.
05-10-2008, 02:09 AM
#3
3rd Gear Member
Join Date: Feb 2008
Location: Florida
Posts: 836
RE: 5.0 rebuild?
I know for that camand E7 heads you would needFRPA-50 springs and B-50 retainers.If the GT-40 has the same spring pockets as the E7's it would be the same. Contact a Ford Racing Parts Distributor and check.
05-10-2008, 08:40 AM
#4
D.R. THE PATHETIC DORK
Join Date: Jun 2007
Location: West Virginia
Posts: 30,863
RE: 5.0 rebuild?
ORIGINAL: Jonboy2389
prolly doesent matter but either but the heads are guna be bored about .030 ova
prolly doesent matter but either but the heads are guna be bored about .030 ova
heads aren't bored they're ported......and you can get the springs and retainers at summit racing = a-50 springs and b-50 retainers
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