heads
08-16-2006, 12:37 AM
#1
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heads
ok so i wanna buy some trickflow twisted wedge heads considering i have the manifolds and stage 1 cam in trickflow.my problem is i am ordering them from summitracing and i dont know what part number i need for the heads. there are so many different ones to choose from,,,all i want is for them to accept 1.6 roller rockers can anybody guide me in the right direction?
08-16-2006, 01:29 AM
#2
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RE: heads
TFS-51400002 (non o-ringed) heads are with lower pressure valve spings for cams with .540 lift max so, this will be fine for the stage 1 cam. If you plan to put a cam larger then .600" lift then the TFS-51400004 head is what you want. Nice combo BTW.
08-16-2006, 01:32 AM
#3
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RE: heads
Ok here we go, I'll give you the run down on all of these. Theres 4 twisted wedges to choose from. 2 of them are O-ringed, so unless you plan on getting your block machined for them because you're running high boost or whatever then you don't need those. The part numbers for those are:
TFS-51400003 and TFS-51400005, the difference between these is the TFS-51400005 has dual valve springs and also has 7/16 rocker studs, which is for high lift applications .600 vs .540 on the 51400003's. Stock rocker studs are 3/8 by the way.
TFS-51400002 is probably what you want, its what I have. It's the same thing as above (single spring w/ 3/8's stud rocker) just without the o-ringed head.
TFS-51400004 is the one with the dual springs and 7/16's stud rocker but without the o-ring.
Like I said your rockers are probly 3/8 if they're stock, so like I said, TFS-51400002 is probably what your looking for.
TFS-51400003 and TFS-51400005, the difference between these is the TFS-51400005 has dual valve springs and also has 7/16 rocker studs, which is for high lift applications .600 vs .540 on the 51400003's. Stock rocker studs are 3/8 by the way.
TFS-51400002 is probably what you want, its what I have. It's the same thing as above (single spring w/ 3/8's stud rocker) just without the o-ringed head.
TFS-51400004 is the one with the dual springs and 7/16's stud rocker but without the o-ring.
Like I said your rockers are probly 3/8 if they're stock, so like I said, TFS-51400002 is probably what your looking for.
08-16-2006, 02:41 PM
#5
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RE: heads
ORIGINAL: OneFine89Mustang
thank for the help yes i have after market 1.6 roller rocker pedastal mount
thank for the help yes i have after market 1.6 roller rocker pedastal mount
Pedestal rockers won't work with stud mount heads. You need 3/8 stud mounted RR's and hardened push rods, probably 6.700" long.
The heads already come with guide plates and studs. Lifter preload adjustment is also different between pedestal ans stud mounted RR's.
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