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Discussion Starter #1
i know there are many TFS A460 598 combos out there. looking to here from the guys who built a 598 or close to it with the old fms a460 heads! hp# and track times with that motor!
got all my parts to get balanced for my 598 and just looking to see what you pros got out of it 10 thousnd years ago! my heads are 79cc w/2.35 int 1.88 ext! let me know!
 

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Lots of these heads still on the track. They will make good HP in the right hands. :)
 

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I'm curious too, as I am building a 598 with ported Fms a460 heads.
What intake n carb setup u running? Also what compression and what size cam?
Any idea what ur heads flow?
 

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Got one in one of our mud trucks with a sled pulling and nitrous cam and larger ring gap. Running worked over old school (80s model) fms A heads and intake, 14:1ish compression, and AED customized 1400 dommy. We made 960hp on a very stingy Dyno and a boat load of torque. Think we could've broken 1k with the proper cam for all motor, closed up ring gap, and hooked up the evac hoses. HP and torque curves were unbelievably flat from 4500-7200
 

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Discussion Starter #7
my intake is the new TFS-R SERIES RACE INTAKE, cam is a comp cams 285-304 int 861 814 ex 115 lsa comp 14.3.1 1250 dommy carb! wondering if carb is enough?
 

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I Have a set of the FMS A460's on my "little" 555" motor..
In my old dragster, @1900lbs it went 4.77 @145 , [email protected] 178.
Never had it on the dyno, but it had to make 940-950 based on times..
 

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my intake is the new TFS-R SERIES RACE INTAKE, cam is a comp cams 285-304 int 861 814 ex 115 lsa comp 14.3.1 1250 dommy carb! wondering if carb is enough?
my set up was close to urs with 1250 qft. I swapped it out for a pro systems 1600 carb and picked up 2 tenths and 200rpm on the converter while on the trans break.
 

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Discussion Starter #12
yea going to switch to a 1450! looking to trade my new 1250 for a 1450 dommy! did you ever spray your car? and what converter did you end up with?
 

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yea going to switch to a 1450! looking to trade my new 1250 for a 1450 dommy! did you ever spray your car? and what converter did you end up with?
no I never sprayed it. I had a barrowed coan converter that stalled at 6200rpm. I my best time so far was a 8.30's @ 162mph and 5.30's @ 130mph in 8th
 

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Discussion Starter #14
hi guys! this question is for the motorsport a460 heads! what is the p# for the hedder gaskets for these heads? your help is needed!
 
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