Anything special when installing the 270 trick flow heads ?

what head bolts ?
Special rocker arm set up ?

What else to look for too ?

Thanks

might wanna dig through this thread...

https://board.moparts.org/ubbthreads/ubbthreads.php/topics/2172923/1.html

I ended up buying a set of Harlan Sharp rockers designed for the Trick Flo head. Don't know how bad the geometry is with a stock rocker setup - I just bit the bullet and bought the correct ones. They are at the machine shop and will hopefully get installed next week.

There was a thread on rockers for Trick Flo heads - not sure if it was in the one linked above. That is a long thread.

rocker arm talk in that thread is around page 17, try going back a few pages as well...

https://board.moparts.org/ubbthreads/ubbthreads.php/topics/2172923/17.html

I've written a bunch of magazine articles and posted a bunch of threads on here about the 270 heads.

Bottom line is they make a bunch of power right out of the box. My pump gas 470 makes 750 hp with the 270 heads.

Yes you need some longer head bolts, rocker shaft bolts are different, pushrods need to be longer, etc. Not really a big deal.

They make a head stud kit for them as well as head bolts. I bought the stud kit. I mocked up a set of Harland Sharp rocker arms that came off my Stage 6 heads and the roller was not even close to where it needs to be, even with lash caps, so I also bought the correct ones. Which ever version you buy plan on taking them apart and checking spring pressures, installed heights and especially coil bind. Piston valve reliefs will need to be checked to make sure you have clearance. Birdtracker

Yeah,...just kinda noticed the HS rocker geometry is awfull....wich ones did you buy....I'm shopping right now......


Dan

I have just fitted mine .
ARP headbolt kit , I think same as Eddy Victor . ARP rocker shaft stud kit .
Summit lists all these , I bought from them .
Pushrods , mine were nearly 1" longer .
I reused my Crane gold 1.5 rockers , mock up at zero lash they were centre 1/3 of valve tip .
Valve spring pressures were dead on at height , just cleaned up up and honed guides .
Been running for a week , hope to get on chassis dyno next week .

Tex

I have read almost nothing about either trick flow 240/270 that wasn’t for a magazine article. I don’t know why more people aren’t posting builds, and or results with them.

back to the track for me on 30th June , 1/8 racing and maybe some 1/4 testing
hopefully my results will be good . hope to see 30rwhp gain any more is a bonus

Tex

I just got my block back and am fitting stuff right now. My plan is to be running at Norwalk. Birdtracker

Whitch rocker work best for those heads?

if you are using shaft oiling Harland Sharp. If you are using push rod oiling T&D. Birdtracker

The HS are too long on the nose.....they sit on the outer edge of the valve tip

Not if you buy the correct ones. This has all been covered before. I posted pictures, did a dyno test, wrote a magazine article, etc.

I just got mine and they fit perfectly.
https://www.summitracing.com/parts/csp-s70015ke

Birdtracker

Those are the correct ones - same ones I have.

What cam you running with the golds?
I recall Andy saying the golds were on the money geometry-wise... but I'm not sure how long they will last with higher seat pressure... (running a small solid FT now...)

solid flat tappet . 272/272 - .600/.600 . Used these rockers for about 10 years now . From .509 hyd to this current cam . Current cam been in 18 months .
Springs now are 138 on seat 420 inch rate , had about sam on source heads

Tex

Thanks! I'm running the same rockers for a while now...~20 years. They still look like new when I pulled them off last year, so if it ain't broke I won't fix it. Looking to step up from my current ~.520 260/266 SFT when I swap heads