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Author Topic: Trw 2291 with Trick Flow heads  (Read 1082 times)

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ROBSREDFORD

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Trw 2291 with Trick Flow heads
« on: May 03, 2021, 08:38:26 PM »
I have 390 built years ago with TRW 2291’s ...has anyone installed TFS heads on a 390 with these? Did you have good valve clearance? What were specs on cam. TIA

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winr1

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Re: Trw 2291 with Trick Flow heads
« Reply #1 on: May 04, 2021, 11:56:12 PM »
Have no answer but think the valve reliefs would need to be enlarged for the intake valves

. ex. valves perhaps as well




Ricky.
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My427stang

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Re: Trw 2291 with Trick Flow heads
« Reply #2 on: May 05, 2021, 02:48:44 PM »
I would be very surprised if there was radial clearance, especially on one bank. 2291s tend to be a bit tighter on one side
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Ross
Bullock's Power Service, LLC
- 70 Fastback Mustang, 489 cid FE, Victor, SEFI, Erson SFT cam, TKO-600 5 speed, 4.11 9 inch.
- 71 F100 shortbed 4x4, 461 cid FE, headers, Victor Pro-flo EFI, Comp Custom HFT cam, 3.50 9 inch
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