228r gain bad
Thread Starter
Instructor
Joined: Jul 2011
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228r gain bad
hi folks
I was at 305whp on my c5 a4 stock
Put a 3.42, 2800 stall, 228rcam and spring. Push rod and 243 head
367wrhp
Broke 243 head, was castech casting, put back my 241 head with spring
317whp. Normal ?
I was at 305whp on my c5 a4 stock
Put a 3.42, 2800 stall, 228rcam and spring. Push rod and 243 head
367wrhp
Broke 243 head, was castech casting, put back my 241 head with spring
317whp. Normal ?
Thread Starter
Instructor
Joined: Jul 2011
Posts: 224
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Acct Suspended APR 2026 by request
Joined: Dec 2010
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2020 Corvette of the Year Finalist (performance mods)
C5 of Year Winner (performance mods) 2019
so you have one 243 head and one 241 head installed on the car??
... was the tune adjusted after you swapped heads?
... was the tune adjusted after you swapped heads?
Team Owner
Joined: May 2003
Posts: 23,480
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From: East Meadow NY
St. Jude Donor '12
You aren't going to get much hp gain on stock heads, especially when the cam isn't designed for it. I wouldn't waste time on a retune until you get proper heads.
Drifting
Joined: Mar 2000
Posts: 1,956
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From: Maryland
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Thread Starter
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