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#1
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455 290 SD KRE Dports
just got a stock 2 bolt block 290 D ports engine on Joe Shermans dyno today.550HP@5500 and 580 TQ.Built the motor for my 69 bird if I decide to sell it.STD bore flat top Veniolias from Ken at PPR,I beam rods from Paul Spotts and a 3in main 4.21 stroke Ohio crank.The intake is a cobbled up 62 421 SD intake port matched by Dave with a 750 AFB.245-252 CC hyd roller cam with solid rollers set at 6 thou.110 LC set at 106 400 lobe lift with H&S 1.50s.10.25 CR with 91 gas.Joe will pull the intake monday and put a bathtub tunnel ram with a pair of 750 AFBs just for grins.Tom
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#2
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Cool, let us know what the bathtub does!
One of the guys on my 409 board picked up the Sherman stroked 348 for a pretty decent price from him.
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Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
#3
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im throwing a dart at 30 HP.Tom
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#4
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Very nice. What did the compression ratio end up at ?
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#5
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10.25 Steve.My heads are 65 CC heads that Dave did back in april of 2004 and were 260 CFM.Sent them to him to open up for the 455 and do a 290 CNC program to them.He did the intake at the same time.It is a 62 421 SD intake I bought at Norwalk for $50 as some one had cut it up to try and fit late heads.Dave port matched it and welded the bottoms of the ports to match.Used a KRE water X over.The engine is really made up of bargin priced stuff I bought from PY memebers and stuff I had laying around.Joe did not like the couple threads of the spark plugs sticking into the CC,which I guess is the result of taking the 65 CCs to 85 CC.Tom
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#6
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Sorry Tom, for not seeing the CR mentioned at first. Are you running similar valve spring pressure as the other hyd roller with solid lifters with 200lbs on the seat ?
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#7
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I bet +50hp on the bathtub. Did you cut the water crossover off it?
Do you have any pics you can post up of the engine and manifold mods done? |
#8
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yes Steve,200 on the seats.Chris.The single 4 has a KRE X over and the bathtub is all welded like a factory with a X over from a alu 66 tripower intake.Looks 100 percent original.It was run on these heads when I had them on my alu block in my 63 lemans.Tom
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#9
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455 with a 3"x4.21 Ohio forging
Did you have some 1/8" thick bearing spacers made for the block? |
#10
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sorry,stock 400 2 bolt block!Std bore 455 pistons.Tom
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#11
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I assume not a 75 and later 557 block!
__________________
Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
#12
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dont rmrmber but I paid $100 for it so MAYBE!It is a throwaway engine,built to go in my bird if I ever sell it.STILL a nice driver!Tom
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#13
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REMEMBER!LOL
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#14
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Ever thought about throwing some sideways Holleys on the dual quad intake?
__________________
Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
#15
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Skip,Joe put the 421 SD bathtub,modified for the heads on today with a pair of 750 SD AFBs and first pull was 585 HP.Blew him away that it made that much diff.Tom
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#16
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603 on the TQ.Had him shut it down.When its in a car,will be lucky to ever see 3000 rpms.Tom
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#17
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You're good at darts, Tom!
+35 HP and +23 lb-ft - NICE!
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Regards, "455HO" Lloyd 2008 GMC Sierra Denali 2WD Crew, L92 6L80E, Silver w/ Ebony guts, 14.26 @ 98 |
#18
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One of my biology grad student tech assistants in college in 72 was a Pontiac nut, he had an old bathtub intake he put on his car (64 GTO) one weekend (I was still an '09 addict then). It was a cool intake. I can still remember hearing the reverb echo when we hit bumps!
His name was Phil Baumann for any of you Dallas folks that might have known him. Tom check that block casting number for us
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Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
#19
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Skip,you trying to scare me now?LOL
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#20
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Nope I have NEW SR one I bought off a guy I could use if yours is still together at that much HP! Actually the block I used for my RAIV 400 was one of those 557s and rev'd 7000 with heavy Crower billet rods, TRW pistons with 250 gm pins! Only around 400hp and hasn't been magged.
__________________
Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
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