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| Non Pontiac Motors in Pontiacs includes factory 403,305,350 Chevy, Buick V6, Also Pontiac Motors in non-Pontiacs! |
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#1
08-25-2007, 08:58 AM
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my heads wont bolt to the block HELP!!
unsure if this section is for ONLY pontiac race engines, but i have a major issue with this race boat engine,, its a 4bolt 350 1 piece seal block and i have these aluminum patriot heads,,, i started bolting them down this morning and all the bolts fit but the one on the end,,, there is NO hole!!
what the hell is going on!! these are the heads, http://www.patriot-performance.com/w...p?x=1&DID=1225 i hope this mistake wont cost me 1000.00 dollars, 
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#2
08-25-2007, 09:14 AM
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It's an oil drainback hole. HTH
__________________
North Dakotas fastest REAL GTO 10.10 @ 131 MPH in the 1/4 Hoping to get it back together some year. www.jandjrepairandrestoration |
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#3
08-25-2007, 09:21 AM
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hahahaha,,, god im a dumbass,,, i guess i should have counted my bolts...
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#4
08-25-2007, 09:47 AM
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Ahhhhhhhhhhhh. Chinese heads. LOL. Had some of those. rough castings.
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#5
08-25-2007, 09:58 AM
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these are made in Alabama,, or so the guy said,,,, i was told they CNC these out after the order is placed. it took around 2weeks to get them. im also adding a 2in spacer on top of that hurricane intake lol
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#6
08-25-2007, 12:05 PM
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Wonder why the SBC don't have oil drain back issues the Pontiac aftermarket heads are supposed to? Even the factory SBC heads have little drain holes.
__________________
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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#7
08-25-2007, 01:54 PM
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Skip - stroking a 409 ? Im guessing your doing some mods to a '54 crank to do that ?
__________________
Two 1975 455 Grandvilles & '79 455 Trans Am ‘69 Camaro SS 396/375 (owned since ‘88) ‘22 Toyota Sequoia V8 ‘23 Lexus LS500 awd ‘95 Ford F-super duty 4wd 7.3 p-stroke & countless Jeeps & off road vehicles. 
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#8
08-25-2007, 05:51 PM
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Is that an Allen wrench sticking out of the water crossover access hole, or what. Just curious?????????
Hate to lose that down in there.
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NHRA tech. "Its just a 412, I swear it". Pontiac tip of the year, quit those damn cigarettes. 
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#9
08-26-2007, 09:58 AM
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Stroking a 409 is as easy as using a 3.76 396/427 crank pr a 4.0 454 crank and turnino the mains and counterweights down(and snout to SBC size) 409s had a 4.3125 bore and a 3.5 stroke originally. Get a 470 ci motor pretty easily. Down side even the good heads only flow around 250-270 cfm, hard to feed them just like our Ponchos.
__________________
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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#10
08-26-2007, 05:13 PM
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I'm starting a pool on how long it'll take for that side to blow a head gasket...any takers?
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Just a blind squirrel looking for a nut. |
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#11
08-26-2007, 05:31 PM
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yes its an allen... there is no gaskets under anything on that motor,,, im just sitting all the parts on and putting all the bolts in the holes. its just on for looks right now. lol
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#12
08-26-2007, 05:38 PM
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hey,,, do you guys use loctite on those allen set screws on the rockers??
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#13
08-26-2007, 06:52 PM
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Quote:
__________________
North Dakotas fastest REAL GTO 10.10 @ 131 MPH in the 1/4 Hoping to get it back together some year. www.jandjrepairandrestoration |
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#14
08-26-2007, 10:55 PM
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Quote:
1.) I had assumed he already had the bolts (save for one) torqued down. 2.) Everything else he's worked on has some degree of "afro-engineering" in it. 
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Just a blind squirrel looking for a nut. |
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#15
08-26-2007, 10:58 PM
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Quote:
__________________
Just a blind squirrel looking for a nut. |
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#16
08-26-2007, 11:46 PM
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got it,, glad i asked that question,, they came with no instructions and its my first time bolting rollers on an engine.
anything different i should do when bolting the aluminum heads to the cast block? im guessing i should re torque them a few times after running it. . thanks again! |
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#17
08-27-2007, 12:29 AM
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Why would you want aluminum heads on a boat engine ? Unless its a closed cooling system.
__________________
Two 1975 455 Grandvilles & '79 455 Trans Am ‘69 Camaro SS 396/375 (owned since ‘88) ‘22 Toyota Sequoia V8 ‘23 Lexus LS500 awd ‘95 Ford F-super duty 4wd 7.3 p-stroke & countless Jeeps & off road vehicles.
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#18
08-27-2007, 11:22 PM
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its a closed cooling system,, this boat is heading to Deep Creek Lake in 1 month!!
heres some more pictures i took today with the 2in spacer and kick out oil pan  
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#19
08-27-2007, 11:30 PM
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the carb is going to sit 15in from the deck
the cam is----- lift .490/.490 dur 300/308 |
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#20
08-28-2007, 03:10 AM
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Oops... sorry... I must have taken a wrong turn... I was looking for the "Pontiac Race" forum. 'Bye- have a nice day!
__________________
Anybody else on this planet campaign a M/T hemi Pontiac for eleven seasons? ... or has built a record breaking DOHC hemi four cylinder Pontiac? ... or has driven a couple laps of Nuerburgring with Tri-Power Pontiac power?(back in 1967) |
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