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Get u some felpro 1400's from summit and use bolts. I have never used studs so I really cant say if they would work better or not. I have never had a problem with bolts in 14 years of playing with these cars.
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87GN GT6776bb, stock bottom end, stock heads/intake, 206/206 roller, 60# inj, PTE SLIC, Tranny by B. Hofer, PTC 10" 2800 Conv, Turbotweak, 93 octane & Alkycontrol 11.20@118 mph 1.71 sixty foot(leaving at 0 boost) |
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From what I understand you can't remove the heads in the car if you have studs in, so I am gonna say go with bolts
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Will www.texasstreetcars.com site owner 1987 GN 4.1L - 6776 turbo - Precision IC - SMC Alky - 3k stall - 21.008 @ 41.0 mph
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i can vouch for that boost, when we dropped my engine in there last weekend, man was it tight. im talking like 1/2 inch of clearence between the ac box and the back AND middle header studs. i had arp send me some longer studs for the top so thats why there isnt much room in there.good thing that i put in the solid copper gaskets, they shouldnt blow out. im thinking if i ever have to replace the gaskets/ headers ill have to mount another nut on the stud and pull the stud out. or undo all the mounts and lift the engine up.
oh i see now, i think vortech is talking about HEAD studs, im talking bout HEADER studs buickbert
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87 gn w/ rare arizona wh-sun paint job! ![]() 72 skylark "350" 462BBB, th400 with too much other $hit to list
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lmao sorry guys I can't read
yeah I thought he typed head studs...That's what I get for trying to type today. I went to work @ 4 am and have been retarded since ![]()
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Will www.texasstreetcars.com site owner 1987 GN 4.1L - 6776 turbo - Precision IC - SMC Alky - 3k stall - 21.008 @ 41.0 mph
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thanks, i guess ill stick to header bolts.... everyone seems to be runnig these... another question, what header gaskets are you guys running?? i just purchased a SCE Copper gasket, but i went to RJC web site and was reading about there header gaskets, and they seem to be Hell of Good.... has any one ran this SCE Gasket on there car????? thanks.....
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i have the sce copper gaskets on my new motor so i havent tried them out on the gn, but i also have some on my big block skylark with no problems. i burned through two set of the "grape" before i got the copper ones and like i said no problems.
boost, yup those are the same ones that i put on my car. im not too familiar with the hot air headers but like i said the headers for my 87 require longer studs for the tops. the ones that i got are way too long but they will work fine. lemme see if i have a pic that i can post showing how long they are. buickbert
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87 gn w/ rare arizona wh-sun paint job! ![]() 72 skylark "350" 462BBB, th400 with too much other $hit to list
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i use studs on my gn1 heads with the 1400 gaskets. no leaks ever. thats with atr headers.
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9.68 @ 139.93, 1.43 60' Real street car, t-roof, 3600lb race weight, all working options. 200r4, stock block, crank, rods, driveshaft, posi... no cage yet ![]() 10.23 @ 133, 1.521 60' Pure pump gas(no alky) ultra 94. mt et streets New toy, bone stock t-top all original 87 g/n 27,000 original km 13.9
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