hsr and 1205
07-07-2009, 09:06 PM
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Car: 92 rs
Engine: 355 stealth ram, dart heads, S480
Transmission: 4L80E
Axle/Gears: 3.42
hsr and 1205
anyone had trouble with the felpro 1205 blowing out when used with the stealth ram?... I just had my first experience and it cost me my engine...back passenger side water passage blew out and was shooting water right down the distributor hole on the valley....at least i caught it before the engine spun a bearing... time for a rebuild
07-11-2009, 11:41 PM
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Car: 86 Monte SS (730,$8D,G3,AP,4K,S_V4)
Engine: 406 Hyd Roller 236/242
Transmission: 700R4 HomeBrew, 2.4K stall
Axle/Gears: 3:73 Posi, 7.5 Soon to break
Re: hsr and 1205
Haven't had any blow out but have had them creep out from under the manifold. Pretty sure it was a combination of iron heads and aluminum manifold, uneven torque and maybe even beating on it a bit when it wasn't warmed up fully. Puts allot of heat into it quick and with different expansion rates, it may have pushed them out. Hasn't happened since (Now that I take my time when re-installing it)
07-12-2009, 03:36 AM
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Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: hsr and 1205
No probs here.HSR /1205 / TFS heads.
Did you put sealer on the head / intake faces around the coolant ports before installing?
Mine stick so well in those areas I destroy the gasket taking the intake off.
Did you put sealer on the head / intake faces around the coolant ports before installing?
Mine stick so well in those areas I destroy the gasket taking the intake off.
07-12-2009, 07:16 AM
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Car: 92 rs
Engine: 355 stealth ram, dart heads, S480
Transmission: 4L80E
Axle/Gears: 3.42
Re: hsr and 1205
yeah i had sealant around the passages.....and i agree usually you destroy those takin them off...
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