Search found 6 matches

by Spence40
Mon Dec 30, 2002 7:48 pm
Forum: General Hemi Discussion
Topic: Hemi heads
Replies: 39
Views: 63716

There was no way that any of the big three automakers would work together on engine development back in the 60's . The competition in NASCAR was fierce back then , each trying to outdo the other , with a cubic inch limit of 430 back then , the wedge motors of Ford and GM were topped by the 426 Hemi ...
by Spence40
Wed Dec 25, 2002 1:18 am
Forum: (LEGACY) 331-354-392 HEMIs
Topic: New 392 Block Market Viability
Replies: 21
Views: 13125

Retro heads

TR , I think Phillip Lofton of Early Hemi Parts .com had something posted . He and a guy from Tenn. are working on that project , they are also trying to get a crankshaft deal going . Phillip also has a repop Cragar blower manifold and many other products .
by Spence40
Mon Dec 23, 2002 11:16 pm
Forum: (LEGACY) 331-354-392 HEMIs
Topic: New 392 Block Market Viability
Replies: 21
Views: 13125

TR you are correct in the statement on retro heads for LA blocks , at the CHRR , I talked to the man himself. It is in the R&D stage right now , rockers and valve train geometries are being worked out , the heads themselves are almost identical to early hemis , 10 bolt pattern , a change in bore cen...
by Spence40
Sun Dec 22, 2002 11:49 pm
Forum: Hemi Timeslips
Topic: Timeslips
Replies: 0
Views: 3477

Timeslips

I am a member of the "Winged Express" AA/FA . At the CHRR , Mike Boyd laid down a 199.88 at 7.30 , pretty good for a tired old '92 on 80%
by Spence40
Sun Dec 22, 2002 11:25 pm
Forum: (LEGACY) 331-354-392 HEMIs
Topic: New 392 Block Market Viability
Replies: 21
Views: 13125

There are pros and cons one producing a retro block , as long as there is a supply of cores even as high priced as they have become , people will build them . The price would have to be worthwhile as a direct copy has its shortcomings , weak main webs , thin cylinder walls . Most racers have switche...
by Spence40
Sun Dec 22, 2002 11:10 pm
Forum: (LEGACY) 331-354-392 HEMIs
Topic: Hemi Industrial Engines
Replies: 4
Views: 3178

Industrial heads

Several problems arise when using Ind. heads , the valves are small and usually they used large stems for sodium cooled stems , this can be redone to use performance guides and valves . The center port in the head is NOT a heat riser passage but an extra cooling passage , most passenger and aftermar...